Cisco Systems Network Card OL 7861 01 User Manual

Cisco XR 12000 Series Router  
Ethernet Line Card Installation  
August 1, 2005  
Document Part Number: OL-7861-01  
This guide contains instructions for installing Ethernet line cards in supported Cisco XR 12000 Series  
Routers. Also included are basic troubleshooting techniques to help in line card installation.  
Contents  
This installation guide includes the following sections:  
Obtaining Technical Assistance, page Boilerplate 1  
Obtaining Additional Publications and Information, page Boilerplate  
Co rp o ra t e He a d q u a rt e rs :  
Cis c o S ys t e m s , In c ., 1 7 0 We s t Ta s m a n Drive , S a n J o s e , CA 9 5 1 3 4 -1 7 0 6 US A  
Copyright © 2005 Cisco System s, Inc. All rights reserved.  
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Important Information  
Note  
Note  
The Cisco XR 12000 Series Routers must have a full set of switch fabric cards installed to support the  
requirements of the Ethernet line cards. See the appropriate Cisco 12000 Series Router installation  
guide for information about the switch fabric and other related requirements.  
Because the 10-Port 1-Gigabit Ethernet, 1-Port 10-Gigabit Ethernet, and Modular Gigabit Ethernet line  
cards require a card cage slot that is 1.8 inches (4.5 centimeters) wide, you can use these line cards in  
only the Cisco 12416 Router, Cisco 12410 Router, Cisco 12406 Router, Cisco 12404 Router, Cisco  
12816 Router, and Cisco 12810 Router.  
Cisco IOS Software Release and Hardware Revision Requirements  
The Ethernet line cards have certain Cisco IOS software requirements. Also, to ensure compatibility with  
the software, your Ethernet line card should have a specific hardware revision number. The number is  
printed on a label affixed to the component side of the card and is displayed by the show diag command.  
Table 3 lists the hardware and software requirements for Ethernet line cards.  
Table 3  
Ethernet Line Card and Cisco IOS Release and Hardware Version Com patibility  
Line Card  
Required  
Ethernet Line Card Part Number  
Minimum IOS Software Release  
Hardware Version  
4-Port Gigabit  
Ethernet ISE  
4GE-SFP-LC=  
10X1GE-LC=  
10X1GE-LC-B=  
Cisco IOS Release 12.0(25)S or later  
73-8517-03, revision A0 or later  
10-Port 1-Gigabit  
Ethernet  
12.0(19)S or later release of 12.0S; or 12.0(19)ST or 73-5479-06 or later  
later release of 12.0ST  
12.0(21)S or later release of 12.0S; or 12.0(21)ST or 73-7673-02 or later  
later release of 12.0ST  
1-Port 10-Gigabit  
Ethernet  
1X10GE-LR-SC=  
(LR laser optical  
transceiver)  
12.0(23)S, or later, release of 12.0S1  
73-7182-01 or later  
1X10GE-ER-SC=  
(ER laser optical  
transceiver)  
12.0(23)S, or later release of 12.0S  
73-7182-01 or later  
1. Cisco IOS Release 12.0(22)S does not support the 1X10GE-LR-SC Ethernet line cards.  
The show diag slot_number, show version, and show hardware commands display the current  
hardware configuration of the router, including the system software version that is currently loaded and  
running, and the hardware revision number. For complete descriptions of show commands, refer to the  
Cisco IOS Configuration Fundamentals Configuration Guide and the Cisco IOS Configuration  
Fundamentals Command Reference for the installed Cisco IOS release.  
If the command displays indicate that the Cisco IOS software is a version earlier than you need, check  
the contents of flash memory to determine if the required images are available on your system. The dir  
devicename command displays a list of all files stored in flash memory. If you do not have the correct  
software version, contact Cisco customer service.  
For software configuration information, refer to the Cisco IOS software configuration and command  
reference publications for the installed Cisco IOS release. Also refer to the Cisco IOS software release  
notes for additional information.  
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Product Overviews  
Memory Options  
Ethernet line card memory options vary by line card. See “Line Card Memory” section on page 64 for  
more information.  
Related Documentation  
This publication describes the basic installation of a Ethernet line card. For complete configuration  
information, refer to the following publications:  
Cisco IOS XR Interface and Hardware Component Configuration Guide, Release 3.2  
Cisco IOS XR Interface and Hardware Component Command Reference, Release 3.2  
Cisco IOS XR Release 3.2 Release Notes for Cisco XR 12000 Series Routers  
Regulatory Compliance and Safety Information for Cisco XR 12000 Series Routers  
See the “Obtaining Documentation” section on page Boilerplate 1 for information on how to obtain these  
publications.  
Product Overviews  
The following sections provide information about the Ethernet line card products:  
Ethernet Line Card Comparison  
Table 4 provides comparative information about Ethernet line cards. The first Ethernet line card has a  
Fast Ethernet interface and the others have a Gigabit Ethernet interface.  
Table 4  
Ethernet Line Card Hardware Com parison  
Line Card  
GBIC  
SFP  
Insertable EPA  
Ethernet Line Card Part Number  
Ports Pluggable Pluggable Daughter Card Cable and Connector  
4-Port Gigabit  
Ethernet ISE  
4GE-SFP-LC=  
4
X
X
X
Single-mode or multimode fiber  
with LC connectors (depends on  
SFP)  
10-Port 1-Gigabit  
Ethernet  
10X1GE-SFP-LC=  
10X1GE-SFP-LC-B=  
10  
10  
Single-mode or multimode fiber  
with LC connectors (depends on  
SFP)  
Single-mode or multimode fiber  
with LC connectors (depends on  
SFP)  
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Product Overviews  
Table 4  
Ethernet Line Card Hardware Com parison (continued)  
Line Card  
GBIC  
SFP  
Insertable EPA  
Ethernet Line Card Part Number  
Ports Pluggable Pluggable Daughter Card Cable and Connector  
1-Port 10-Gigabit  
Ethernet  
1X10GE-LR-SC=  
(LR laser optical  
transceiver)  
1
1
Single-mode fiber with SC  
connectors  
1X10GE-ER-SC=  
(ER laser optical  
transceiver)  
Single-mode fiber with SC  
connectors  
Caution  
To prevent system problems, do not use Gigabit Interface Converters (GBICs) from third-party vendors.  
Use only the GBIC that shipped with your Ethernet line card. The GBIC might contain an internal  
EPROM that identifies it to the Cisco IOS software.  
Caution  
Only use small form-factor pluggable modules (SFPs) supplied by Cisco in Cisco XR 12000 Series  
Routers. Each SFP module contains an internal serial number that is security programmed by the SFP  
module manufacturer with information that provides a way for Cisco (through the Cisco IOS software)  
to identify and validate the SFP module as a module type that is qualified by Cisco to operate with  
Gigabit Ethernet line cards. Unapproved SFP modules (those not purchased directly from Cisco) do not  
work.  
4-Port Gigabit Ethernet ISE Line Card  
The 4-Port Gigabit Ethernet ISE line card provides Cisco XR 12000 Series Routers with four optical  
Gigabit Ethernet interfaces on a single line card, using field replaceable SFP modules. The line card  
provides high-speed connections to other network devices, such as another Cisco XR 12000 Series  
Router, other routers, or layer-2 and layer-3 switches that support Gigabit Ethernet interfaces. The 4-Port  
Gigabit Ethernet line card throughput is limited to 4 million packets per second (4 Mpps) at 64 bytes, so  
all four ports cannot run at line rate.  
Figure 1 shows the front view of the 4-Port Gigabit Ethernet ISE line card.  
Figure 1  
4-Port Gigabit Ethernet ISE Line Card  
1
3
CLASS  
LASERPRODUKT DER KLASSE  
PRODUIT LASER DE CLASSE  
1
LASER PRODUCT  
1
CLEAN  
1
CONNECTOR  
WITH ALCOHOL  
WIPES BEFORE  
CONNECTING  
PRODUCTO LASER DE CLASE  
1
4GE-SFP-LC  
4
2
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Product Overviews  
1
2
Ejector lever (one at each end) 3 Alphanumeric LEDs  
Status LEDs (one set per port) Port (provided by SFP module)  
4
Table 5 summarizes the optics and connectors used by the 4-Port Gigabit Ethernet ISE line card.  
Table 5  
4-Port Gigabit Ethernet ISE Line Card Optics and Connector Types  
Part Number  
Optics/Transmission  
Maximum Distance  
Connector Type  
4GE-SFP-LC  
LC  
The 4-Port Gigabit Ethernet ISE line card ships with 256 MB of route memory and 512 MB of packet  
memory. Route memory is field serviceable. For more information on memory, see the “Line Card  
10-Port 1-Gigabit Ethernet Line Card  
The 10-Port 1-Gigabit Ethernet line card, which is designed for high-density and server-aggregation  
applications, provides the Cisco 12400 and 12800 Routers with 10 optical 802.3 Gigabit Ethernet  
interfaces on a single line card. These interfaces provide high-speed connections to other network  
devices, such as another Cisco 12000 Series Router, other routers, or layer-2 or layer-3 switches that  
support Gigabit Ethernet interfaces. Figure 2 shows a front view of the line card.  
The 10 ports on the front panel of the line card are numbered 0 through 9, from the top of the card to the  
bottom. Each port consists of a receptacle for a field-replaceable SFP laser optical transceiver module,  
which is inserted into the receptacle to provide the Gigabit Ethernet optical interface.  
Next to each port on the line card are three green LEDs, aligned vertically and labeled from top to bottom  
as follows: LINK, ACTIVE, and RX FRAME.  
Note  
The 10X1GE-SFP-LC-B version of this card is not shown. The 10X1GE-SFP-LC-B model  
of the 10-Port 1-Gigabit Ethernet line card is enhanced with minor hardware features that  
are not available with the original design.  
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Product Overviews  
Figure 2  
10-Port 1-Gigabit Ethernet Line Card  
0
1
2
3
4
5
6
7
8
9
10X1GE-SFP-LC  
3
0
1
2
1
SFP module receptacle  
2
Port status LEDs  
3
Alphanumeric LEDs  
Table 6 summarizes the optics and connectors used by the 10-Port 1-Gigabit Ethernet line card.  
Table 6  
10-Port 1-Gigabit Ethernet Line Card Optics and Connector Types  
Part Number  
Optics/Transmission  
Maximum Distance  
Connector Type  
10X1GE-SFP-LC,  
LC  
10X1GE-SFP-LC-B  
The 10-Port 1-Gigabit Ethernet line card ships with the following memory configurations installed:  
256 MB of route processor memory (Product Number MEM-LC4-256)  
512 MB of packet memory (Product Number MEM-LC4-PKT-512)—256 MB in both the receive  
and transmit directions  
Line card memory on Engine 4 line cards (packet and route memory) is not field replaceable. For more  
information on memory, see the “Line Card Memory” section on page 64.  
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Preparing for Installation  
1-Port 10-Gigabit Ethernet Line Card  
The 1-Port 10-Gigabit Ethernet line card provides the supported Cisco XR 12000 Series Routers with  
one optical 802.3ae 10-Gigabit Ethernet interface. This interface provides a high-speed connection to  
other network devices, such as Cisco XR 12000 Series Routers, or to other routers or layer-2 or layer-3  
switches that support 10-Gigabit Ethernet interfaces. Figure 3 shows the front view of the line card.  
The port on the front panel of the line card is port number 0. This port uses a hardwired laser optical  
transceiver to provide a 10-Gigabit Ethernet optical interface. The transceiver consists of two optical  
interfaces—laser transmit (TX) and laser receive (RX)—that use SC connectors.  
Next to the port on the line card are three green LEDs, aligned vertically and labeled from top to bottom  
as follows: LINK, ACTIVE, and RX FRAME.  
Figure 3  
1-Port 10-Gigabit Ethernet Line Card  
LINK  
ACTIVE  
RX FRAME  
TX  
RX  
1X10GE-LR-SC  
1
2
3
4
5
6
1
2
Ejector lever  
TX port  
3
4
RX port  
Status LEDs  
5
6
Alphanumeric LEDs  
Ejector lever  
Table 7 summarizes the optics and connectors used by the 1-Port 10-Gigabit Ethernet line card.  
Table 7  
1-Port 10-Gigabit Ethernet Line Card Optics and Connector Types  
Part Number  
Optics/Transmission  
Maximum Distance  
Connector Type  
1X10GE-LR-SC  
1550 nm (send),  
20 km  
SC  
1300 nm-1570 nm (receive)  
1X10GE-ER-SC  
1550 nm (send),  
75 km  
SC  
1300 nm-1570 nm (receive)  
For more information, refer to the “10-Gigabit Ethernet” section on page 49 and the “Cabling and  
The 1-Port 10-Gigabit Ethernet line card ships with 256 MB of route processor memory and 512 MB of  
packet memory. The memory in the 1-Port 10-Gigabit Ethernet line card is not field replaceable. For  
more information on memory, see the “Line Card Memory” section on page 64.  
Preparing for Installation  
The following sections provide information about preparing to install line cards:  
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Preparing for Installation  
Safety Guidelines  
Before you perform any procedure in this publication, review the safety guidelines in this section to  
avoid injuring yourself or damaging the equipment.  
The following guidelines are for your safety and to protect equipment. The guidelines do not include all  
hazards. Be alert.  
Note  
Review the safety warnings listed in the Regulatory Compliance and Safety Information for  
Cisco 12000 Series Internet Router publication (Document Number 78-4347-xx) that accompanied your  
router before installing, configuring, or maintaining a line card.  
Keep the work area clear and dust free during and after installation. Do not allow dirt or debris to  
enter into any laser-based components.  
Do not wear loose clothing, jewelry, or other items that could get caught in the router while working  
with line cards.  
Cisco equipment operates safely when it is used in accordance with its specifications and product  
usage instructions.  
Before working with laser optics, read the “Laser Safety” section on page 81.  
Preventing Electrostatic Discharge  
Electrostatic discharge (ESD) damage, which can occur when electronic cards or components are  
improperly handled, results in complete or intermittent failures. Electromagnetic interference (EMI)  
shielding is an integral component of the line card. Cisco recommends using an ESD-preventive strap  
whenever you are handling network equipment or one of its components.  
The following are guidelines for preventing ESD damage:  
Always use an ESD-preventive wrist or ankle strap and ensure that it makes good skin contact.  
Connect the equipment end of the connection cord to an ESD connection socket on the router or to  
bare metal on the chassis.  
Handle Ethernet line cards by the captive installation screws, the provided handle, ejector levers, or  
the line card metal carrier only; avoid touching the board or connector pins.  
Place removed Ethernet line cards board-side-up on an antistatic surface or in a static shielding bag.  
If you plan to return the component to the factory, immediately place it in a static shielding bag.  
Avoid contact between the Ethernet line cards and clothing. The wrist strap only protects the board  
from ESD voltages on the body; ESD voltages on clothing can still cause damage.  
Warning  
For safety, periodically check the resistance value of the ESD strap. The measurement should be  
between 1 and 10 megohms.  
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Removing and Installing a Line Card  
Required Tools and Equipment  
You need the following tools and parts to remove and install Ethernet line cards:  
Flat-blade or Phillips screwdriver  
ESD-preventive wrist or ankle strap and instructions  
Interface cables to connect the Ethernet line card with another router or switch  
Any EPAs, GBICs, SFP modules, or memory you need to install (and are not already installed)  
Note  
If you need additional equipment, see Cisco.com or your service representative for ordering information.  
Refer to the individual line card descriptions in the “Product Overviews” section on page 4 for more  
information. Table 4 on page 4 summarized the hardware requirements for each Ethernet line card.  
Removing and Installing a Line Card  
The following sections provide procedures for removing or installing a line card:  
Note  
Note  
card while power to the router is on.  
The procedures in the following sections use illustrations of a Cisco 12012 Internet Router to support  
the descriptions of removing and installing line cards. Although the card cages of the Cisco 12000 Series  
Routers differ in the number of card slots, the designated use of slots and the process of removing and  
installing a line card are basically the same. Therefore, separate procedures and illustrations for other  
Cisco routers are not included in this publication.  
Guidelines for Line Card Removal and Installation  
Guidelines for line card removal and installation include the following:  
Online insertion and removal (OIR) is supported, enabling you to remove and install line cards while  
the router is operating. OIR is seamless to users on the network, maintains all routing information,  
and ensures session preservation.  
Note  
With OIR, notifying the software or resetting the power is not required. However, you have the  
option of using the shutdown command before removing a line card.  
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Removing and Installing a Line Card  
After you reinstall a line card, the router automatically downloads the necessary software from the  
route processor (RP). Next, the router brings online only those interfaces that match the current  
configuration and were previously configured as administratively up. You must configure all others  
with the configure command.  
Caution  
The router may indicate a hardware failure if you do not follow proper procedures. Remove  
or insert only one line card at a time. Allow at least 15 seconds for the router to complete the  
preceding tasks before removing or inserting another line card.  
After removing and inserting a line card into the same slot, allow at least 60 seconds before  
removing or inserting another line card.  
Line cards have two ejector levers to release the card from its backplane connector. Use the levers  
when you are removing the line card and to seat the line card firmly in its backplane connector when  
you are installing the line card. The ejector levers align and seat the card connectors in the  
backplane.  
Caution  
When you remove a line card, always use the ejector levers to ensure that the connector pins  
disconnect from the backplane in the sequence expected by the router. Any card that is only  
partially connected to the backplane can halt the router.  
When you install a line card, always use the ejector levers to ensure that the card is correctly  
aligned with the backplane connector; the connector pins should make contact with the  
backplane in the correct order, indicating that the card is fully seated in the backplane. If a  
card is only partially seated in the backplane, the router will hang and subsequently crash.  
Removing a Line Card  
If you are replacing a failed line card, remove the existing line card first, then install the new line card  
in the same slot. To remove a line card, use Figure 4 as a reference and follow these steps:  
Step 1  
Step 2  
Attach an ESD-preventive wrist or ankle strap and follow its instructions for use.  
Disconnect and remove all interface cables from the ports; note the current connections of the cables to  
the ports on the line card.  
Step 3  
Step 4  
Detach the line card cable-management bracket from the line card.  
Use a screwdriver to loosen the captive screw at each end of the line card faceplate. (See Figure 4a.)  
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Removing and Installing a Line Card  
Figure 4  
Line Card Rem oval and Installation  
a
Loosen  
captive  
screws  
I
I
L  
0
1
3
b
Pivot ejector  
levers away  
from card to  
unseat card  
A
CTIVE  
CARRIER  
RX PKT  
I
LRAM1  
I
A
CTIVE  
LRAM2  
CARRIER  
RX PKT  
GBAIT  
UPTCESOR  
O1C2/STM-4A  
QC3/TM-POS  
C21/TM-4POS  
A
CTIVE  
CARRIER  
RX PKT  
T
M
LARM  
Line card  
QC3/TM-POS  
c
Grasp card carrier to  
slide card out of slot  
Caution  
Step 5  
When you remove a line card, always use the ejector levers to ensure that the line card connector pins  
disconnect from the backplane in the logical sequence expected by the router. Any line card that is only  
partially connected to the backplane can halt the router.  
Simultaneously pivot the ejector levers away from each other to release the line card from the backplane  
connector. (See Figure 4b.)  
Step 6  
Step 7  
Grasp the ejector levers and pull the line card halfway out of the slot.  
Grasp the line card and gently pull it straight out of the slot, keeping your other hand under the line card  
to guide it. (See Figure 4c.) Avoid touching the line card printed circuit board, components, or any  
connector pins.  
Step 8  
Step 9  
Place the removed line card on an antistatic mat, or immediately place it in an antistatic bag if you plan  
to return it to the factory.  
If the line card slot is to remain empty, install a line card blank (Product Number MAS-GSR-BLANK)  
to keep dust out of the chassis and to maintain proper airflow through the line card compartment. Secure  
the line card blank to the chassis by tightening its captive screws.  
Caution  
Note  
Be careful not to damage or disturb the EMI spring fingers located on the front edge of the card face  
plate.  
Always insert a dust plug in an optical port opening for each port that is not in use.  
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Removing and Installing a Line Card  
For information on disconnecting interface cables, see the “Removing and Installing Fiber-Optic  
For information on removing the cable-management bracket, see the “Removing a Line Card  
Installing a Line Card  
A line card slides into almost any available line card slot and connects directly to the backplane. If you  
install a new line card, you must first remove the line card blank from the available slot.  
Note  
Refer to the installation and configuration guide for your router for information on line card slot types,  
slot width, and slot location.  
Caution  
The router may indicate a hardware failure if you do not follow proper procedures. Remove or insert  
only one line card at a time. Allow at least 15 seconds for the router to complete the preceding tasks  
before removing or inserting another line card.  
To install a line card, follow these steps:  
Step 1  
Step 2  
Attach an ESD-preventive wrist or ankle strap and follow its instructions for use.  
Choose an available line card slot for the line card, and verify that the line card interface cable is long  
enough for you to connect the line card with any external equipment.  
Caution  
Step 3  
To prevent ESD damage, handle line cards by the captive installation screws, the provided handle,  
ejector levers, or the card carrier edges only. Do not touch any of the electrical components or circuitry.  
Grasp the faceplate (or handle) of the line card with one hand and place your other hand under the card  
carrier to support the weight of the card; position the card for insertion into the card cage slot. Avoid  
touching the line card printed circuit board, components, or any connector pins.  
Step 4  
Carefully slide the line card into the slot until the ejector levers make contact with the edges of the card  
cage, then stop when the ejector lever hooks catch the lip of the card cage. If they do not catch, try  
reinserting the line card until the ejector lever hooks are fully latched. (See Figure 5.)  
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Removing and Installing a Line Card  
Figure 5  
Ejector Levers  
When inserting a card, make  
sure the ejector lever hooks  
catch the lip of the card cage.  
Caution  
When you install a line card, always use the ejector levers to ensure that the card is correctly aligned  
with the backplane connector, the card connector pins make contact with the backplane in the correct  
order, and the card is fully seated in the backplane. A card that is only partially seated in the backplane  
can cause the router to hang and subsequently crash.  
Step 5  
Step 6  
Simultaneously pivot both ejector levers toward each other until they are perpendicular to the line card  
faceplate. This action firmly seats the card in the backplane.  
Use a 3/16-inch flat-blade screwdriver to tighten the captive screw on each end of the line card faceplate  
to ensure proper EMI shielding and to prevent the line card from becoming partially dislodged from the  
backplane.  
Caution  
To ensure adequate space for additional line cards, always tighten the captive installation screws on each  
newly installed line card before you insert any additional line cards. These screws also prevent accidental  
removal and provide proper grounding and EMI shielding for the router.  
Step 7  
Step 8  
Step 9  
Install the cable-management bracket.  
Install GBIC or SFP modules, and EPA daughter cards, in the line cards that use them.  
Install the interface cables.  
For information on installing cable-management brackets, see the “Installing a Line Card  
For information on installing EPAs, see the “Removing and Installing EPAs” section on page 15.  
For information on installing GBICs, see the “Removing and Installing GBICs” section on page 22.  
For information on installing SFP modules, see the “Removing and Installing SFP Modules” section on  
For information on installing interface cables, see the “Removing and Installing Fiber-Optic Interface  
For information on verifying and troubleshooting the hardware installation, see the Verifying and  
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Removing and Installing EPAs  
Removing and Installing EPAs  
The Modular Gigabit Ethernet line card ships with 0, 1, 2, or 3 EPAs installed. If you need to add or  
change an EPA, follow the procedures in these sections:  
Figure 6 shows an exploded mechanical view of a Gigabit Ethernet EPA with three line card SFP  
receptacles, an SFP module, and a duplex LC-type cable.  
Figure 6  
Rem oving and Replacing EPAs  
EPA-3GE/SX/LH-LC  
R
X
P
K
T
L
I
N
K
A
C
T
I
V
E
EPA-3GE-LC  
R
X
P
K
T
A-1  
L
I
N
K
A-0  
P
A-2  
P
P
A
C
T
I
V
E
A ID  
Removing an EPA from the Modular Gigabit Ethernet Line Card  
You can remove an EPA from the Modular Gigabit Ethernet line card with or without the SFP modules  
installed.  
To remove an EPA from your Modular Gigabit Ethernet line card, use Figure 7 on page 16 as a reference  
and follow these steps:  
Step 1  
Step 2  
Attach an ESD-preventive wrist or ankle strap and follow its directions for use.  
Disconnect the LC-type fiber-optic cable connector from the SFP module.  
Note which cable connector plug is TX and which is RX for reattachment.  
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Removing and Installing EPAs  
Step 3  
Step 4  
Insert a dust plug into the optical ports of the SFP module to keep the optical interfaces clean.  
Remove the Modular Gigabit Ethernet line card from the chassis, as described in the “Removing a Line  
Card” section on page 11, and place the line card on a clean, flat surface.  
Step 5  
Step 6  
Step 7  
Use a Phillips screwdriver to loosen and unscrew the two screws that connect the EPA to the line card,  
located on the faceplate of the line card, as shown in Figure 7A.  
Use a Phillips screwdriver to loosen and unscrew the one screw that connects the EPA to the inside of  
the line card, as shown in Figure 7B.  
Gently lift up on one corner of the EPA to disconnect the EPA from the line card, as shown in  
Caution  
Caution  
To prevent ESD damage, handle EPAs by the card carrier edges only.  
Avoid touching the EPA printed circuit board, components, or any connector pins.  
Figure 7  
Rem oving an EPA  
B
PUSH  
CORNERS  
TO  
INST  
ALL  
C
LIFT  
HERE  
TO  
REMO  
VE  
A
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Removing and Installing EPAs  
If the EPA bay is to remain empty, install an EPA blank (Product Number MAS-EPA-BLANK=) to keep  
dust out of the line card and to maintain proper airflow and EMI through the line card and chassis.  
Inserting an EPA into a Modular Gigabit Ethernet Line Card  
To insert an EPA into the Modular Gigabit Ethernet line card, follow these steps:  
Warning  
Step 1  
You must use an ESD-preventive wrist or ankle strap to do this procedure. Attach an ESD-preventive  
wrist or ankle strap and follow its directions for use, before you do this procedure.  
First, read the yellow caution label on the EPA. Figure 8 shows a sample of this caution label.  
Figure 8  
Locations of Labels and Reference Points on the EPA  
ATTENTION:  
USE CARE DURING INSTALLATION OF EPA CARD,  
MIS-ALIGNMENT CAN CAUSE DAMAGE TO THE  
CONNECTOR AT THE UNDERSIDE REAR OF THE PCB.  
DO NOT APPLY EXCESSIVE FORCE TO THE FRONT  
PANEL OR TOP SURFACE DURING INSTALLATION OR  
DAMAGE CAN OCCUR TO THE PCB CONNECTOR.  
Caution  
The connectors must be engaged without any angular misalignment. Engaging the connectors at an angle  
will cause damage to the connectors.  
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Removing and Installing EPAs  
Step 2  
Ensure that the connector guide pins are aligned, and mate the connector of the EPA to the connector on  
the line card, as shown in Figure 9 and Figure 10. Figure 10 shows two side views of the EPA and line  
card.  
Figure 9  
Mating the Connector of the EPA to the Line Card  
PUSH  
CORNERS  
TO  
INST  
ALL  
PUSH  
CORNERS  
TO  
INST  
ALL  
Figure 10  
Side View s - Mating the Connector of the EPA to the Line Card  
20 Max  
4
Max  
˚
˚
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Removing and Installing EPAs  
Step 3  
Ensure that the connector guide pins are aligned. Once the connector is engaged, apply gentle pressure  
with your thumbs to the two rear outer corners of the EPA, as shown in Figure 11 and Figure 12.  
Figure 11  
Press on the Rear Outer Corners of the EPA  
PUSH  
CORNERS  
TO  
INST  
ALL  
PUSH  
CORNERS  
TO  
INST  
ALL  
Figure 12  
Rear Outer Corners of the EPA (Close-up)  
PUSH  
BOTH  
PUSH  
BOTH  
CORNERS  
TO  
CORNERS  
TO  
INSTALL  
INSTALL  
PUSH  
BO  
CORNERS  
TH  
INST TO  
ALL  
PUSH  
BO  
CORNERS  
TH  
INST TO  
ALL  
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Removing and Installing EPAs  
Step 4  
Press gently on the white labels in middle of the outer edge of the EPA as shown in Figure 13 to ensure  
that the connector is fully seated.  
Figure 13  
Press on the White Labels on the EPA  
PUSH  
CORNERS  
TO  
INST  
ALL  
PUSH  
CORNERS  
TO  
INST  
ALL  
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Removing and Installing EPAs  
Step 5  
Use a Phillips screwdriver to insert and tighten the screw on the EPA, 3 to 5 in-lbs, as shown in Figure 14.  
Apply no more than 5 in-lbs of torque when tightening the screw.  
Caution  
Figure 14  
Inserting and Tightening the Screw on the EPA  
PUSH  
CORNERS  
TO  
INST  
ALL  
PUSH  
CORNERS  
TO  
INST  
ALL  
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Removing and Installing GBICs  
Step 6  
Use a Phillips screwdriver to insert and tighten the two screws on the faceplate of the line card,  
3 to 5 in-lbs, as shown in Figure 15.  
Caution  
Apply no more than 5 in-lbs of torque when tightening the screw.  
Figure 15  
Inserting the 2 screw s on the Faceplate of the Line Card  
PUSH  
CORNERS  
TO  
INST  
ALL  
PUSH  
CORNERS  
TO  
INST  
ALL  
Removing and Installing GBICs  
Your Ethernet line card may have shipped with a GBIC installed. If your line card arrived without the  
GBIC installed and you need to install it now, or if you need to change your GBIC for another reason,  
use the procedures in these sections:  
Before you remove or install a GBIC, read the installation information in this section and the “Laser  
Note  
Cisco strongly recommends that you disconnect all fiber-optic cables before removing or installing a  
GBIC.  
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Removing and Installing GBICs  
Caution  
To prevent system problems, do not use GBICs from third-party vendors. Use only the GBIC that  
shipped with your Gigabit Ethernet line card. These GBICs might contain an internal EPROM that  
identifies them to the Cisco IOS software.  
Caution  
Note  
To prevent problems associated with data transmission, you must attach this device only to  
IEEE 802.3x-compliant devices.  
The Ethernet line card supports online insertion and removal (OIR) of GBICs. This means that you can  
remove and replace GBICs while the system remains powered up. When you remove a GBIC, the  
interface becomes inactive because a GBIC is not detected in the GBIC receptacle.  
General GBIC Handling and Maintenance Guidelines  
Follow these GBIC handling and maintenance guidelines:  
GBICs are static sensitive. To prevent ESD damage, follow the guidelines described in the  
GBICs are dust sensitive. When the GBIC is stored or when a fiber-optic cable is not plugged into  
one of the optical ports on the GBIC, always insert an optical port dust plug.  
Keep the optical port clean. The most common source of contamination in the optical ports is debris  
that collects on the ferrules of the optical cable connectors. Use an alcohol swab or Kim-Wipe to  
clean the ferrules of the cable connector before inserting it into the GBIC.  
Removing the GBIC from an Ethernet Line Card  
To remove the GBIC from an Ethernet line card, follow these steps:  
Step 1  
Disconnect the SC-type fiber-optic cables from the GBIC. Note which plug is TX and which plug is RX  
for reattachment.  
Step 2  
Step 3  
Attach an ESD wrist or ankle strap and follow its directions for use.  
Locate the tabs on either side of the exposed portion of the GBIC and squeeze them with your thumb  
and forefinger, as you gently pull the GBIC out of the GBIC slot. (See arrows in Figure 16.)  
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Removing and Installing GBICs  
Figure 16  
Rem oving and Replacing a GBIC  
3
1
Locking tab  
2
Locking tab  
3
Alignment groove  
Inserting a GBIC into the Gigabit Ethernet Interface  
To insert a GBIC into the Gigabit Ethernet interface, follow these steps:  
Step 1  
Step 2  
Attach an ESD wrist or ankle strap and follow its directions for use.  
Locate the alignment groove on the GBIC. (See the enlargement in Figure 16 on page 24.) Position the  
GBIC so that this groove is in the position shown in the enlargement to ensure that the 20-pin plug on  
the GBIC is in the correct position.  
Caution  
Step 3  
To prevent damage to the GBIC plug and receptacle before you insert the GBIC into the GBIC slot on  
the Gigabit Ethernet interface, ensure that the plug and alignment groove are matched.  
Squeeze the tabs on each side of the GBIC using your thumb and forefinger, and insert the GBIC into  
the GBIC slot on the Gigabit Ethernet interface. (See Figure 16 on page 24.)  
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Step 4  
Step 5  
Using moderate force, ensure that the GBIC is fully inserted into the 20-pin receptacle at the rear of the  
GBIC slot. The tabs on either side of the GBIC will snap into place when you have completely and  
properly inserted the GBIC.  
Reattach the SC-type fiber-optic cable to the GBIC.  
Removing and Installing SFP Modules  
Before you remove or install an SFP module, read the installation information in this section and the  
Caution  
Protect the SFP modules by inserting clean dust covers into them after the cables are removed. Be sure  
to clean the optic surfaces of the fiber cables before you plug them back into the optical ports of another  
SFP module. Avoid getting dust and other contaminants into the optical ports of your SFP modules,  
because the optics will not work correctly when obstructed with dust.  
Caution  
It is strongly recommended that you do not install or remove the SFP module with fiber-optic cables  
attached to it because of the potential of damaging the cable, the cable connector, or the optical interfaces  
in the SFP module. Disconnect all cables before removing or installing an SFP module.  
Removing and inserting an SFP module can shorten its useful life, so you should not remove and insert  
SFP modules any more often than is absolutely necessary.  
SFP modules use one of four different latching devices to install and remove the module from a port.  
The four types of SFP module latching devices are described in the following sections:  
Bale Clasp SFP Module  
The bale clasp SFP module has a clasp that you use to remove or install the SFP module. (See Figure 17.)  
Figure 17  
Bale Clasp SFP Module  
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Removing and Installing SFP Modules  
Removing a Bale Clasp SFP Module  
To remove this type of SFP module, follow these steps:  
Step 1  
Step 2  
Attach an ESD-preventive wrist or ankle strap and follow its instructions for use.  
Disconnect and remove all interface cables from the ports; note the current connections of the cables to  
the ports on the line card.  
Step 3  
Step 4  
Open the bale clasp on the SFP module with your index finger in a downward direction, as shown in  
Figure 18. If the bale clasp is obstructed and you cannot use your index finger to open it, use a small  
flat-blade screwdriver or other long, narrow instrument to open the bale clasp.  
Grasp the SFP module between your thumb and index finger and carefully remove it from the port, as  
shown in Figure 18.  
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Figure 18  
Rem oving a Bale Clasp SFP Module  
2
ATCIVE  
CIAER  
RXPACKET  
3
ASS THRU  
P
WRAP  
ATCIVE  
CIAER  
RXPACKET  
ASS THRU  
P
WRAP  
4OC48/SRP-SFP  
2
ATCIVE  
CIAER  
RXPACKET  
3
ASS THRU  
P
WRAP  
ATCIVE  
CIAER  
RXPACKET  
ASS THRU  
P
WRAP  
4OC48/SRP-SFP  
Step 5  
Place the removed SFP module on an antistatic mat, or immediately place it in a static shielding bag if  
you plan to return it to the factory.  
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Step 6  
Protect your line card by inserting clean SFP module cage covers into the optical module cage when  
there is no SFP module installed.  
Installing a Bale Clasp SFP Module  
To install this type of SFP module, follow these steps:  
Step 1  
Step 2  
Step 3  
Attach an ESD-preventive wrist or ankle strap and follow its instructions for use.  
Close the bale clasp before inserting the SFP module.  
Line up the SFP module with the port and slide it into the port. (See Figure 19.)  
Figure 19  
Installing a Bale Clasp SFP Module into a Port  
2
ATCIVE  
CIAER  
RXPACKET  
3
ATCIVE  
CIAER  
RXPACKET  
ASS THRU  
P
WRAP  
4OC48/SRP-SFP  
Note  
Verify that the SFP modules are completely seated and secured in their assigned receptacles on the line  
card by firmly pushing on each SFP module. If the SFP module was not completely seated and secured  
in the receptacle, you will hear a click as the triangular pin on the bottom of the SFP module snaps into  
the hole in the receptacle.  
Mylar Tab SFP Module  
The mylar tab SFP module has a tab that you pull to remove the module from a port. (See Figure 20.)  
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Figure 20  
Mylar Tab SFP Module  
Removing a Mylar Tab SFP Module  
To remove this type of SFP module, follow these steps:  
Step 1  
Step 2  
Attach an ESD-preventive wrist or ankle strap and follow its instructions for use.  
Disconnect and remove all interface cables from the ports; note the current connections of the cables to  
the ports on the line card.  
Step 3  
Pull the tab gently in a slightly downward direction until it disengages from the port, then pull the SFP  
module out. (See Figure 21.)  
Figure 21  
Rem oving a Mylar Tab SFP Module  
2
ATCIVE  
CIAER  
RXPACKET  
3
ASS THRU  
P
WRAP  
ATCIVE  
CIAER  
RXPACKET  
ASS THRU  
P
WRAP  
4OC48/SRP-SFP  
Step 4  
Place the removed SFP module on an antistatic mat, or immediately place it in a static shielding bag if  
you plan to return it to the factory.  
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Step 5  
Protect your line card by inserting clean SFP module cage covers into the optical module cage when  
there is no SFP module installed.  
Caution  
When pulling the tab to remove the SFP module, be sure to pull in a straight outward motion so you  
remove the SFP module from the port in a parallel direction. Do not twist or pull the tab, because you  
might disconnect it from the SFP module.  
Installing a Mylar Tab SFP Module  
To install this type of SFP module, follow these steps:  
Step 1  
Step 2  
Attach an ESD-preventive wrist or ankle strap and follow its instructions for use.  
Line up the SFP module with the port, and slide it into place. (See Figure 22.)  
Figure 22  
Installing a Mylar Tab SFP Module  
2
ATCIVE  
CIAER  
RXPACKET  
3
ATCIVE  
CIAER  
RXPACKET  
ASS THRU  
P
WRAP  
4OC48/SRP-SFP  
Note  
Verify that the SFP modules are completely seated and secured in their assigned receptacles on the line  
card by firmly pushing on each SFP module. If the SFP module was not completely seated and secured  
in the receptacle, you will hear a click as the triangular pin on the bottom of the SFP module snaps into  
the hole in the receptacle.  
Actuator Button SFP Module  
The actuator button SFP module includes a button that you push in order to remove the SFP module from  
a port. (See Figure 23.)  
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Removing and Installing SFP Modules  
Figure 23  
Actuator Button SFP Module  
Removing an Actuator Button SFP Module  
To remove this type of SFP module, follow these steps:  
Step 1  
Step 2  
Attach an ESD-preventive wrist or ankle strap and follow its instructions for use.  
Disconnect and remove all interface cables from the ports; note the current connections of the cables to  
the ports on the line card.  
Step 3  
Gently press the actuator button on the front of the SFP module until it clicks and the latch mechanism  
activates, releasing the SFP module from the port. (See Figure 24.)  
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Figure 24  
Rem oving an Actuator Button SFP Module from a Port  
2
ATCIVE  
CIAER  
RXPACKET  
3
ASS THRU  
P
WRAP  
ATCIVE  
CIAER  
RXPACKET  
ASS THRU  
P
WRAP  
4OC48/SRP-SFP  
2
ATCIVE  
CIAER  
RXPACKET  
3
ASS THRU  
P
WRAP  
ATCIVE  
CIAER  
RXPACKET  
ASS THRU  
P
WRAP  
4OC48/SRP-SFP  
Step 4  
Step 5  
Grasp the actuator button between your thumb and index finger and carefully pull the SFP module from  
the port.  
Place the removed SFP module on an antistatic mat, or immediately place it in a static shielding bag if  
you plan to return it to the factory.  
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Step 6  
Protect your line card by inserting clean SFP module cage covers into the optical module cage when  
there is no SFP module installed.  
Installing an Actuator Button SFP Module  
To install this type of SFP module, follow these steps:  
Step 1  
Step 2  
Attach an ESD-preventive wrist or ankle strap and follow its instructions for use.  
Line up the SFP module with the port and slide it in until the actuator button clicks into place. (See  
Figure 25.) Be sure not to press the actuator button as you insert the SFP module because you might  
inadvertently disengage the SFP module from the port.  
Figure 25  
Installing an Actuator Button SFP Module  
2
ATCIVE  
CIAER  
RXPACKET  
ATCIVE  
CIAER  
RXPACKET  
ASS THRU  
P
WRAP  
4OC48/SRP-SFP  
Note  
Verify that the SFP modules are completely seated and secured in their assigned receptacles on the line  
card by firmly pushing on each SFP module. If the SFP module was not completely seated and secured  
in the receptacle, you will hear a click as the triangular pin on the bottom of the SFP module snaps into  
the hole in the receptacle.  
Slide Tab SFP Module  
The slide tab SFP module has a tab underneath the front of the SFP module that you use to disengage  
the module from a port. (See Figure 26.)  
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Figure 26  
Slide Tab SFP Module  
Removing a Slide Tab SFP Module  
To remove this type of SFP module, follow these steps:  
Step 1  
Step 2  
Attach an ESD-preventive wrist or ankle strap and follow its instructions for use.  
Disconnect and remove all interface cables from the ports; note the current connections of the cables to  
the ports on the line card.  
Step 3  
Step 4  
Grasp the SFP module between your thumb and index finger.  
With your thumb, push the slide tab on the bottom front of the SFP module in the direction of the line  
card to disengage the module from the line card port. (See Figure 27.)  
Figure 27  
Disengaging the Slide Tab  
Step 5  
With the tab still pushed, carefully pull the SFP module from the port as shown in Figure 28.  
Caution  
You must disengage the SFP module by pushing on the slide tab before you can pull out the SFP module.  
If you pull on the SFP module without disengaging the tab, you can damage the SFP module.  
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Figure 28  
Rem oving a Slide Tab SFP Module  
ATCIVE  
CIAER  
RXPACKET  
ASS THRU  
P
WRAP  
4OC48/SRP-SFP  
Step 6  
Step 7  
Place the removed SFP module on an antistatic mat, or immediately place it in a static shielding bag if  
you plan to return it to the factory.  
Protect your line card by inserting clean SFP module cage covers into the optical module cage when  
there is no SFP module installed.  
Installing a Slide Tab SFP Module  
To install this type of SFP module into a line card, follow these steps:  
Step 1  
Step 2  
Attach an ESD-preventive wrist or ankle strap and follow its instructions for use.  
Hold the SFP module with the hardware label facing up.  
Caution  
Step 3  
The SFP module must be inserted with the hardware label facing up to avoiding damaging the module  
or the line card.  
Insert the SFP module into the appropriate slot and gently push on it until it snaps into the slot tightly.  
(See Figure 29.)  
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Line Card Cable-Management Bracket  
Figure 29  
Installing a Slide Tab SFP Module  
2
ATCIVE  
CIAER  
RXPACKET  
3
ASS THRU  
P
WRAP  
ATCIVE  
CIAER  
RXPACKET  
ASS THRU  
P
WRAP  
4OC48/SRP-SFP  
Note  
Verify that the SFP modules are completely seated and secured in their assigned receptacles on the line  
card by firmly pushing on each SFP module. If the SFP module was not completely seated and secured  
in the receptacle, you will hear a click as the triangular pin on the bottom of the SFP module snaps into  
the hole in the receptacle.  
Line Card Cable-Management Bracket  
Note  
The illustrations in this section show various line cards, but the line card cable-management bracket  
installation procedure is the same regardless of the specific line card.  
Cisco XR 12000 Series Routers include a cable-management system that organizes the interface cables  
entering and exiting the router, keeping them out of the way and free of sharp bends.  
Caution  
Excessive bending of interface cables can damage the cables.  
The cable-management system consists of two separate components:  
1. A cable-management tray that is mounted on the chassis. Refer to the appropriate Cisco XR 12000  
Series Router installation and configuration guide for more information on the cable-management  
tray.  
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Line Card Cable-Management Bracket  
2. A cable-management bracket that attaches to a line card.  
This section describes the line card cable-management bracket. Figure 30 shows the single-port line card  
cable-management bracket; Figure 31 shows the multiport line card cable-management bracket.  
Figure 30  
Single-Port Line Card Cable-Managem ent Bracket  
Figure 31  
Multiport Line Card Cable-Managem ent Bracket  
Note  
When shipped with spare line card orders, the cable-management bracket is not attached to the line card.  
You must attach the cable-management bracket to the line card before you insert the line card into the  
router.  
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Line Card Cable-Management Bracket  
Caution  
Do not use the cable-management bracket as a handle to pull out or push in the line card. The  
cable-management bracket is designed to hold the interface cables and may break if you use the bracket  
to push, pull, or carry the line card after it is removed from the router.  
Removing and installing the line card cable-management bracket is described in the following  
procedures:  
Removing a Line Card Cable-Management Bracket, page 38  
Installing a Line Card Cable-Management Bracket, page 40  
Removing a Line Card Cable-Management Bracket  
To remove a line card cable-management bracket, follow these steps:  
Step 1  
Step 2  
Step 3  
Attach an ESD-preventive wrist or ankle strap and follow its instructions for use.  
Note the current interface cable connections to the ports on each line card.  
Starting with the interface cable for the bottom port on the line card, disconnect the cable from the line  
card interface.  
Note  
It is not necessary to remove the interface cables from the line card cable-management bracket. The  
bracket (with attached cables) can be hooked to the cable-management tray or a bracket on the chassis  
until a new line card is installed.  
Step 4  
For multiport line card cable-management brackets, proceed upward and remove the interface from the  
Velcro strap on the end of the cable standoff. (See Figure 32.)  
For single-port line card cable-management brackets, carefully remove the interface cable from the cable  
clip. (See Figure 33.) Avoid any kinks or sharp bends in the cable.  
Step 5  
Step 6  
Repeat Step 3 and Step 4 for all remaining interface cables, then proceed to Step 6.  
For multiport line card cable-management brackets, loosen the captive installation screw at each end of  
the cable-management bracket and remove the bracket from the line card.  
For single-port line card cable-management brackets, loosen the captive installation screw on the  
cable-management bracket and remove the bracket from the line card.  
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Line Card Cable-Management Bracket  
Figure 32  
Multiport Line Card Cable-Managem ent Installation and Rem oval  
(4-Port OC-48c/ STM-16c DPT Line Card Show n)  
a
b
1
W
WITACHOL  
O
                   O
WITACHOL  
O
  N
 L
O
CLEAN  
O
OR  
0
0
ACTIVE  
ACTIVE  
CARRIER  
RX PACKET  
CARRIER  
RX PACKET  
2
          R
C1LASEPR  
     R
LASEPR  
 R
PR  
P
PR  
               1
OUITRDCLASE1  
    T
ODUCT  
3
4
             1
OUTDRKLASE1  
         S
ORDCLASE1  
O
ODUCT  
ACTIVE  
ACTIVE  
CARRIER  
RX PACKET  
CARRIER  
RX PACKET  
2
2
ACTIVE  
ACTIVE  
CARRIER  
RX PACKET  
CARRIER  
RX PACKET  
3
3
IER  
X PACKET  
RIER  
X PACKET  
      P
OC48/R-SFP  
1
2
Chassis cable-management tray  
Velcro straps  
3
4
Line card cable-management bracket  
Fiber cable  
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Line Card Cable-Management Bracket  
Figure 33  
Single-Port Line Card Cable-Managem ent Bracket Installation and Rem oval (1-Port  
OC-192c/ STM-64c DPT Line Card Show n)  
1
4
2
3
TX  
RX  
1
2
Chassis cable-management tray  
Cable clip  
3
4
Interface cable  
Line card cable-management bracket  
Installing a Line Card Cable-Management Bracket  
To install a line card cable-management bracket, follow these steps:  
Step 1  
Attach an ESD-preventive wrist or ankle strap and follow its instructions for use.  
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Step 2  
Step 3  
Attach the line card cable-management bracket to the line card as follows:  
a. Position the cable-management bracket over the front of the line card faceplate.  
b. Insert and tighten the captive screw(s) to secure the bracket to the line card.  
c. Starting with the bottom port on the line card, connect each interface cable to the intended port.  
For multiport line card cable-management brackets, carefully wrap the cables with the supplied Velcro  
strap. (See Figure 32.)  
For single-port line card cable-management brackets, carefully press the interface cable onto the cable  
clip. (See Figure 33.) Avoid any kinks or sharp bends in the cable.  
For information on disconnecting and connecting interface cables, see the “Removing and Installing  
Cabling and Specifications  
The following sections provide information about specifications and cabling for Ethernet line cards:  
Fast Ethernet Interface  
The term Ethernet is commonly used for all carrier sense, multiple access/collision detection  
(CSMA/CD) local-area networks (LANs) that conform to Ethernet specifications, including Fast  
Ethernet defined by IEEE 802.3u.  
IEEE 802.3u specifies the following different physical layers for 100BASE-T:  
100BASE-TX—100BASE-T, half- and full-duplex over Category 5 unshielded twisted-pair (UTP),  
Electronics Industry Association/Telecommunications Industry Association  
[EIA/TIA]–568-compliant cable.  
Note  
The 8-Port Fast Ethernet line card provides an RJ-45 connector that follows the  
Media-Dependent Interface (MDI) port wiring standard, as opposed to the  
Media-Dependent Interface-crossed (MDI-X) wiring scheme found on many hubs and  
repeaters.  
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100BASE-FX—100BASE-T, half- and full-duplex over fiber-optic cable.  
Note  
100BASE-TX and 100BASE-FX are commonly called 100BASE-X rather than  
100BASE-T.  
100BASE-T4—100BASE-T, half- and full-duplex over Category 3, 4, or 5 UTP or shielded  
twisted-pair (STP) cabling with four pairs, also called 4T+. Two-pair UTP over Category 3 cable is  
called T2.  
Note  
The 8-Port Fast Ethernet line card supports 100BASE-TX and 100BASE-FX. 100BASE-T4  
is not supported.  
Table 8 lists the cabling specifications for 100 Mbps Fast Ethernet transmission over UTP, STP, and  
fiber-optic cables. Table 9 summarizes IEEE 802.3u 100BASE-T physical characteristics for  
100BASE-TX and 100BASE-FX.  
Table 8  
Specification and Connection Lim its for 100-Mbps Transm ission  
Parameter  
RJ-45  
MII  
SC-Type  
Cable specification  
Category 51 UTP2, 22 Category 3, 4, or 5,  
62.5/125 multimode  
fiber-optic  
to 24 AWG3  
150-ohm UTP or STP, or  
multimode fiber-optic  
Maximum cable length  
1.64 ft (0.5 m) (MII-to-MII  
cable4)  
Maximum segment  
length  
328 ft (100 m) for  
100BASE-TX  
3.28 ft (1 m)5 or 1,312 ft  
(400 m) for 100BASE-FX  
2 km  
Maximum network  
length  
656 ft (200 m)5 (with 1  
repeater)  
4 km5 (with 1  
repeater)  
1. EIA/TIA-568 or EIA-TIA-568 TSB-36 compliant.  
2. Cisco Systems does not supply Category 5 UTP RJ-45 or 150-ohm STP MII cables. Both are available commercially.  
3. AWG = American Wire Gauge. This gauge is specified by the EIA/TIA-568 standard.  
4. This is the cable between the MII port on the FE interface and the appropriate transceiver.  
5. This length is specifically between any two stations on a repeated segment.  
Table 9  
IEEE 802.3u Physical Characteristics  
Parameter  
100BASE-FX  
100BASE-TX  
Data rate (Mbps)  
Signaling method  
100  
100  
Baseband  
Baseband  
Maximum segment length 2 km between repeaters  
(meters)  
100 m between DTE1 and repeaters  
Media  
SC-type: dual simplex or single  
RJ-45MII  
duplex for receive (RX) and  
transmit (TX)  
Topology  
Star or hub  
Star or hub  
1. DTE = data terminal equipment.  
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Gigabit Ethernet Interface  
This section describes the Gigabit Ethernet interface:  
GBIC Laser Optical Transceiver Modules  
The Gigabit Interface Converters (GBICs) are field-replaceable modules that plug into receptacles on the  
line card and provide the Gigabit Ethernet optical interface. The GBICs have two optical  
interfaces—laser transmit (TX) and laser receive (RX)—and an electrical interface (to the line card). All  
GBIC module types have dual SC connectors. Different GBICs can be ordered for each port on the line  
card. The 1-Port Gigabit Ethernet and 3-Port Gigabit Ethernet line cards use GBICs to provide the  
Gigabit Ethernet optical interface.  
The following sections provide information on the GBIC and Coarse Wave Division Multiplexing  
(CWDM) GBIC in Ethernet line cards:  
GBIC Modules  
Fiber-optic transmission specifications identify two types of fiber: single-mode and multimode. Signals  
can travel farther through single-mode fiber than through multimode fiber.  
The 1-Port Gigabit Ethernet and 3-Port Gigabit Ethernet line cards support multimode fiber through the  
WS-G5484= GBIC laser optical transceiver module and single-mode fiber through the WS-G5486=,  
WS-G5487=. The 3-Port Gigabit Ethernet line card also supports CWDM-GBIC-xxxx= GBIC laser  
optical transceiver modules.  
Table 10 describes the operating parameters for available GBIC laser optics.  
Table 10  
Ethernet GBIC Laser Optic Param eters  
GBIC Module/  
Connector  
Type  
Wavelength Fiber Type  
Distance1  
WS-G5484=  
SC connector  
Shortwave (multimode shorthaul) 850 nm  
62.5 micron MMF  
50 micron MMF  
902 feet (275 m)  
1804 feet (550 m)  
Defined by 1000BASE-SX  
standard, IEEE 802.3  
WS-G5486=  
SC connector  
Longwave (single-mode longhaul) 1310 nm  
10/9 micron SMF  
6.2 miles (10 km)  
Compliant with 1000BASE-LX  
standard, IEEE 802.3  
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Table 10  
Ethernet GBIC Laser Optic Param eters (continued)  
GBIC Module/  
Connector  
Type  
Wavelength Fiber Type  
Distance1  
WS-G5487=  
SC connector  
Extended distance (single-mode)  
1550 nm  
10/9 micron SMF  
8 micron SMF2  
43.5 miles (70 km)  
62 miles (100 km)  
62 miles (100 km)  
CWDM-GBIC-x Longwave (single-mode)  
xxx=3  
1470-1610  
nm4  
SMF 10/9 micron  
1. These distances represent best case conditions, depending on fiber quality, dispersion, and losses due to connectors, nodes,  
or splices. In the case of the CWDM GBICs, CWDM OADM modules or mux/demux modules are needed for these GBICs to  
work in any topology other than a point-to-point topology within one building, so the maximum distance is determined by an  
optical power budget calculation that takes into consideration all sources of loss, including the insertion loss due to the  
CWDM OADM and mux/demux modules, and might be different from the distance shown in the table. For optical parameter  
information associated with the CWDM OADM and mux/demux modules, see the “Related CWDM Documentation” section  
2. Dispersion-shifted single-mode fiber-optic cable required for 100,000-meter distance.  
3. Supported by 3-Port Gigabit Ethernet modules  
4. The wavelengths of the CWDM GBICs are based on a 20-nanometer (nm) wavelength grid and are available in eight  
wavelengths: 1470, 1490, 1510, 1530, 1550, 1570, 1590, and 1610 nm.  
Note  
Note  
1000BASE-SX and 1000BASE-LX (LH) were originally part of the IEEE 802.3z standard, which has  
been incorporated into the IEEE 802.3 standard.  
Use only GBIC modules supplied by Cisco with your Ethernet line card. They have been tested by Cisco  
Engineering and, in some cases, a Cisco-supplied GBIC might contain an internal erasable  
programmable read-only memory (EPROM) that identifies the GBIC to the Cisco IOS software.  
The maximum distance for any fiber span in an optical network is determined by the fiber type and  
quality, as well as the span length, number of splices, and number of optical nodes in the path. If your  
network design requires the signal to travel close to the theoretical maximum distance (as listed in  
Table 11), you must calculate the optical power budget and receive (RX) sensitivity for the entire  
network topology to ensure it is within the specifications of the GBIC option in use.  
Note  
Actual power budget calculations involve a number of variables specific to network topology and design,  
and are therefore outside the scope of this publication.  
Table 11  
Optical Param eter Values for Calculating Link Power Budget  
Transmit  
Power  
Receive  
Power  
Receive  
Link  
GBIC  
Sensitivity Budget Maximum Distance1  
WS-G5484=  
WS-G5486=  
WS-G5487=  
–9.5dBm to 0 dBm2 –17 to 0 dBm  
–17 dBm  
–19 dBm  
–23 dBm  
7.5 dB  
8 dB  
1,804 feet (550 m)  
6.2 miles (10 km)  
–11 to –3 dBm  
0 to +5 dBm  
–19 to –3 dBm  
–23 to 0 dBm  
23 dB  
43.5 to 62 miles (70 to  
100 km3)  
CWDM-GBIC-xxxx= +1 to +5 dBm  
–31 to –7 dBm  
–31 dBm  
32 dB  
62 miles (100 km)4  
1. These distances represent best case conditions, depending on fiber quality, dispersion, and losses due to connectors, nodes,  
or splices.  
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2. dBm = decibels referenced to 1 milliwatt.  
3. Dispersion-shifted single-mode fiber-optic cable required for 100-km distance.  
4. This distance represents best case conditions, depending on fiber quality, dispersion, and losses due to connectors, nodes, or  
splices. In the case of the CWDM GBICs, CWDM OADM modules or mux/demux modules are needed for these GBICs to  
work in any topology other than a point-to-point topology within one building, so the maximum distance is determined by an  
optical power budget calculation that takes into consideration all sources of loss, including the insertion loss due to the  
CWDM OADM and mux/demux modules, and might be different from the distance shown in the table. For optical parameter  
information associated with the CWDM OADM and mux/demux modules, see the “Related CWDM Documentation” section  
Using CWDM GBICs with the 3-Port Gigabit Ethernet Line Card  
The 3-Port Gigabit Ethernet line card supports CWDM GBICs. The eight CWDM GBICs available for  
use with an Ethernet line card are active components that plug into standard GBIC receptacles in the line  
card. They convert Gigabit Ethernet electrical signals into an optical single-mode fiber (SMF) interface  
that feeds into a CWDM network through a Cisco optical add/drop multiplexing (OADM) plug-in  
module or multiplexing/demultiplexing (mux/demux) plug-in module. Figure 34 shows the physical  
appearance of a CWDM GBIC with one optical port dust plug removed.  
Figure 34  
CWDM GBIC (Yellow -Coded CWDM-GBIC-1550= Show n)  
7
1
C W D M - G B I C - 1 5
1 0 0 0 B A S E - C W D M G B I C  
S I N G L E - M O D E  
2
6
5
4
3
1
2
3
Color band on label  
Alignment groove  
Spring clip  
4
Transmit optical bore  
Optical bore dust plug  
6
7
Receive optical bore  
Color dot  
5
The eight CWDM GBICs available for use with a Gigabit Ethernet line card come in eight wavelengths  
in a range from 1470 nm to 1610 nm. The color dot between the receive and transmit ports and the color  
band on the label of the Cisco CWDM GBIC identify the wavelength of the GBIC. Table 12 lists the  
CWDM GBICs and their associated color codes.  
Table 12  
Gigabit Ethernet CWDM GBIC Laser Optic Param eters  
GBIC Product Number  
CWDM-GBIC-1470=  
CWDM-GBIC-1490=  
CWDM-GBIC-1510=  
CWDM-GBIC-1530=  
CWDM GBIC Wavelength  
Color Identifier  
Gray  
Longwave 1470 nm laser single-mode  
Longwave 1490 nm laser single-mode  
Longwave 1510 nm laser single-mode  
Longwave 1530 nm laser single-mode  
Violet  
Blue  
Green  
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Table 12  
Gigabit Ethernet CWDM GBIC Laser Optic Param eters (continued)  
GBIC Product Number  
CWDM-GBIC-1550=  
CWDM-GBIC-1570=  
CWDM-GBIC-1590=  
CWDM-GBIC-1610=  
CWDM GBIC Wavelength  
Color Identifier  
Yellow  
Longwave 1550 nm laser single-mode  
Longwave 1570 nm laser single-mode  
Longwave 1590 nm laser single-mode  
Longwave 1610 nm laser single-mode  
Orange  
Red  
Brown  
General CWDM GBIC Installation and Usage Guidelines  
The Cisco CWDM GBIC solution has two main components: the Cisco CWDM GBICs and the Cisco  
OADM plug-in modules or mux/demux plug-in modules, which are rack mounted in a Cisco CWDM  
OADM chassis external to the Cisco 12000 Series Router that contains the Ethernet line card.  
The CWDM OADM plug-in modules and mux/demux plug-in modules are passive optical components  
that multiplex together multiple wavelengths from multiple SMF fiber pairs into one SMF fiber pair. Up  
to two CWDM plug-in modules can be rack-mounted by using the single-rack-unit CWDM chassis.  
The CWDM GBICs plug into the standard GBIC receptacles on the faceplate of the Ethernet line card  
and are connected to the CWDM OADM or mux/demux plug-in modules in the external CWDM chassis  
using SMF jumper cables with SC-type connectors.  
A Cisco 12000 Series Router equipped with an Ethernet line card and CWDM GBICs can be connected  
into a CWDM network through external CWDM plug-in modules in the following deployment scenarios:  
Point-to-point—Two endpoints are directly connected via a fiber link. You can add or drop up to  
eight Gigabit Ethernet channels into a pair of single-mode fibers.  
Hub-and-spoke (ring)—Multiple nodes (spokes) are connected with a hub location through a ring  
of single-mode fiber. Each hub/node connection can consist of one or more wavelengths, each  
carrying a full Gigabit Ethernet channel.  
Mesh (ring)—Combines the hub-and-spoke and point-to-point (or even multiple point-to-point)  
connections in parallel on the same CWDM optic link. The maximum of eight GBIC wavelengths  
allows different combinations of these scenarios.  
Related CWDM Documentation  
For more information about CWDM GBIC solution deployment, including the optical parameters  
(insertion loss and isolation values) for the CWDM OADM and mux/demux plug-in modules, see the  
following related documentation:  
Cisco CWDM GBIC Solution, Data Sheet  
Cisco CWDM GBIC Solution, Q & A  
Installation Note for the CWDM Passive Optical System  
General Connection Rules for CWDM GBICs  
Observe the following connection rules for CWDM GBICs:  
Always match the CWDM GBIC color with the equipment port of the same color on the CWDM  
passive optical system plug-in module.  
Use the CWDM passive optical system connector color codes shown in Table 12 to help you connect  
your router to the CWDM passive optical system.  
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Always connect from transmit (TX) to receive (RX) when connecting GBICs to other equipment:  
Connect GBIC TX to equipment RX  
Connect GBIC RX to equipment TX  
Optical transceivers—such as the Cisco CWDM GBICs—have a maximum optical receive power,  
above which damage might occur to the receive diode. The incoming power level might be too high  
if the fiber lacks sufficient attenuation, which might occur in a short run of fiber (less than  
approximately 25 km). Attenuators are used to lower the incoming optical signal below the  
maximum optical receive power of the Cisco CWDM GBIC (–7 dB).  
When the length of the fiber-optic link is less than 15.5 miles (25 km), you must insert a 10-dB inline  
optical attenuator (Cisco product number AT-10DB-SC=) between the fiber-optic network and the  
receiving port on the Cisco CWDM GBIC at each end of the link to ensure that the maximum receive  
power is always less than –7 dBm.  
Gigabit Ethernet SFP Modules  
The Gigabit Ethernet laser optical transceiver module is a field-replaceable small form-factor pluggable  
(SFP) module that plugs into the receptacle on the Ethernet port adapter (EPA) located on the Modular  
Ethernet line card and provides the Gigabit Ethernet optical interface. (See Figure 35.) The module has  
two optical interfaces—laser transmit (TX) and laser receive (RX)—and an electrical interface (to the  
line card). The 4-Port Gigabit Ethernet ISE, 10-Port 1-Gigabit Ethernet, and Modular Gigabit Ethernet  
line cards use SFP modules.  
Figure 35  
SFP Module and Fiber-Optic Cable  
CASID  
P
A
-
0
P
A
-
1
P
A
-
2
ATCIVE  
LNIK  
RXPKT  
1
P3AGESX/H-LC  
ATCIVE  
LNIK  
RXPKT  
P3AGESX/H-LC  
2
3
1
2
Component side of line card  
Top surface of SFP module  
3
Card carrier side of line card  
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The following SFP module options are available for a Gigabit Ethernet line card:  
GLC-SX-MM—Short wavelength SFP module (850 nm nominal), for use in 1000BASE-SX links.  
GLC-LH-SM—Long-haul or long-wavelength SFP module (1310 nm nominal), for use in  
1000BASE-LX links.  
GLC-LX-SM—Single-mode, long-reach  
GLC-ZX-SM=—Single-mode, extended-reach (supported by 4-Port Gigabit Ethernet ISE line card  
only)  
The SFP modules have LC connectors. Different SFP module options allow you to customize the  
physical interfaces on the line card by using both types of modules on the same line card. The only  
restriction is that each port must match the specifications on the other end of the cable (short or long  
wavelength), and must not exceed the recommended cable length for reliable communication.  
Fiber-optic transmission specifications identify two types of fiber: single-mode and multimode. The  
maximum distance for single-mode installations is determined by the amount of light loss in the fiber  
path. If your environment requires the light to travel close to the typical maximum distance, you should  
use an optical time domain reflectometer (OTDR) to measure the power loss.  
Table 13 describes the operating parameters for the supported SFP modules.  
Table 13  
Gigabit Ethernet SFP Module Power Budget and Signal Requirem ents  
Power  
Budget  
Transmit  
Power  
Receive  
Power  
Receive  
Sensitivity  
Typical Maximum  
Distance  
SFP  
Transceiver  
GLC-SX-MM  
Short wavelength  
7.5 dB  
–9.5 to -4 dBm1  
–17 to 0 dBm  
–17 dBm  
984 feet (300 meters)  
at 850 nm2  
Multimode,  
short haul  
GLC-LH-SM3  
Long wavelength  
8.0 dB  
–9.5 to –3 dBm  
at 1310 nm  
–19 to -3 dBm  
32,808 feet (10,000 meters)  
Single-mode,  
long haul  
GLC-LX-SM4  
GLC-ZX-SM5  
Single-mode,  
long-reach  
8 dB  
–11 to –3 dBm –19 to –3 dBm  
at 1310 nm  
–19 dBm  
–23 dBm  
Single-mode,  
extended-reach  
23 dB  
0 to +5 dBm  
at 1550 nm  
–23 to 0 dBm  
1. dBm = decibels referenced to 1 milliwatt  
2. nm = nanometer  
3. Not valid for 4-Port Gigabit Ethernet ISE line card  
4. 4-Port Gigabit Ethernet ISE line card only  
5. 4-Port Gigabit Ethernet ISE line card only  
Table 14  
Gigabit Ethernet Laser Optical Transceiver (SFP) Module Operating Param eters  
SFP Module  
Type  
Wavelength Cable  
Distance  
GLC-SX-MM  
Short wavelength  
(multimode short haul)  
850 nm  
MMF 62.5/125 micron  
722 feet (220 m)  
1640 feet (500 m)  
32,808 feet (10,000 m)  
MMF 50/125 micron  
SMF 9/125 micron  
GLC-LH-SM  
Long wavelength  
(single-mode long  
haul)  
1310 nm  
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Note  
Use only the SFP modules supplied by Cisco with your Gigabit Ethernet line card. Each SFP module  
contains an internal serial EEPROM that is security-programmed by the SFP manufacturer with  
information that provides a way for Cisco (through the Cisco IOS software) to identify and validate the  
SFP module as a module type that was tested and qualified by Cisco to operate properly with Cisco  
Gigabit Ethernet line cards. Unapproved SFP modules (those not purchased directly from Cisco) will not  
work on the Gigabit Ethernet line card.  
10-Gigabit Ethernet  
The 1-Port 10-Gigabit Ethernet line card uses single-mode fiber-optic cable. The maximum distance for  
single-mode installations is determined by the amount of light loss in the fiber path. If your environment  
requires the light to travel close to the typical maximum distance (as listed in Table 16), you should use  
an optical time domain reflectometer (OTDR) to measure the power loss.  
The Ethernet line card is offered in two transceiver options:  
Long haul or long wavelength, 1310 nanometers (nm) nominal, used for 1000BASE-LR links.  
Long haul or long wavelength, 1550 nm nominal, used for 1000BASE-ER links.  
Table 15 describes the operating parameters for the transceiver options.  
Table 15  
10-Gigabit Ethernet Laser Optical Transceiver Operating Param eters  
Transceiver Option  
Type  
Wavelength Cable  
Distance  
LR  
Long wavelength  
1310 nm  
SMF 9/125 micron  
6.2 miles (10 km)  
(single-mode long haul)  
ER  
Long wavelength  
1550 nm  
SMF 9/125 micron  
24.9 miles (40 km)  
(single-mode long haul)  
Table 16 lists the power ratings and maximum distances of both models of the Ethernet line cards. The  
actual distance in any given case depends on the quality of the fiber connected to the transceiver.  
Table 16  
Transceiver Module Power Budget and Signal Requirem ents  
Power  
Budget  
Transmit  
Power  
Receive  
Power  
Transceiver Option  
Typical Maximum Distance  
LR  
ER  
6.2 dB  
–8.2 to +0.5 dBm at 1310 nm  
–4.7 to +4 dBm at 1550 nm  
–14.4 to +0.5 dBm 6.2 miles (10 km)  
–15.8 to –1 dBm 24.9 miles (40 km)  
11.1 dB  
Fiber-Optic Interface Cables  
Depending on the line card (refer to Table 4 on page 4), use a single-mode or multimode fiber-optic  
interface cable with LC-type or SC-type connectors to connect an Ethernet interface on the Ethernet line  
card in your Cisco XR 12000 Series Router to another Ethernet interface, router, or switch.  
Note  
Fiber optic cables are not available from Cisco Systems. They can be purchased from cable vendors.  
The following types of cables are used with Ethernet line cards to connect your router to another router  
or switch:  
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Single-mode—Generally yellow in color.  
Multimode—Generally gray or orange in color. Multimode cables are multifiber cables that carry  
12 channels of fiber data.  
Note  
For network applications using CWDM GBICs in Ethernet line cards, the CWDM GBICs use SMF patch  
cords only. Verify that all your patch cords are yellow (SMF), rather than orange (MMF).  
The following types of cable connectors are used with Ethernet line cards:  
Subscriber connector (SC)—See Figure 36 and Figure 37  
Lucent connector (LC)— See Figure 38 and Figure 39  
You can use two cables with simplex connectors, or one cable with dual, keyed connectors.  
Warning  
Invisible laser radiation can be emitted from the aperture of the port when no cable is connected.  
Avoid exposure to laser radiation and do not stare into open apertures.  
Figure 36  
Sim plex SC Cable Connector (Single-m ode)  
1
2
1
SC cable connector  
2
Spring-action disconnect latch  
Figure 37  
Duplex SC Cable Connector  
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Figure 38  
Sim plex LC Cable Connector  
2
1
1
LC connector  
2
Spring-action disconnect latch  
Figure 39  
Duplex LC Cable Connector  
TX RX  
Note  
Connectors on the fiber-optic cables must be free of dust, oil, or other contaminants. Before  
connecting the cable to the line card, carefully clean the fiber-optic connectors using an  
alcohol wipe or other suitable cleanser. Refer to the “Cleaning Fiber-Optic Connectors”  
section on page 55 for more information.  
The connector on the cable might be supplied with a dust cover. If it is, remove the dust  
cover before trying to connect the cable to the line card port.  
Removing and Installing Fiber-Optic Interface Cables  
This section contains information on removing and installing fiber-optic interface cables to connect your  
router to another router or switch.  
Note  
The procedures in the following sections use illustrations of an Ethernet line card to support the  
descriptions of removing and installing interface cables. Although the line cards differ, the process of  
removing and installing interface cables is basically the same. Therefore, separate procedures and  
illustrations are not included in this publication.  
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Removing Fiber-Optic Interface Cables  
To remove line card interface cables, refer to Figure 40 (showing one possible arrangement) and follow  
these steps:  
Step 1  
Step 2  
Attach an ESD-preventive wrist or ankle strap to your wrist and follow its instructions for use.  
Press on the spring-action disconnect latch to disconnect the interface cable connectors from the line  
card interface ports.  
Warning  
Invisible laser radiation can be emitted from the aperture of the port when no cable is connected.  
Avoid exposure to laser radiation and do not stare into open apertures.  
Note  
You do not have to remove the interface cables from the line card cable-management bracket.  
Step 3  
Step 4  
Insert a dust plug into the optical port openings of each port that is not being used.  
Use a screwdriver to loosen the captive installation screws at the ends of the line card cable-management  
bracket.  
Step 5  
Detach the line card cable-management bracket and optical fiber cable bundle from the line card and  
place it carefully out of the way. (See Figure 40B.)  
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Figure 40  
Disconnecting Line Card Interface Cables  
a
b
1
   E
                         E
WITACHOL  
                 G
                         E
WITACHOL  
      C
    N
O
CLEAN  
  R
OR  
0
0
ACTIVE  
ACTIVE  
CARRIER  
RX PACKET  
CARRIER  
RX PACKET  
          R
C1LASEPR  
L
LASEPR  
 R
PR  
P
PR  
               1
OUITRDCLASE1  
    T
ODUCT  
           E
OUTDRKLASE1  
            1
ORDCLASE1  
2
O
ODUCT  
ACTIVE  
ACTIVE  
CARRIER  
RX PACKET  
CARRIER  
RX PACKET  
4
2
2
VE  
TIVE  
RIER  
RX PACKET  
RIER  
RX PACKET  
3
3
3
ACTIVE  
ACTIVE  
CARRIER  
RX PACKET  
CARRIER  
RX PACKET  
2
TIVE  
      P
OC48/R-SFP  
RRIER  
RX PACKET  
5
1
2
Fiber cable  
Velcro strap  
3
Cable-management bracket  
Dust plug  
5
SFP module  
4
Installing Fiber-Optic Interface Cables  
Use two simplex SC or LC connectors or one duplex SC or LC connector (refer to Figure 41 on page 54  
Note  
Optical fiber cables are available from cable vendors. These cables are not available from Cisco Systems.  
Warning  
Invisible radiation may be emitted from the aperture of the port when no fiber cable is  
connected, so avoid exposure to radiation and do not stare into open apertures.  
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Cabling and Specifications  
Warning  
Warning  
Note  
Class 1 laser product.  
Class 1 LED product (multimode).  
Connectors on the fiber-optic cables must be free of dust, oil, or other contaminants. Before  
connecting the cable to the line card, carefully clean the fiber-optic connectors using an  
alcohol wipe or other suitable cleanser. Refer to the “Cleaning Fiber-Optic Connectors”  
section on page 55 for more information.  
To install a cable, follow these steps:  
Step 1  
Step 2  
Remove the connector dust cover if one is present.  
Align the connector end of the cable to the appropriate port. Observe the receive (RX) and transmit (TX)  
cable relationship on the cables, as shown in Figure 41 and Figure 42.  
Step 3  
Step 4  
Step 5  
Attach fiber cable between the port in the line card and the device to which the line card is connected.  
Insert the fiber cable connector until it clicks and locks into place.  
Repeat these steps until all cabling is complete.  
Figure 41  
Attaching Sim plex or Duplex Fiber Cables (SFP Module)  
3
Component side  
of line card  
1
2
2
TIVE  
RRIER  
RX PACKET  
0
1
2
3
LINK  
ACTIVE  
RX FRAME  
Gasket edge of  
front panel  
4
Top surface of  
SFP module  
Card carrier  
side of line card  
1
2
TX connector  
RX connector  
3
4
Simplex cables  
Duplex cable  
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Cabling and Specifications  
Figure 42  
Attaching Sim plex or Duplex Fiber Cables (Line Card Port or GBIC)  
Duplex  
Simplex  
RX  
TX  
TX  
RX  
F
ASHRNET  
Duplex  
Simplex  
Note  
The fiber-optic connectors must be free of dust, oil, or other contaminants. Carefully clean the fiber-  
optic connectors using an alcohol wipe or other suitable cleanser.  
Cleaning Fiber-Optic Connectors  
Fiber-optic connectors are used to connect two fibers together. When these connectors are used in a  
communication system, proper connection becomes a critical factor. They can be damaged by improper  
cleaning and connection procedures. Dirty or damaged fiber-optic connectors can result in  
communication that is inaccurate or not repeatable.  
Fiber-optic connectors differ from electrical or microwave connectors. In a fiber-optic system, light is  
transmitted through an extremely small fiber core. Because fiber cores are often 62.5 microns or less in  
diameter, and dust particles range from a tenth of a micron to several microns in diameter, dust and any  
other contamination at the end of the fiber core can degrade the performance of the connector interface  
where the two cores meet. Therefore, the connector must be precisely aligned and the connector interface  
must be absolutely free of foreign material.  
Connector loss, or insertion loss, is a critical performance characteristic of a fiber-optic connector.  
Return loss is also an important factor. Return loss specifies the amount of reflected light: the lower the  
reflection, the better the connection. The best physical contact connectors have return losses of better  
than –40 dB, but –20 to –30 dB is more common.  
The connection quality depends on two factors: the type of connector and the proper cleaning and  
connection techniques. Dirty fiber connectors are a common source of light loss. Keep the connectors  
clean at all times, and keep the dust plugs or covers installed when the connectors are not in use.  
Before installing any type of cable or connector, use a lint-free alcohol pad from a cleaning kit to clean  
the ferrule, the protective tube or cone that surrounds the fiber core, and the end-face surface of the fiber  
core.  
As a general rule, any time you detect a significant, unexplained loss of light, clean the connectors. To  
clean the optical connectors, use a CLETOP fiber optic cleaning cassette (Type A for SC connectors)  
and follow the manufacturer’s usage instructions.  
If a CLETOP cleaning cassette is not available, follow these steps:  
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Step 1  
Step 2  
Use a lint-free tissue soaked in 99 percent pure isopropyl alcohol and gently wipe the end-face of the  
fiber core. Wait 5 seconds for the surfaces to dry and wipe the surfaces a second time.  
Use clean, dry, oil-free compressed air to remove any residual dust from the connector.  
Warning  
Step 3  
Invisible laser radiation can be emitted from the aperture of the port when no cable is connected.  
Avoid exposure to laser radiation and do not stare into open apertures.  
Use a magnifying glass or inspection microscope to inspect the ferrule at angle. Do not look directly into  
the aperture. If you detect any contamination, repeat Step 1 and Step 2.  
Type RJ-45 100BASE-T Copper Cables  
For an 8-Port Fast Ethernet line card with RJ-45 ports, use an EIA/TIA–568-compliant cable with MDI  
wiring and RJ-45 connectors to connect your Cisco XR 12000 Series Router to another router or switch.  
Figure 43 shows a typical RJ-45 connector.  
Note  
EIA/TIA–568-compliant cable with MDI wiring and RJ-45 connectors are available from a wide variety  
of sources. These cables are not available from Cisco Systems.  
Figure 43  
RJ -45 Cable Connector  
8 7 6 5 4 3 2 1  
RJ-45 connector  
Removing and Installing RJ-45 100BASE-T Copper Cable  
This section contains information on removing and installing RJ-45 copper cables to connect your router  
to another router or switch.  
Removing RJ-45 Cables  
To remove line card cables, follow these steps (refer to Figure 44 on page 57):  
Step 1  
Step 2  
Attach an ESD-preventive wrist or ankle strap to your wrist and follow its instructions for use.  
Disconnect the interface cable connectors from the line card interface ports.  
Note  
You do not have to remove the interface cables from the line card cable-management bracket.  
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Step 3  
Step 4  
Use a screwdriver to loosen the captive installation screws at the ends of the line card cable-management  
bracket.  
Detach the line card cable-management bracket and optical fiber cable bundle from the line card and  
place it carefully out of the way.  
Installing RJ-45 Cables  
Insert the RJ-45 connector into an open port until the connector clicks and locks into place. Attach one  
cable between each line card interface and the device to which the line card is connected. Figure 44  
shows the relationship between the RJ-45 interface on the line card and the cable connector.  
Figure 44  
Attaching RJ -45 Copper Cables  
F
ASHRNET  
Verifying and Troubleshooting the Installation  
After installing the hardware, you need to look at the LEDs to verify that the Ethernet line card was  
installed correctly. If it was not, you need to troubleshoot to find the problem. The following sections  
provide information about how to verify and troubleshoot line card installations:  
Initial Boot Process  
Note  
Many new line cards are designated as administratively down by default. Status LEDs are off until you  
configure the interfaces and use the no shutdown command.  
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During a typical line card boot process, the following events occur:  
1. The line card maintenance bus (MBus) module receives power and begins executing the MBus  
software.  
2. The line card MBus module determines the type of card on which it resides, performs internal  
checks, and prepares to accept the Cisco IOS software from the RP.  
3. The RP powers up the line card and loads the line card with its Cisco IOS software.  
To verify that the line card is working properly, perform the following operational checks:  
During the line card boot process, observe the line card alphanumeric LEDs to ensure that the card  
is running the typical initialization sequence. The sequence should end with IOS RUN.  
Observe the line card status LEDs to verify that the Active LED (Link LED or status LED for line  
cards with no Active LED) is on. If an Active LED is not on, verify that the associated interface is  
not shut down.  
Status LEDs  
The Gigabit Ethernet line cards and the 8-Port Fast Ethernet line card have different status LEDs.  
Gigabit Ethernet Status LEDs  
After installing the line card and connecting the interface cables, verify that the line card is working  
properly by observing the LEDs on the faceplate. For the locations of the LEDs, refer to the figures in  
Status LEDs show the status of each fiber-optic connector:  
LINK—When lit, indicates that the Gigabit Ethernet (GE) MAC layer is receiving comma characters  
from a connected GE device.  
ACTIVE—When lit, indicates that the interface is active.  
RX FRAME—When lit, indicates that the interface has received a packet.  
Alphanumeric LEDs explain the state of the line card and are made up of two, four-digit alphanumeric  
LED displays. (See the “Alphanumeric LEDs” section on page 59.)  
The status LEDs might not go on until after you have configured the line card interfaces (or turned them  
on, if they were shut down).  
The different operating states of the status LEDs on the Gigabit Ethernet line card are shown in Table 17.  
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Table 17  
Status LED Descriptions  
LED  
Color/Activity Description  
Green  
LINK  
A signal is detected.  
There is RX synchronization.  
The GBIC or SFP module is inserted and has no fault conditions.  
The line card is connected to another functioning Gigabit Ethernet interface  
and has received comma-detect characters.  
Off  
Loss of signal (LOS). Occurs when the signal is lost at the optical input. For  
example, removing a GBIC or SFP or removing a cable causes both an LOS  
and a loss of synchronization.  
Loss of RX synchronization. Occurs when the receiver cannot detect  
commas. For example, removing the local RX cable or the remote TX cable  
will cause loss of synchronization.  
Invalid word received. To maintain receiver alignment and synchronization,  
the receiver looks for a unique detectable code-bit pattern. An invalid word  
condition occurs because the receiver detects an incorrect or unsupported  
character or sequence of characters, resulting in a loss of synchronization  
and a link down condition.  
Green  
Off  
ACTIVE  
When the line protocol is up. For example, you enter a no shutdown  
command as part of the interface configuration.  
During the line card hardware initialization sequence.  
The line is down because of a link failure or problem with the GBIC or SFP  
module.  
Hardware initialization fails.  
The line card interface is shut down, because a GBIC or SFP module was  
removed and replaced or was administratively shut down. Note that a newly  
inserted line card is designated administratively down, so the Active LED for  
the interface remains off until the interface is configured. The Active LED on  
the line card does not go on until you configure the line card interface (or turn  
the interface on if it was shut down). As an operational check, you can verify  
that the card is receiving power by looking at the alphanumeric display  
LEDs, which go on when a line card is inserted correctly into the chassis and  
is powered on.  
Green  
Off  
Packets are being received on this interface.  
Packets are not being received on this interface.  
RX FRAME  
Alphanumeric LEDs  
Ethernet line cards have two four-digit alphanumeric LED displays at one end of the faceplate, near the  
ejector lever, that display a sequence of messages indicating the state of the card. In general, the LEDs  
do not turn on until the RP recognizes and powers up the card. As it boots, the line card displays a  
sequence of messages similar to those in Table 18.  
Note  
It is normal for some displayed messages to appear too briefly to be read. Also, some messages listed in  
Table 18 and Table 19 may not appear on your line card.  
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Table 18  
Alphanum eric LED Messages During a Typical Initialization Sequence  
LED Display1  
Meaning  
Source  
MROM  
MBus microcode execute; nnnn is the microcode version  
MBus controller  
nnnn  
number.  
LMEM  
TEST  
Low memory on the line card is being tested.  
Low memory test has been completed.  
Main memory is being initialized.  
Line card ROM  
monitor  
LROM  
RUN  
Line card ROM  
monitor  
BSS  
INIT  
Line card ROM  
monitor  
RST  
SAVE  
Contents of the reset reason register are being saved.  
Reset I/O register is being accessed.  
Line card ROM  
monitor  
IO  
RST  
Line card ROM  
monitor  
EXPT  
INIT  
Interrupt handlers are being initialized.  
TLB is being initialized.  
Line card ROM  
monitor  
TLB  
INIT  
Line card ROM  
monitor  
CACH  
INIT  
CPU data and instruction cache is being initialized.  
Line card ROM  
monitor  
MEM  
INIT  
Size of the main memory on the line card is being discovered. Line card ROM  
monitor  
LROM  
RDY  
ROM is ready for the download attempt.  
Line card ROM  
monitor  
ROMI  
GET  
ROM image is being loaded into line card memory.  
ROM image is receiving a response.  
RP IOS software  
RP IOS software  
RP IOS software  
ROM  
VGET2  
FABI  
Line card is waiting for the fabric downloader to load.3  
WAIT  
FABM  
WAIT2  
Line card is waiting for the fabric manager to report that the RP IOS software  
fabric is usable.  
FABL  
DNLD  
Fabric downloader is being loaded into line card memory.  
RP IOS software  
RP IOS software  
RP IOS software  
RP IOS software  
RP IOS software  
FABL  
STRT  
Fabric downloader is being launched.  
FABL  
RUN  
Fabric downloader has been launched and is running.  
IOS  
DNLD  
Cisco IOS software is being downloaded into line card  
memory.  
IOS  
Cisco IOS software is waiting for the fabric to be ready.  
FABW2  
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Table 18  
Alphanum eric LED Messages During a Typical Initialization Sequence (continued)  
LED Display1  
Meaning  
Source  
IOS  
Line card is obtaining the Cisco IOS version.  
RP IOS software  
VGET2  
IOS  
RUN  
Line card is enabled and ready for use.  
Cisco IOS software is being launched.  
Cisco IOS software is transitioning to active.  
Cisco IOS software is running.  
RP IOS software  
RP IOS software  
RP IOS software  
RP IOS software  
IOS  
STRT  
IOS  
TRAN  
IOS  
UP  
1. The entire LED sequence shown in Table 18 might occur too quickly for you to read; therefore, this sequence is provided in  
this tabular form as a baseline for how a line card should function at startup.  
2. This LED sequence only appears in Cisco IOS release 12.0(24)S or later.  
3. The fabric downloader loads the Cisco IOS software image onto the line card.  
Table 19 lists other messages displayed on the line card alphanumeric LED displays.  
Table 19  
Other Alphanum eric LED Messages  
LED Display  
Meaning  
Source  
MAL  
Line card malfunction reported by field diagnostics.  
RP  
FUNC  
MISM  
Line card type mismatch in paired slots.  
Line card has been newly powered on.  
Line card is powered on.  
RP  
RP  
RP  
RP  
RP  
RP  
RP  
RP  
RP  
RP  
ATCH1  
PWR  
STRT1  
PWR  
ON  
IN  
RSET  
In reset.  
RSET  
DONE  
Reset complete.  
MBUS  
DNLD  
MBus agent downloading.  
MBUS  
DONE  
MBus agent download complete.  
Acquisition of ROM image complete.  
Waiting for mastership determination.  
Waiting for slot clock configuration.  
ROMI  
DONE  
MSTR  
WAIT  
CLOK  
WAIT  
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Table 19  
Other Alphanum eric LED Messages (continued)  
LED Display  
Meaning  
Source  
CLOK  
DONE  
Slot clock configuration done.  
RP  
FABL  
LOAD  
Loading fabric downloader2 complete.  
Downloading of Cisco IOS software is complete.  
Cisco IOS software BMA error.  
Cisco IOS fabric interface ASIC configuration error.  
Buffer carving failure.  
RP  
RP  
RP  
RP  
RP  
RP  
RP  
RP  
RP  
RP  
RP  
RP  
RP  
RP  
RP  
RP  
RP  
RP  
IOS  
LOAD  
BMA  
ERR  
FIA  
ERR  
CARV  
ERR  
DUMP  
REQ  
Line card requesting a core dump.  
Line card dumping core.  
DUMP  
RUN  
DUMP  
DONE  
Line card core dump complete.  
Diagnostic mode.  
DIAG  
MODE  
DIAG  
LOAD  
Downloading field diagnostics over the MBus.  
Downloading field diagnostics over the fabric.  
Launching field diagnostics.  
DIAG  
F_LD  
DIAG  
STRT  
DIAG  
HALT  
Cancel field diagnostics.  
DIAG  
TEST  
Running field diagnostics tests.  
Field diagnostics were completed successfully.  
Launching power-on self-test (POST).  
Unknown state.  
DIAG  
PASS1  
POST  
STRT  
UNKN  
STAT  
ADMN  
DOWN  
Line card is administratively down.  
1. This LED sequence only appears in Cisco IOS release 12.0(24)S or later.  
2. The fabric downloader loads the Cisco IOS software image onto the line card.  
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Verifying and Troubleshooting the Installation  
Troubleshooting the Installation  
Note  
Many new line cards are designated as administratively down by default. Status LEDs are off until you  
configure the interfaces and use the no shutdown command.  
If the Active LED (Link LED or status LED for line cards with no Active LED) or the alphanumeric  
display LEDs on a line card do not go on, there is either a problem with the line card installation or a  
hardware failure. To verify that the line card is installed correctly, follow these steps:  
Step 1  
Step 2  
If the Active LED fails to go on, but the alphanumeric display LEDs on the line card indicate activity,  
verify that the initialization sequence ends with IOS RUN. If this is the case, verify that the interface is  
not shut down. If it is not, suspect a circuitry problem with the Active LED and contact a service  
representative for further assistance.  
If the Active LED on the line card fails to go on or the alphanumeric display LEDs do not indicate IOS  
RUN, check the router connections as follows:  
a. Verify that the line card board connector is fully seated in the backplane. Loosen the captive  
installation screws and firmly pivot the ejector levers toward each other until both are perpendicular  
to the line card faceplate. Tighten the captive installation screws.  
b. Verify that all power cords and data cables are firmly connected at both ends.  
c. Verify that all memory modules on the card are fully seated and secured to their sockets.  
After the line card reinitializes, the Active LED on the line card should go on. If the Active LED goes  
on, the installation is complete; if the Active LED does not go on, proceed to the next step.  
Step 3  
If the Active LED still fails to go on, remove the Ethernet line card and try installing it in another  
available line card slot.  
If the Active LED goes on when the line card is installed in the new slot, suspect a failed backplane  
port in the original line card slot.  
If the Active LED and alphanumeric display LEDs still do not go on, halt the installation. Contact  
a service representative to report the faulty equipment and obtain further instructions.  
Step 4  
If an error message displays on the console terminal during the line card initialization, see the  
appropriate reference publication for error message definitions. If you experience other problems that  
you cannot solve, contact a service representative for assistance.  
For more information on troubleshooting and diagnostics, refer to the installation and configuration  
guide that came with your Cisco 12000 Series Router.  
Step 5  
Note  
If you perform online insertion or removal of the GBIC or SFP without shutting down the  
interface, a warning message is displayed on the console device.  
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Line Card Memory  
Line Card Memory  
This section contains information about the following:  
You can replace the route memory on Ethernet line cards. Route memory modules are installed into  
144-pin small-outline DIMM (SODIMM) sockets. Route memory runs the Cisco IOS software image  
and stores the updated network routing tables downloaded from the route processor.  
Table 20 provides information about the various hardware engines available with the Ethernet line cards.  
The engine determines where the memory is placed.  
Table 20  
Ethernet Line Card Engines  
Ethernet Line Card  
Hardware Engine  
8-Port Fast Ethernet  
Engine 1  
Gigabit Ethernet  
3-Port Gigabit Ethernet  
4-Port Gigabit Ethernet ISE  
10-Port 1-Gigabit Ethernet  
1-Port 10-Gigabit Ethernet  
Modular Gigabit Ethernet  
Engine 2  
Engine 3, Internet Services Engine (ISE)  
Engine 4+ Enhanced Services (ES)  
Line Card Memory Locations  
The following sections contain general line card memory information for each Ethernet line card:  
Memory removal and installation instructions are found in the “Removing and Installing Line Card  
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Line Card Memory  
Engine 2 Line Card Memory Locations  
Figure 45 shows the DIMM socket locations on an Engine 2 line card. This line card is equipped with  
eight DIMM sockets:  
Two route memory DIMM sockets  
Two pairs of packet memory DIMM sockets (RX and TX pairs)  
One pointer look-up (PLU) memory DIMM socket (not user serviceable)  
One table look-up (TLU) memory DIMM socket (not user serviceable)  
Figure 45  
Engine 2 Line Card Mem ory Locations  
1
2
3
4
TX  
RX  
TIVE  
C
A
CARRIER  
0
6
RX PKT  
5
OC-48/POS-SR-SC  
8
7
1
2
3
4
Route memory DIMM0  
Route memory DIMM1  
Packet memory TX DIMM0  
Packet memory TX DIMM1  
5
Packet memory RX DIMM0  
6
7
8
Packet memory RX DIMM1  
PLU DIMM (not user serviceable)  
TLU DIMM (not user serviceable)  
ISE Line Card Memory Locations  
Figure 46 shows the small outline DIMM (SODIMM) socket locations on an ISE line card. This line card  
is equipped with 10 SODIMM sockets:  
Two route memory SODIMM sockets  
Four packet memory sockets (not user serviceable)  
Four TLU/PLU memory sockets (not user serviceable)  
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Line Card Memory  
Figure 46  
ISE Line Card Mem ory Locations  
4
3
3
TX  
CLEAN  
WITH ALCOHOL  
CONNECT  
WIPES BEFORE  
CONNECTING  
RX  
OR  
0
CTIVE  
A
TX  
CARRIER  
U
A
R
X
P
K
T
RX  
WRAP  
ASS THR  
P
CTIVE  
A
CARRIER  
2
U
B
R
X
P
K
T
WRAP  
CLASS  
1
LASER PR  
ASS THR  
P
LASERPR  
PR  
ODUKT DER KLASSE  
1
ODUIT LASER DE CLASSE  
1
ODUCT  
TX  
PR  
ODUCT  
O
LASER DE CLASSE  
1
RX  
1
1
CTIVE  
A
TX  
CARRIER  
U
A
R
X
P
K
T
RX  
WRAP  
ASS THR  
P
CTIVE  
A
CARRIER  
U
B
R
X
P
K
T
WRAP  
ASS THR  
P
4OC12X/SRP-IR-LC  
4
1
2
Route memory SODIMM0  
Route memory SODIMM1  
3
4
Four packet memory SODIMM sockets (not field serviceable)  
Four TLU/PLU memory SODIMM sockets (not field  
serviceable)  
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Line Card Memory  
Engine 4 Line Card Memory Locations  
Figure 47 shows the DIMM socket locations on an Engine 4 line card. These line cards are equipped with  
five DIMM sockets:  
One route memory small-outline DIMM (SODIMM) socket  
Two pairs of packet memory DIMM sockets (not user serviceable)  
The route memory module is installed to a 144-pin SODIMM socket. Route memory runs the Cisco IOS  
software image and stores the updated network routing tables downloaded from the route processor.  
Figure 47  
Engine 4 Line Card Mem ory Locations  
1
2
CLEAN  
W
ITH  
CONNECT  
ALCO  
W
IPES BEFO  
HO  
CO  
L
OR  
NNEC  
R
E
TING  
TX  
RX  
MA  
TE  
A
CLASS  
1
LASER P
CTIVE  
CARRIER  
RX PKT  
LASERPR  
PR  
2
ODUKT DER KLASSE  
1
ODUIT LASER DE  
C
O
L
D
AS  
U
S
C
E
T
1
SYNC  
P
PR  
ASS  
ODUCT  
THR  
WRAPU  
O
LASER DE CLASSE  
1
OC192/SRP-SR-SC  
1
Route memory SODIMM  
2
Packet memory DIMMs (not user serviceable)  
Ethernet Line Card Route Memory Options  
Route memory runs the Cisco IOS software image and stores updated network routing tables  
downloaded from the route processor (RP). Line card route memory ranges from 128 MB to 256 MB.  
Table 21 lists the available route memory configurations and associated product numbers of the memory  
modules used for upgrading route memory on Ethernet line cards.  
Table 21  
Route Mem ory Configurations for Ethernet Line Cards  
Total Route Memory Cisco Product Number  
DIMM Module  
1 64-MB DIMM  
1 128-MB DIMM  
1 128-MB DIMM  
2 128-MB DIMMs  
Route Memory DIMM Sockets  
DIMM0 or DIMM1  
64 MB  
MEM-GRP/LC-64=1  
MEM-DFT-GRP/LC-128  
MEM-GRP/LC-128=  
MEM-GRP/LC-256=  
MEM-LC4-256=2  
128 MB  
128 MB  
256 MB  
256 MB  
DIMM0 or DIMM1  
DIMM0 or DIMM1  
DIMM0 and DIMM1  
1 256-MB SODIMM Varies  
1. This option adds a second 64-MB DIMM for a total of 128 MB for line cards that are equipped with 64 MB.  
2. This option is only compatible with the 4-Port Ethernet line cards and is for replacement only.  
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Line Card Memory  
If you are upgrading or replacing line card route and packet memory, refer to the Cisco XR 12000 Series  
Router Memory Replacement Instructions publication for installation procedures and the most  
up-to-date memory options.  
Ethernet Line Card Packet Memory Options  
Line card packet memory temporarily stores data packets awaiting switching decisions by the line card  
processor. Once the line card processor makes the switching decisions, the packets are propagated into  
the router switch fabric for transmission to the appropriate line card.  
Table 22 lists the packet memory options for Ethernet line cards.  
Table 22  
Ethernet Line Card Packet Mem ory Options  
Total Packet Memory1 Cisco Product Number DIMM Modules  
DIMM Sockets  
256 MB  
MEM-LC1-PKT-256=  
2 RX 64-MB DIMMs  
2 TX 64-MB DIMMs  
RX DIMM0 and RX  
DIMM1  
TX DIMM0 and TX  
DIMM1  
512 MB (upgrade)  
MEM-PKT-512-UPG=  
2 RX 128-MB DIMMs  
2 TX 128-MB DIMMs  
RX DIMM0 and RX  
DIMM1  
TX DIMM0 and TX  
DIMM1  
1. The SDRAM DIMMs installed in a given buffer (either receive or transmit) must be the same type and size, but the individual  
receive and transmit buffers can operate with different memory capacities.  
Removing and Installing Line Card Memory  
Before beginning the memory replacement procedures in this section, ensure that you have the proper  
tools and equipment at hand, and that you are using appropriate ESD-prevention equipment and  
techniques. Before removing or installing memory, observe the following guidelines:  
Route memory DIMMs  
Route memory DIMM0 socket must always be populated.  
For certain memory configurations, the route memory DIMM1 socket can remain empty.  
DIMMs must be 3.3V devices.  
Packet memory DIMMs  
All four DIMM sockets for SDRAM buffer memory must be populated.  
Both DIMM sockets for a given buffer pair (either those for the transmit buffer or those for the  
receive buffer) must be populated with SDRAM DIMMs of the same type and size.  
Size of the DIMMs in the transmit buffer need not match the size of the SDRAM DIMMs in the  
receive buffer.  
DIMMs must be 3.3V devices.  
Instructions are in the following sections:  
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Line Card Memory  
Removing a DIMM  
To remove a DIMM from a line card, follow these steps:  
Step 1  
Step 2  
Step 3  
Attach an ESD-preventive wrist or ankle strap and follow its instructions for use.  
Place the line card on an antistatic mat so that the faceplate is nearest to you.  
Locate the DIMM sockets on the line card.  
Note  
Some line cards use DIMM sockets equipped with dual release levers, as shown in Figure 48;  
other line cards use DIMM sockets equipped with a single release lever, as shown in Figure 49.  
Both DIMM sockets operate in the same general way.  
Figure 48  
DIMM Socket w ith Dual Release Levers  
Figure 49  
DIMM Socket w ith Single Release Lever  
Step 4  
Use the socket release levers to eject the DIMM.  
For a socket with dual release levers (see Figure 48), pull down both levers at the same time to eject  
the DIMM.  
or  
For a socket with a single release lever (see Figure 49), pull the lever to eject the DIMM.  
Caution  
Handle the edges of the DIMM only. Do not touch the integrated circuit devices on the DIMM, the metal  
traces, or fingers, along the edge of the DIMM, or the pins in the DIMM socket.  
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Line Card Memory  
Step 5  
As one end of the DIMM is released, grasp the top corners of the DIMM with the thumb and forefinger  
of each hand and pull the DIMM completely out of its socket.  
Step 6  
Step 7  
Immediately place the DIMM in an antistatic bag to protect it from ESD damage.  
Repeat Step 4 through Step 6 for any remaining DIMMs that you want to remove.  
Installing a DIMM  
This section contains instructions for installing DIMM memory into a line card.  
Note  
If you are upgrading packet memory, both DIMM sockets of a given pair (either the transmit buffer or  
the receive buffer) must be populated with a DIMM of the same type and size.  
To install DIMMs in a line card, follow these steps:  
Step 1  
Step 2  
Attach an ESD-preventive wrist or ankle strap and follow its instructions for use.  
Place the line card on an antistatic mat so that the faceplate is nearest to you.  
Caution  
To prevent router and memory problems, all DIMMs installed in the line card must be 3.3V devices.  
Remove the new DIMM from its protective antistatic bag.  
Step 3  
Step 4  
Grasp the edges of the DIMM only. Do not touch the integrated circuit devices on the DIMM, the metal  
traces, or fingers, along the edge of the DIMM, or the pins in the DIMM socket. (See Figure 50.)  
Step 5  
To position the DIMM for insertion, orient it at the same angle as the DIMM socket. The two notches  
(keys) on the bottom edge of the module ensure that the DIMM edge connector is registered properly in  
the socket. (See Figure 50.)  
If necessary, rock the DIMM back and forth gently to align it in the socket.  
Figure 50  
Handling a DIMM  
Key  
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Line Card Memory  
Caution  
When inserting DIMMs into a socket, apply firm, but not excessive, pressure. If you damage a DIMM  
socket, you must return the line card for repair.  
Step 6  
Step 7  
Gently insert the DIMM into the socket and push until the DIMM snaps into place and the release lever  
is flush against the side of the socket.  
Verify that the release lever is flush against the side of the socket. If it is not, the DIMM might not be  
seated properly. On a socket with dual release levers, both levers should be flush against the sides of the  
DIMM.  
If the module appears misaligned, carefully remove it and reseat it, ensuring that the release lever is flush  
against the side of the DIMM socket.  
Step 8  
Repeat Step 3 through Step 7 to install any remaining DIMMs for your memory configuration.  
Removing a SODIMM  
To remove a SODIMM, follow these steps:  
Step 1  
Step 2  
Step 3  
Step 4  
Attach an ESD-preventive wrist or ankle strap and follow its instructions for use.  
Place the line card on an antistatic mat so that the faceplate is nearest to you.  
Locate the route memory socket on the line card.  
If present, remove the SODIMM retaining clip from the memory module socket. Grasp the latch arm  
intersection located on each side of the clip and gently slide the clip out. (See Figure 51.) Save the  
retaining clip.  
Note  
Some line cards do not require a retaining clip.  
Caution  
If the retaining clip is bent or damaged, do not attempt to fix or reuse it. This can cause serious damage  
to the line card. Each SODIMM replacement ships with a spare retaining clip, in case there is any  
damage to the existing clip.  
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Line Card Memory  
Figure 51  
Rem ove Retaining Clip from Mem ory Module Socket  
Step 5  
Remove the SODIMM by gently moving the plastic latches in an outward direction, parallel to and away  
from the memory module, until it releases and rotates to a 45-degree angle. (See Figure 52 and  
Figure 53a.)  
Caution  
Caution  
The plastic latch on the SODIMM socket is enclosed by the metal strain-relief latch. The plastic latch  
should never be moved past the metal strain-relief latch.  
Handle the edges of the SODIMM only. Do not touch the integrated circuit devices on the SODIMM,  
the metal traces, or fingers, along the edge of the SODIMM, or the pins in the SODIMM socket.  
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Line Card Memory  
Figure 52  
Moving the Plastic Latch Away from the SODIMM  
Step 6  
As the SODIMM is released, it positions itself at a 45-degree angle. Gently pull the SODIMM module  
out of the socket. Continue to keep the module at a 45-degree angle until it is completely removed from  
the socket guides. (See Figure 53b.)  
Figure 53  
Rem oving a 144-pin SODIMM Module  
a
b
º
45  
Step 7  
Immediately place the SODIMM in an antistatic bag to protect it from ESD damage.  
Installing a SODIMM  
To install a SODIMM module, follow these steps:  
Step 1  
Step 2  
Step 3  
Attach an ESD-preventive wrist or ankle strap and follow its instructions for use.  
Place the line card on an antistatic mat so that the faceplate is nearest to you.  
If there is a retaining clip, check to make sure that it has not been damaged or bent. (See Figure 54.)  
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Line Card Memory  
Note  
Some line cards do not require a retaining clip.  
Figure 54  
SODIMM Socket Retaining Clip  
Caution  
If the retaining clip is damaged, do not use it. This can damage the SODIMM socket.  
Step 4  
Step 5  
Locate the route memory socket on the line card.  
Remove the new SODIMM from its protective antistatic bag.  
Caution  
Step 6  
Grasp the edges of the SODIMM only. Do not touch the integrated circuit devices on the SODIMM, the  
metal traces, or fingers, along the edge of the SODIMM, or the pins in the SODIMM socket.  
Line up the SODIMM key with the key in the board socket. (See Figure 55.)  
Figure 55  
SODIMM w ith Key in Face-Up Position  
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Line Card Memory  
Step 7  
Note  
The SODIMM must be lined up at a 45-degree angle. (See Figure 56a.)  
When the key is in the face-up position, the metal traces on the left side of the key measure 0.9 inch  
(23.20 mm). The metal traces on the right side of the key measure 1.29 inches (32.80 mm). The  
SODIMM can not be inserted until the keys are lined up properly.  
Step 8  
Place both thumbs at the end of the socket and use your index fingers to guide the module into the socket  
until it is fully seated.  
Be sure your index fingers are located on the outer corners of the SODIMM to maintain even pressure  
when the module is being seated in the socket.  
Figure 56  
Inserting a 144-pin SODIMM Module  
a
b
º
45  
Step 9  
Gently press the SODIMM down using your index fingers, distributing even pressure across the module  
until it locks into the tabs. (See Figure 56b.)  
Caution  
Excessive pressure can damage a SODIMM socket.  
Step 10 Verify that the release levers are flush against the side of the socket. If they are not, the SODIMM might  
not be seated properly.  
Step 11 If the module appears misaligned, carefully remove it and reseat it, ensuring that the release lever is flush  
against the side of the SODIMM socket.  
Step 12 If there is a retaining clip, insert it by sliding the clip between the metal strain relief and the plastic latch.  
(See Figure 57.)  
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Line Card Memory  
Figure 57  
Inserting the Retaining Clip  
The clip is properly installed when the clip detente protrudes below the strain relief and plastic latch.  
(See Figure 58.)  
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Line Card Memory  
Figure 58  
Retaining Clip Com pletely Installed into Module Latch  
Checking the Installation of Line Card Memory  
After you install line card memory and reinstall the line card in the router, the router reinitializes the line  
card and detects the memory change as part of the reinitialization cycle. The time required for the router  
to initialize can vary with different router configurations and memory configurations.  
If the line card does not reinitialize properly after you upgrade memory, or if the console terminal  
displays a checksum or memory error, verify that you installed the correct DIMMs and that they are  
installed correctly on the line card.  
To check the installation of line card memory, follow these steps:  
Step 1  
Step 2  
Check the packet memory DIMMs to verify that both DIMMs are the same type, size, and speed. DIMMs  
must operate at 60 ns or faster. The speed of the DIMM is printed along one of its edges.  
Check the alignment of the DIMMs by looking at them across the horizontal plane of the card. The  
DIMMs should be aligned at the same angle and be fully inserted into their respective sockets. If a  
DIMM is not correctly aligned, remove it and reinsert it.  
Step 3  
Reinstall the line card and perform another installation check.  
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Regulatory, Compliance, and Safety Information  
If the router fails to restart properly after several attempts and you are unable to resolve the problem,  
access Cisco.com or contact your Cisco service representative for assistance. Before calling, however,  
make note of any console error messages, unusual LED states, or other router indications or behaviors  
that might help to resolve the problem.  
Regulatory, Compliance, and Safety Information  
This section includes regulatory, compliance, and safety information in the following sections:  
Translated Safety Warnings and Agency Approvals  
The complete list of translated safety warnings and agency approvals is available in the Regulatory  
Compliance and Safety Information for Cisco 12000 Series Internet Routers publication.  
(Document Number 78-4347-xx.)  
Electromagnetic Compatibility Regulatory Statements  
This section contains the following information:  
FCC Class A Compliance  
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant  
to part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful  
interference when the equipment is operated in a commercial environment. This equipment generates,  
uses, and can radiate radio-frequency energy and, if not installed and used in accordance with the  
instruction manual, may cause harmful interference to radio communications. Operation of this  
equipment in a residential area is likely to cause harmful interference, in which case users will be  
required to correct the interference at their own expense.  
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Regulatory, Compliance, and Safety Information  
Modifying the equipment without Cisco’s authorization may result in the equipment no longer  
complying with FCC requirements for Class A digital devices. In that event, your right to use the  
equipment may be limited by FCC regulation and you may be required to correct any interference to  
radio or television communication at your own expense.  
You can determine whether your equipment is causing interference by turning it off. If the interference  
stops, it was probably caused by the Cisco equipment or one of its peripheral devices. If the equipment  
causes interference to radio or television reception, try to correct the interference by using one or more  
of the following measures:  
Turn the television or radio antenna until the interference stops.  
Move the equipment to one side or the other of the television or radio.  
Move the equipment farther away from the television or radio.  
Plug the equipment into an outlet that is on a different circuit from the television or radio. (That is,  
make certain the equipment and the television or radio are on circuits controlled by different circuit  
breakers or fuses.)  
CISPR 22  
Canada  
This apparatus complies with CISPR 22/EN55022 Class B radiated and conducted emissions  
requirements.  
English Statement of Compliance  
This class A digital apparatus complies with Canadian ICES-003.  
French Statement of Compliance  
Cet appareil numérique de la classe A est conforme à la norme NMB-003 du Canada.  
Europe (EU)  
This apparatus complies with EN55022 Class B and EN55024 standards when used as ITE/TTE  
equipment, and EN300386 for Telecommunications Network Equipment (TNE) in both installation  
environments, telecommunication centers and other indoor locations.  
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Regulatory, Compliance, and Safety Information  
Class A Notice for Hungary  
Warning  
This equipment is a class A product and should be used and installed properly according to the  
Hungarian EMC Class A requirements (MSZEN55022). Class A equipment is designed for typical  
commercial establishments for which special conditions of installation and protection distance are  
used.  
Class A Notice for Taiwan and Other Traditional Chinese Markets  
Warning  
This is a Class A Information Product, when used in residential environment, it may cause radio  
frequency interference, under such circumstances, the user may be requested to take appropriate  
countermeasures. Statement 257  
VCCI Class A Notice for Japan  
Warning  
This is a Class A product based on the standard of the Voluntary Control Council for Interference by  
Information Technology Equipment (VCCI). If this equipment is used in a domestic environment, radio  
disturbance may arise. When such trouble occurs, the user may be required to take corrective  
actions. Statement 191  
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Regulatory, Compliance, and Safety Information  
Class A Notice for Korea  
Warning  
This is a Class A Device and is registered for EMC requirements for industrial use. The seller or  
buyer should be aware of this. If this type was sold or purchased by mistake, it should be replaced  
with a residential-use type. Statement 294  
Laser Safety  
Single-mode Ethernet line cards (all of the line cards except 8-Port Fast Ethernet) are equipped with a  
Class 1 laser. Multimode Ethernet line cards (Gigabit Ethernet and 4-Port Gigabit Ethernet ISE) are  
equipped with a Class 1 LED. These devices emit invisible radiation. Do not stare into operational line  
card ports. The following laser warnings apply to the Ethernet line cards:  
Class 1 Laser Product Warning (Single-mode)  
Warning  
Class 1 laser product.  
Class 1 LED Product Warning (Multimode)  
Warning  
Class 1 LED product.  
General Laser Warning  
Warning  
Invisible laser radiation can be emitted from the aperture of the port when no cable is connected.  
Avoid exposure to laser radiation and do not stare into open apertures.  
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Obtaining Documentation  
For translated safety warnings, refer to the Regulatory Compliance and Safety Information for  
Cisco 12000 Series Internet Routers publication (Document Number 78-4347-xx).  
Obtaining Documentation  
Cisco documentation and additional literature are available on Cisco.com. Cisco also provides several  
ways to obtain technical assistance and other technical resources. These sections explain how to obtain  
technical information from Cisco Systems.  
Cisco.com  
You can access the most current Cisco documentation at this URL:  
You can access the Cisco website at this URL:  
You can access international Cisco websites at this URL:  
Documentation DVD  
Cisco documentation and additional literature are available in a Documentation DVD package, which  
may have shipped with your product. The Documentation DVD is updated regularly and may be more  
current than printed documentation. The Documentation DVD package is available as a single unit.  
Registered Cisco.com users (Cisco direct customers) can order a Cisco Documentation DVD (product  
number DOC-DOCDVD=) from the Ordering tool or Cisco Marketplace.  
Cisco Ordering tool:  
Cisco Marketplace:  
Ordering Documentation  
You can find instructions for ordering documentation at this URL:  
You can order Cisco documentation in these ways:  
Registered Cisco.com users (Cisco direct customers) can order Cisco product documentation from  
the Ordering tool:  
Nonregistered Cisco.com users can order documentation through a local account representative by  
calling Cisco Systems Corporate Headquarters (California, USA) at 408 526-7208 or, elsewhere in  
North America, by calling 1 800 553-NETS (6387).  
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Documentation Feedback  
Documentation Feedback  
You can send comments about technical documentation to [email protected].  
You can submit comments by using the response card (if present) behind the front cover of your  
document or by writing to the following address:  
Cisco Systems  
Attn: Customer Document Ordering  
170 West Tasman Drive  
San Jose, CA 95134-9883  
We appreciate your comments.  
Cisco Product Security Overview  
Cisco provides a free online Security Vulnerability Policy portal at this URL:  
From this site, you can perform these tasks:  
Report security vulnerabilities in Cisco products.  
Obtain assistance with security incidents that involve Cisco products.  
Register to receive security information from Cisco.  
A current list of security advisories and notices for Cisco products is available at this URL:  
If you prefer to see advisories and notices as they are updated in real time, you can access a Product  
Security Incident Response Team Really Simple Syndication (PSIRT RSS) feed from this URL:  
Reporting Security Problems in Cisco Products  
Cisco is committed to delivering secure products. We test our products internally before we release them,  
and we strive to correct all vulnerabilities quickly. If you think that you might have identified a  
vulnerability in a Cisco product, contact PSIRT:  
Emergencies[email protected]  
Nonemergencies[email protected]  
Tip  
We encourage you to use Pretty Good Privacy (PGP) or a compatible product to encrypt any sensitive  
information that you send to Cisco. PSIRT can work from encrypted information that is compatible with  
PGP versions 2.x through 8.x.  
Never use a revoked or an expired encryption key. The correct public key to use in your correspondence  
with PSIRT is the one that has the most recent creation date in this public key server list:  
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Obtaining Technical Assistance  
In an emergency, you can also reach PSIRT by telephone:  
1 877 228-7302  
1 408 525-6532  
Obtaining Technical Assistance  
For all customers, partners, resellers, and distributors who hold valid Cisco service contracts, Cisco  
Technical Support provides 24-hour-a-day, award-winning technical assistance. The Cisco Technical  
Support Website on Cisco.com features extensive online support resources. In addition, Cisco Technical  
Assistance Center (TAC) engineers provide telephone support. If you do not hold a valid Cisco service  
contract, contact your reseller.  
Cisco Technical Support Website  
The Cisco Technical Support Website provides online documents and tools for troubleshooting and  
resolving technical issues with Cisco products and technologies. The website is available 24 hours a day,  
365 days a year, at this URL:  
Access to all tools on the Cisco Technical Support Website requires a Cisco.com user ID and password.  
If you have a valid service contract but do not have a user ID or password, you can register at this URL:  
Note  
Use the Cisco Product Identification (CPI) tool to locate your product serial number before submitting  
a web or phone request for service. You can access the CPI tool from the Cisco Technical Support  
Website by clicking the Tools & Resources link under Documentation & Tools. Choose Cisco Product  
Identification Tool from the Alphabetical Index drop-down list, or click the Cisco Product  
Identification Tool link under Alerts & RMAs. The CPI tool offers three search options: by product ID  
or model name; by tree view; or for certain products, by copying and pasting show command output.  
Search results show an illustration of your product with the serial number label location highlighted.  
Locate the serial number label on your product and record the information before placing a service call.  
Submitting a Service Request  
Using the online TAC Service Request Tool is the fastest way to open S3 and S4 service requests. (S3  
and S4 service requests are those in which your network is minimally impaired or for which you require  
product information.) After you describe your situation, the TAC Service Request Tool provides  
recommended solutions. If your issue is not resolved using the recommended resources, your service  
request is assigned to a Cisco TAC engineer. The TAC Service Request Tool is located at this URL:  
For S1 or S2 service requests or if you do not have Internet access, contact the Cisco TAC by telephone.  
(S1 or S2 service requests are those in which your production network is down or severely degraded.)  
Cisco TAC engineers are assigned immediately to S1 and S2 service requests to help keep your business  
operations running smoothly.  
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Obtaining Additional Publications and Information  
To open a service request by telephone, use one of the following numbers:  
Asia-Pacific: +61 2 8446 7411 (Australia: 1 800 805 227)  
EMEA: +32 2 704 55 55  
USA: 1 800 553-2447  
For a complete list of Cisco TAC contacts, go to this URL:  
Definitions of Service Request Severity  
To ensure that all service requests are reported in a standard format, Cisco has established severity  
definitions.  
Severity 1 (S1)—Your network is “down,” or there is a critical impact to your business operations. You  
and Cisco will commit all necessary resources around the clock to resolve the situation.  
Severity 2 (S2)—Operation of an existing network is severely degraded, or significant aspects of your  
business operation are negatively affected by inadequate performance of Cisco products. You and Cisco  
will commit full-time resources during normal business hours to resolve the situation.  
Severity 3 (S3)—Operational performance of your network is impaired, but most business operations  
remain functional. You and Cisco will commit resources during normal business hours to restore service  
to satisfactory levels.  
Severity 4 (S4)—You require information or assistance with Cisco product capabilities, installation, or  
configuration. There is little or no effect on your business operations.  
Obtaining Additional Publications and Information  
Information about Cisco products, technologies, and network solutions is available from various online  
and printed sources.  
Cisco Marketplace provides a variety of Cisco books, reference guides, and logo merchandise. Visit  
Cisco Marketplace, the company store, at this URL:  
Cisco Press publishes a wide range of general networking, training and certification titles. Both new  
and experienced users will benefit from these publications. For current Cisco Press titles and other  
information, go to Cisco Press at this URL:  
Packet magazine is the Cisco Systems technical user magazine for maximizing Internet and  
networking investments. Each quarter, Packet delivers coverage of the latest industry trends,  
technology breakthroughs, and Cisco products and solutions, as well as network deployment and  
troubleshooting tips, configuration examples, customer case studies, certification and training  
information, and links to scores of in-depth online resources. You can access Packet magazine at  
this URL:  
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Obtaining Additional Publications and Information  
iQ Magazine is the quarterly publication from Cisco Systems designed to help growing companies  
learn how they can use technology to increase revenue, streamline their business, and expand  
services. The publication identifies the challenges facing these companies and the technologies to  
help solve them, using real-world case studies and business strategies to help readers make sound  
technology investment decisions. You can access iQ Magazine at this URL:  
Internet Protocol Journal is a quarterly journal published by Cisco Systems for engineering  
professionals involved in designing, developing, and operating public and private internets and  
intranets. You can access the Internet Protocol Journal at this URL:  
World-class networking training is available from Cisco. You can view current offerings at  
this URL:  
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Obtaining Additional Publications and Information  
This document is to be used in conjunction with the installation guide for your Cisco XR 12000 Series Router.  
CCSP, CCVP, the Cisco Square Bridge logo, Follow Me Browsing, and StackWise are trademarks of Cisco Systems, Inc.; Changing the Way We  
Work, Live, Play, and Learn, and iQuick Study are service marks of Cisco Systems, Inc.; and Access Registrar, Aironet, ASIST, BPX, Catalyst,  
CCDA, CCDP, CCIE, CCIP, CCNA, CCNP, Cisco, the Cisco Certified Internetwork Expert logo, Cisco IOS, Cisco Press, Cisco Systems, Cisco  
Systems Capital, the Cisco Systems logo, Cisco Unity, Empowering the Internet Generation, Enterprise/Solver, EtherChannel, EtherFast,  
EtherSwitch, Fast Step, FormShare, GigaDrive, GigaStack, HomeLink, Internet Quotient, IOS, IP/TV, iQ Expertise, the iQ logo, iQ Net Readiness  
Scorecard, LightStream, Linksys, MeetingPlace, MGX, the Networkers logo, Networking Academy, Network Registrar, Packet, PIX, Post-Routing,  
Pre-Routing, ProConnect, RateMUX, ScriptShare, SlideCast, SMARTnet, StrataView Plus, TeleRouter, The Fastest Way to Increase Your Internet  
Quotient, and TransPath are registered trademarks of Cisco Systems, Inc. and/or its affiliates in the United States and certain other countries.  
All other trademarks mentioned in this document or Website are the property of their respective owners. The use of the word partner does not imply  
a partnership relationship between Cisco and any other company. (0502R)  
Copyright © 2005 Cisco Systems, Inc. All rights reserved.  
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