Ca t a lys t Gig a S t a ck Gig a b it
In t e rfa c e Co nve rt e r Ha rd w a re
In s t a lla t io n Gu id e
March 2002
Co rp o ra t e He a d q u a rt e rs
Cisco System s, Inc.
170 West Tasm an Drive
San J ose, CA 95134-1706
USA
Tel: 408 526-4000
800 553-NETS (6387)
Fax: 408 526-4100
Customer Order Number: DOC-786460=
Text Part Num ber: 78-6460-04
Catalyst GigaStack Gigabit Interface Converter Hardware Installation Guide
Copyright © 1999–2002, Cisco Systems, Inc.
All rights reserved.
C O N T E N T S
Cisco Limited Lifetime Hardware Warranty Terms ix
Preface xiii
Purpose xiii
Organization xiv
Related Publications xvii
Obtaining Documentation xviii
World Wide Web xviii
Documentation CD-ROM xix
Ordering Documentation xix
Documentation Feedback xix
Obtaining Technical Assistance xx
Cisco.com xx
C H A P T E R
1
Overview 1-1
Features 1-1
GigaStack GBIC LEDs 1-2
GBIC Module Slot LEDs 1-3
Cabling Guidelines 1-5
Switches Supporting the GBIC 1-6
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Contents
C H A P T E R
2
Installation 2-1
Inspecting the Packing List 2-1
EMC Regulatory Statements 2-2
U.S.A. 2-2
Point-to-Point Connections 2-10
Cascaded Stack Connections 2-11
Cascaded Stack Connections with a Redundant Link 2-12
Removing a GigaStack GBIC 2-13
Power-On Self-Test 2-14
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Contents
C H A P T E R
A P P E N D I X
A P P E N D I X
3
B
Connectors and Cables B-1
GigaStack GBIC Cabling B-1
A P P E N D I X
C
Translated Safety Warnings C-1
Product Disposal C-1
I
N D E X
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Contents
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Cisco Limited Lifetime Hardware
Warranty Terms
There are special terms applicable to your hardware warranty as well as services
you may use during the warranty period. Your formal Warranty Statement,
including the warranty applicable to Cisco software, appears in the CD which
accompanies your Cisco Product. Follow these steps to access and download the
Cisco Information Packet and your warranty document from the CD or from
Cisco.com.
1. Launch your browser and go to the following URL:
The Warranties and License Agreement page appears.
2. To view the Cisco Information Packet, perform these steps:
a. Click the Information Packet Number field and make sure that the part
number 78-5235-02C0 is highlighted.
b. Select the language to view the document.
c. Click Go. The Information Packet page appears.
d. From this page you can review the document online or click the PDF icon
to download and print the document in Adobe Portable Data File (PDF)
format.
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Cisco Limited Lifetime Hardware Warranty Terms
Note
You must have Adobe Acrobat Reader in order to view and print
a PDF file. If you do not have the viewer, click the Get Acrobat
Reader icon at the bottom of the page to go to the Adobe.com
website and download the reader.
3. To view translated and/or localized warranty information about your product,
follow these steps:
a. Enter the following part number in the Warranty Document Number
field:
78-6310-02C0
b. Select the language to view the document.
c. Click Go. The Cisco Warranty page appears.
From this page you can review the document online or click the PDF icon to
download and print the document in Adobe Portable Data File (PDF) format.
You may also contact our Service and Support website for assistance at:
Duration of Hardware Warranty
As long as the original End User continues to own or use the Product, provided
that: fan and power supply warranty is limited to five (5) years. In the event of
discontinuance of product manufacture, Cisco warranty support is limited to five
(5) years from the announcement of discontinuance.
Replacement, Repair or Refund Procedure for Hardware
Cisco or its service center will use commercially reasonable efforts to ship a
replacement part within ten (10) working days after receipt of the RMA request.
Actual delivery times may vary depending on Customer location.
Cisco reserves the right to refund the purchase price as its exclusive warranty
remedy.
To Receive a Return Materials Authorization (RMA) Number
Please contact the party from whom you purchased the product. If you purchased
the product directly from Cisco, contact your Cisco Sales and Service
Representative.
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Cisco Limited Lifetime Hardware Warranty Terms
Complete the information below and keep for ready reference.
Product purchased from:
Their telephone number:
Product Model and Serial number:
Maintenance Contract number:
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Cisco Limited Lifetime Hardware Warranty Terms
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Preface
Audience
This guide is for the technician installing the GigaStack Gigabit Interface
Converter (GBIC), hereafter referred to as the GigaStack GBIC. Before using this
guide, make sure that you are familiar with the concepts and terminology of
Ethernet and local-area networking.
Purpose
This guide describes how to install the GigaStack GBIC and troubleshoot
problems associated with its installation.
Note
The GigaStack GBICs and their ports are managed through one of the
management interfaces of a Gigabit-capable switch. For more information about
managing GigaStack GBICs, refer to the software configuration guides for the
Catalyst 2900 series XL, the Catalyst 2950, the Catalyst 3500 series XL, and the
Catalyst 3550 multilayer switches.
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Preface
Organization
Organization
This guide is organized into the following chapters:
description, and shows how the GigaStack GBICs can be deployed in real
networks.
Chapter 2, “Installation,” explains how to install the GigaStack GBIC.
installation and cabling problems.
Appendix A, “Technical Specifications,” lists the physical and environmental
specifications and the regulatory agency approvals.
Appendix B, “Connectors and Cables,” describes the cables and connectors that
can connect to the GigaStack GBIC ports.
Appendix C, “Translated Safety Warnings,” contains translations of the warnings
in this guide.
Notes, Cautions, and Warnings
Notes, cautions, and warnings use the following conventions and symbols:
Note
Means reader take note. Notes contain helpful suggestions or references to
materials not contained in this manual.
Caution
Means reader be careful. In this situation, you might do something that could
result in equipment damage or loss of data.
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Preface
Notes, Cautions, and Warnings
Warning
This warning symbol means danger. You are in a situation that could cause
bodily injury. Before you work on any equipment, be aware of the hazards
involved with electrical circuitry and be familiar with the standard practices
for preventing accidents. The warning symbol also means that you can see the
Waarschuwing
Dit waarschuwingssymbool betekent gevaar. U verkeert in een
situatie die lichamelijk letsel kan veroorzaken. Voordat u aan
enige apparatuur gaat werken, dient u zich bewust te zijn van de
bij elektrische schakelingen betrokken risico's en dient u op de
hoogte te zijn van standaard maatregelen om ongelukken te
voorkomen. Het waarschuwingssymbool betekent ook dat u de
Safety Warnings” kunt vinden.
Varoitus
Tämä varoitusmerkki merkitsee vaaraa. Olet tilanteessa, joka voi
johtaa ruumiinvammaan. Ennen kuin työskentelet minkään
laitteiston parissa, ota selvää sähkökytkentöihin liittyvistä
vaaroista ja tavanomaisista onnettomuuksien ehkäisykeinoista.
Varoitusmerkki tarkoittaa myös sitä, että varoitus esiintyy useilla
kielillä osassa Appendix C, “Translated Safety Warnings.”
Attention
Ce symbole d'avertissement indique un danger. Vous vous trouvez
dans une situation pouvant causer des blessures ou des
dommages corporels. Avant de travailler sur un équipement,
soyez conscient des dangers posés par les circuits électriques et
familiarisez-vous avec les procédures couramment utilisées
pour éviter les accidents. Le symbole d'avertissement signifie
également que cet avis se trouve traduit dans plusieurs langues
dans la section «Appendix C, “Translated Safety Warnings”».
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Preface
Notes, Cautions, and Warnings
Warnung
Dieses Warnsymbol bedeutet Gefahr. Sie befinden sich in einer
Situation, die zu einer Körperverletzung führen könnte. Bevor Sie
mit der Arbeit an irgendeinem Gerät beginnen, seien Sie sich der
mit elektrischen Stromkreisen verbundenen Gefahren und der
Standardpraktiken zur Vermeidung von Unfällen bewußt. Das
Warnsymbol bedeutet auch, daß Sie die Warnung in
verschiedenen Sprachen unter Appendix C, “Translated Safety
Avvertenza
Advarsel
Aviso
Questo simbolo di avvertenza indica un pericolo. La situazione
potrebbe causare infortuni alle persone. Prima di lavorare su
qualsiasi apparecchiatura, occorre conoscere i pericoli relativi
ai circuiti elettrici ed essere al corrente delle pratiche standard
per la prevenzione di incidenti. Il simbolo di avvertenza indica
Dette varselsymbolet betyr fare. Du befinner deg i en situasjon
som kan føre til personskade. Før du utfører arbeid på utstyr, må
du vare oppmerksom på de faremomentene som elektriske
kretser innebærer, samt gjøre deg kjent med vanlig praksis når
det gjelder å unngå ulykker. Dette varselsymbolet betyr også at
du kan lese advarselen på flere språk i «Appendix C, “Translated
Safety Warnings”».
Este símbolo de aviso indica perigo. Encontra-se numa situação
que lhe poderá causar danos físicos. Antes de começar a
trabalhar com qualquer equipamento, familiarize-se com os
perigos relacionados com circuitos eléctricos, e com quaisquer
práticas comuns que possam prevenir possíveis acidentes. Este
símbolo serve também para indicar que poderá ler este tipo de
aviso em várias línguas na secção: “Appendix C, “Translated
Safety Warnings.”
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Preface
Related Publications
¡Atención!
Este símbolo de aviso significa peligro. Existe riesgo para su
integridad física. Antes de manipular cualquier equipo,
considerar los riesgos que entraña la corriente eléctrica y
familiarizarse con los procedimientos estándar de prevención de
accidentes. Este símbolo de aviso también significa que la
Varning!
Denna varningssymbol signalerar fara. Du befinner dig i en
situation som kan leda till personskada. Innan du utför arbete på
någon utrustning måste du vara medveten om farorna med
elkretsar och känna till vanligt förfarande för att förebygga
skador. Denna varningssymbol innebär också att du kan se
varningsmeddelandet på flera språk i “Appendix C, “Translated
Safety Warnings.”
Related Publications
You can order printed copies of documents with a DOC-xxxxxx= number. For
more information, see the “Ordering Documentation” section on page xix.
These publications provide more information about the switches that support the
GigaStack GBIC:
•
Catalyst 2900 Series XL Hardware Installation Guide (order number
DOC-786461=)
•
Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration
Guide (order number DOC-786511=) (previously titled Cisco IOS Desktop
Switching Software Configuration Guide)
•
Catalyst 2900 Series XL and Catalyst 3500 Series XL Command Reference
(order number DOC-7812155=) (previously titled Cisco IOS Desktop
Switching Command Reference)
•
•
Catalyst 2950 Desktop Switch Hardware Installation Guide (order number
DOC-7811157=)
Catalyst 2950 Desktop Switch Software Configuration Guide (order number
DOC-78111380=)
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Preface
Obtaining Documentation
•
Catalyst 2950 Desktop Switch Command Reference (order number
DOC-78111381=)
•
•
•
•
•
•
Catalyst 3500 Series XL Hardware Installation Guide (order number
DOC-786456=)
Catalyst 3550 Multilayer Switch Hardware Installation Guide (order number
DOC-7811358=)
Catalyst 3550 Multilayer Switch Software Configuration Guide (order
number DOC-7811194=)
Catalyst 3550 Multilayer Switch Command Reference (order number
DOC-7811195=)
Catalyst 3550 Multilayer Switch System Message Guide (order number
DOC-7811196=)
Release Notes for the Catalyst 2900 Series XL and Catalyst 3500 Series XL
Switches Cisco IOS Release 12.0(5.1)WC(1) or later
•
•
Release Notes for the Catalyst 2950 Cisco IOS Release 12.1(6)EA2 or later
Release Notes for the Catalyst 3550 Multilayer Switches Cisco IOS Release
12.1(4)EA1 or later
Refer to the online Catalyst GigaStack Gigabit Interface Converter Switch
Compatibility Matrix listed with the GigaStack GBIC documentation on
Obtaining Documentation
These sections provide sources for obtaining documentation from Cisco Systems.
World Wide Web
You can access the most current Cisco documentation on the World Wide Web at
the following sites:
•
•
•
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Preface
Obtaining Documentation
Documentation CD-ROM
Cisco documentation and additional literature are available in a CD-ROM
package, which ships with your product. The Documentation CD-ROM is updated
monthly and may be more current than printed documentation. The CD-ROM
package is available as a single unit or as an annual subscription.
Ordering Documentation
Cisco documentation is available in the following ways:
•
•
•
Registered Cisco Direct Customers can order Cisco Product documentation
from the Networking Products MarketPlace:
Registered Cisco.com users can order the Documentation CD-ROM through
the online Subscription Store:
Nonregistered Cisco.com users can order documentation through a local
account representative by calling Cisco corporate headquarters (California,
USA) at 408 526-7208 or, in North America, by calling
800 553-NETS(6387).
Documentation Feedback
If you are reading Cisco product documentation on the World Wide Web, you can
submit technical comments electronically. Click Feedback in the toolbar and
select Documentation. After you complete the form, click Submit to send it to
Cisco.
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Preface
Obtaining Technical Assistance
To submit your comments by mail, for your convenience many documents contain
a response card behind the front cover. Otherwise, you can mail your comments
to the following address:
Cisco Systems, Inc.
Document Resource Connection
170 West Tasman Drive
San Jose, CA 95134-9883
We appreciate your comments.
Obtaining Technical Assistance
Cisco provides Cisco.com as a starting point for all technical assistance.
Customers and partners can obtain documentation, troubleshooting tips, and
sample configurations from online tools. For Cisco.com registered users,
additional troubleshooting tools are available from the TAC website.
Cisco.com
Cisco.com is the foundation of a suite of interactive, networked services that
provides immediate, open access to Cisco information and resources at anytime,
from anywhere in the world. This highly integrated Internet application is a
powerful, easy-to-use tool for doing business with Cisco.
Cisco.com provides a broad range of features and services to help customers and
partners streamline business processes and improve productivity. Through
Cisco.com, you can find information about Cisco and our networking solutions,
services, and programs. In addition, you can resolve technical issues with online
technical support, download and test software packages, and order Cisco learning
materials and merchandise. Valuable online skill assessment, training, and
certification programs are also available.
Customers and partners can self-register on Cisco.com to obtain additional
personalized information and services. Registered users can order products, check
on the status of an order, access technical support, and view benefits specific to
their relationships with Cisco.
To access Cisco.com, go to the following website:
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Preface
Obtaining Technical Assistance
Technical Assistance Center
The Cisco TAC website is available to all customers who need technical
assistance with a Cisco product or technology that is under warranty or covered
by a maintenance contract.
Contacting TAC through the Website
If you have a priority level 3 (P3) or priority level 4 (P4) problem, contact TAC
by going to the TAC website:
P3 and P4 level problems are defined as follows:
•
P3—Your network performance is degraded. Network functionality is
noticeably impaired, but most business operations continue.
•
P4—You need information or assistance on Cisco product capabilities,
product installation, or basic product configuration.
In each of the above cases, use the Cisco TAC website to quickly find answers to
your questions.
To register for Cisco.com, go to the following website:
If you cannot resolve your technical issue by using the TAC online resources,
Cisco.com registered users can open a case online by using the TAC Case Open
tool at the following website:
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Preface
Obtaining Technical Assistance
Contacting TAC by Telephone
If you have a priority level 1(P1) or priority level 2 (P2) problem, contact TAC by
telephone and immediately open a case. To obtain a directory of toll-free numbers
for your country, go to the following website:
P1 and P2 level problems are defined as follows:
•
P1—Your production network is down, causing a critical impact to business
operations if service is not restored quickly. No workaround is available.
•
P2—Your production network is severely degraded, affecting significant
aspects of your business operations. No workaround is available.
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C H A P T E R
1
Overview
The GigaStack GBIC (model WS-X3500-XL) adds port density and
high-performance connectivity to supporting switches. When installed in a
supporting switch, the GigaStack GBIC supports Gigabit connections in a
cascaded stack or point-to-point configuration. The GigaStack GBIC
autonegotiates the duplex setting of each port to maximize the bandwidth for your
configuration.
Features
This section describes the GigaStack GBIC features:
•
Half-duplex stacking using only one GBIC slot for each switch
Stack up to nine switches to form an independent backbone that can be
managed with a single IP address. This stack gives the appearance of a single
see the “Example 1: Cascaded Stack Connection” section on page 1-9.
•
Full-duplex connectivity between two switches
You can also form a point-to-point link between two switches. The GigaStack
GBIC supports one full-duplex link (in a point-to-point configuration) or up
to eight half-duplex links (in a stack configuration) to other Gigabit Ethernet
devices. For this kind of connectivity, see the “Example 2: Point-to-Point
Connection” section on page 1-10.
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Chapter 1 Overview
GigaStack GBIC LEDs
•
•
Support for redundant loop configurations in a GigaStack GBIC stack
For more information, see the “Minimum IOS Release for Redundant Loop
Configurations” section on page 1-7 and the “Cascaded Stack Connections
with a Redundant Link” section on page 2-12
Support for IOS Release 12.0(5)XU or later for Catalyst 2900 XL and
3500 XL switches, support for Release 12.1(6)EA2 or later for Catalyst 2950
switches, and support for Release 12.1(4)EA1 or later for Catalyst 3550
multilayer switches
•
•
Management through the Cisco IOS command-line interface (CLI) or the
Field-replaceable
GigaStack GBIC LEDs
Figure 1-1 shows the LED locations on the GigaStack GBIC, and Table 1-1
describes the LED colors and their meanings.
Figure 1-1 GigaStack GBIC LEDs and Ports
LEDs
1
2
Two GigaStack GBIC
ports
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Chapter 1 Overview
GBIC Module Slot LEDs
Table 1-1
GigaStack GBIC LEDs
Color
Off
Meaning
No link.
Green
Link present. This link occurs if there is connectivity with
another network device and the GigaStack GBIC port.
Amber
Power-on self-test (POST) failure or use of an incorrect
cable.
Flashing amber
Loop detection activated.
GBIC Module Slot LEDs
Figure 1-2 shows the GBIC module slot LED on the front of a supporting switch,
and Figure 1-3 shows the GBIC LED location when the GigaStack GBIC is
installed in the 1000BASE-X module.
Figure 1-2 GBIC Module Slot LED Location on a Sw itch
GBIC module slot LED
Metal flap door
GBIC module slot
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Chapter 1 Overview
Cabling Guidelines
Figure 1-3 GBIC LED Location on a 1000BASE-X Module
GBIC LED
Tighten
Scre
ws
To Activ
ate
X
1
WS-X2931-XL
2
GigaStack GBIC
Table 1-2 describes the switch and 1000BASE-X module GBIC slot LED colors
and port status.
Table 1-2
Sw itch and 1000BASE-X Module GBIC Slot LEDs
Color
Off
Meaning
No link, or port was administratively shut down.
Link present.
Green
Flashing green
Activity. Port is transmitting or receiving data.
Alternating
green-amber
Link fault. Error frames can affect connectivity, and errors
such as excessive collisions, cyclic redundancy check
(CRC) errors, and alignment and jabber errors are
monitored for a link-fault indication.
Solid amber
Port is blocked by Spanning Tree Protocol (STP) and is not
forwarding data.
Note
After a port is reconfigured, the port LED can
remain amber for up to 30 seconds as STP checks
the switch for possible loops.
Flashing amber
Port is blocked by STP and is sending or receiving packets.
Cabling Guidelines
The GigaStack GBIC uses the following Cisco proprietary cables. See Figure 1-4
and Table 1-3 for more information.
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Chapter 1 Overview
Cabling Guidelines
The maximum distance for a GBIC-to-GBIC connection is 1 meter. The
GigaStack GBIC requires Cisco proprietary signaling and cabling. For more
information about cabling, see Appendix B, “Connectors and Cables.”
Figure 1-4 GigaStack GBIC Cables
1 3
4 9 3 1
50-cm GigaStack cable
1-m GigaStack cable
1 3
4 9 3 1
Table 1-3
GigaStack GBIC Cable Part Num bers
Part Number
Cable Length
50 cm
CAB-GS-50CM
CAB-GS-1M
1 m
The 50-cm cable comes with the GigaStack GBIC. You can order additional
cables.
Caution
Caution
Do not use standard IEEE 1394 cables with the GigaStack GBIC. You must use
one of the Cisco proprietary cables (CAB-GS-50CM or CAB-GS-1M). If you use
any other cable, you will not have connectivity.
Do not use the GigaStack GBIC with standard IEEE 1394 equipment. You might
damage the equipment or lose data.
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Chapter 1 Overview
Switches Supporting the GBIC
Switches Supporting the GBIC
Refer to the online GigaStack Gigabit Interface Converter Switch Compatibility
current list of products supporting the GBIC.
Caution
Installing the GBIC in or connecting it to an unauthorized device might cause
damage to the GBIC, the other device, or both.
Table 1-4 lists the switches and the module supporting the GigaStack GBIC.
Table 1-4
Sw itches and Module Supporting the GigaStack GBIC
Switch Series or Module
Model Number
Description
1 1000BASE-X port1
WS-X2931-XL module for
Catalyst 2900 series XL
switches
WS-X2931-XL
Catalyst 2900 XL switches
Catalyst 2950 switches
Catalyst 2912MF XL
Catalyst 2924M XL
12 100BASE-FX ports and
2 module slots
24 autosensing 10/100 Ethernet
ports and 2 module slots
Catalyst 2950G-12-EI
Catalyst 2950G-24-EI
Catalyst 2950G-24-EI-DC
12 autosensing 10/100 Ethernet
ports and 2 GBIC module slots
24 autosensing 10/100 Ethernet
ports and 2 GBIC module slots
24 autosensing 10/100 Ethernet
ports and 2 GBIC module slots
with DC-input power
Catalyst 2950G-48-EI
48 autosensing 10/100 Ethernet
ports and 2 GBIC module slots
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Chapter 1 Overview
Minimum IOS Release for Redundant Loop Configurations
Switch Series or Module
Model Number
Description
Catalyst 3500 XL switches
Catalyst 3508G XL
Catalyst 3512 XL
8 GBIC module slots
12 autosensing 10/100 Ethernet
ports and 2 GBIC module slots
Catalyst 3524 XL
24 autosensing 10/100 Ethernet
ports and 2 GBIC module slots
Catalyst 3524 PWR XL
24 autosensing 10/100
inline-power Ethernet ports and
2 GBIC module slots
Catalyst 3548 XL
Catalyst 3550-12G
48 autosensing 10/100 Ethernet
ports and 2 GBIC module slots
Catalyst 3550 switches
2 autosensing 10/100/1000
Ethernet ports and 10 GBIC
module slots
Catalyst 3550-12T
10 autosensing 10/100/1000
Ethernet ports and 2 GBIC
module slots
Catalyst 3550-24-SMI
Catalyst 3550-24-EMI
24 autosensing 10/100 Ethernet
ports and 2 GBIC module slots
Catalyst 3550-48-SMI
Catalyst 3550-48-EMI
48 autosensing 10/100 Ethernet
ports and 2 GBIC module slots
1. The 1000BASE-X module provides one switched 1000-Mbps port in half-duplex, full-duplex, or autonegotiation mode for a
GigaStack GBIC. The port supports the IEEE 802.3Z 1000BASE-X standard.
Minimum IOS Release for Redundant Loop
Configurations
To ensure support for redundant loop configurations when using the GigaStack
GBIC in a cascaded stack configuration, make sure that every switch in the stack
is running at least the minimum IOS Release listed in Table 1-5.
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Chapter 1 Overview
Minimum IOS Release for Redundant Loop Configurations
Table 1-5
Minim um IOS Release for Redundant Loop Configurations
Supported Switch
Minimum IOS Release
Modular 2900 XL switches
2950 switches
12.0(5)XU (April 2000)
12.1(6)EA2 (December 2000)
12.0(5)XU (April 2000)
12.1(4)EA1 (May 2001)
3500 XL switches
3550 multilayer switches
Note
All switches in a series must run the same software version. For example, if the
stack includes only Catalyst 2900 series XL and 3500 series XL switches, they
2900 series XL, 3500 series XL, 2950, and 3550 switches, all the 2900 XL and
3500 XL switches must run Release 12.0(5)XW or later, all the Catalyst 2950
switches must run Release 12.1(6)EA2 or later, and all the Catalyst 3550 switches
must run Release 12.1(4)EA1 or later.
For more information, see the “Cascaded Stack Connections with a Redundant
Link” section on page 2-12. For switch software upgrade information, refer to the
release notes for your switch.
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Chapter 1 Overview
Deployment Examples
Deployment Examples
This section contains examples that use the GigaStack GBIC as a Gigabit uplink
to aggregate traffic in a switched and shared network.
Example 1: Cascaded Stack Connection
Figure 1-5 shows the GigaStack GBIC cascaded in a half-duplex stack
configuration.
Figure 1-5 Cascaded Stack Connection
Catalyst 3550
switch
Gigabit EtherChannel
or 1000BASE-X link
Catalyst 2900 XL,
Catalyst 3500 XL,
or Catalyst 3550
switches
Half-duplex
GigaStack GBIC links
10/100
switched links
10/100 attached workstations
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Chapter 1 Overview
Deployment Examples
Example 2: Point-to-Point Connection
Figure 1-6 shows the 3500 XL switch aggregating traffic by using a GigaStack
GBIC as a full-duplex, point-to-point uplink connection.
Figure 1-6 Point-to-Point Connection
Catalyst 3508G XL switch
Full-duplex
GigaStack GBIC
or 1000BASE-X links
Catalyst 2900 XL, Catalyst 3500 XL, or Catalyst 3550 switches
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C H A P T E R
2
Installation
This chapter describes how to unpack, install, cable, and run the power-on
self-test (POST) on the GigaStack GBIC. After power on, you can manage GBIC
ports as you would manage fixed ports on the switch, through the web-based
Cluster Management Suite (CMS), or through the console port or a Telnet
connection to access the IOS command-line interface.
Inspecting the Packing List
Before you install a GigaStack GBIC, ensure that these items are included in the
package:
•
•
•
GigaStack GBIC
50-cm cable
GBIC clip
If anything is missing, contact your Cisco Systems customer service
representative.
Note
You can order a 1-m cable separately.
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Chapter 2 Installation
EMC Regulatory Statements
EMC Regulatory Statements
This section lists international regulatory information for the GigaStack GBIC.
U.S.A.
U.S. regulatory information for this product is in the front matter of this manual.
Taiwan
This is a Class A Information product. When used in a residential environment, it
may cause radio frequency interference. Under such circumstances, the user may
be requested to take appropriate countermeasures.
Japan
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.
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Chapter 2 Installation
EMC Regulatory Statements
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.
Hungary
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.
Figyelmeztetés a felhasználói kézikönyv számára:
Ez a berendezés “A” osztályú termék, felhasználására és üzembe helyezésére a
magyar EMC “A” osztályú követelményeknek (MSZ EN 55022) megfeleloen
kerülhet sor, illetve ezen “A” osztályú berendezések csak megfelelo kereskedelmi
forrásból származhatnak, amelyek biztosítják a megfelelo speciális üzembe
helyezési körülményeket és biztonságos üzemelési távolságok alkalmazását.
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Chapter 2 Installation
Avoiding Electrostatic Discharge
Avoiding Electrostatic Discharge
Before you install the GigaStack GBIC, ground yourself by touching the metal
part of the chassis to avoid electrostatic discharge (ESD). You should also keep
the GigaStack GBIC in its antistatic shielded bag until you are ready for
installation.
Installing a GigaStack GBIC
you can install the GBIC into GigaStack GBIC slots, as shown in Figure 2-1.
Install a GigaStack GBIC as follows:
Step 1
Step 2
Remove the GigaStack GBIC from its protective packaging.
If you want to use the GigaStack cable connector (hereafter referred to as the
clip), see the “Attaching the GBIC Clip” section on page 2-6.
Step 3
Grip the sides of the GBIC with your thumb and forefinger, and insert it into the
GBIC slot on a switch front panel, as shown in Figure 2-1, or the
Catalyst 2900 XL 1000BASE-X module slot, as shown in Figure 2-2.
The GigaStack GBIC is keyed to prevent incorrect insertion.
Step 4
Slide the GigaStack GBIC through the flap covering the opening into the slot until
you hear a click. The click means the GigaStack GBIC is locked into the slot.
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Chapter 2 Installation
Installing a GigaStack GBIC
Figure 2-1 Inserting the GigaStack GBIC into a Sw itch Module Slot
Metal flap door
GBIC module slot
1
2
GigaStack GBIC
Figure 2-2 Inserting the GigaStack GBIC into a 1000BASE-X Module
Metal flap door
GBIC LED
Tighten
Scre
ws
To Activ
ate
a
se
X
WS-X2931-XL
Slot for
GigaStack GBIC
1
2
GigaStack GBIC
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Chapter 2 Installation
Attaching the GBIC Clip
Attaching the GBIC Clip
Each GigaStack GBIC ships with a removable clip that can be attached to provide
extra security against accidental cable removal. If you use the clip, you must
attach it before inserting the GBIC into the slot.
Attach the clip as follows:
Step 1
Attach the clip to the GBIC by carefully inserting the clip tabs into the slots on
either side of the GBIC, in the orientation shown in Figure 2-3. Slide the clip
toward the port side of the GBIC.
Figure 2-3 Attaching the GBIC Clip
Tab
1
2
GigaStack GBIC ports
Alignment bump
Notches on clip
Step 2
Step 3
Insert the cable connector into the GBIC port according to your configuration.
Swing the GBIC clip up toward the GBIC so that the alignment bump in the clip
seats in the indentation on the GBIC bottom.
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Chapter 2 Installation
Recommended Configuration
Step 4
Secure the cable in a clip notch as shown in Figure 2-4.
Figure 2-4 Securing the Cables in the GBIC Clip
2
Clip installed on GBIC
Step 5
Insert the GBIC into the slot. Follow the steps in the “Installing a GigaStack
GBIC” section on page 2-4.
All ports are set to autonegotiate the duplex mode for your GigaStack GBIC. You
must keep this default setting; autonegotiation must not be disabled.
For information about the supporting switches and software, see the “Switches
Redundant Loop Configurations” section on page 1-7.
Connecting to GigaStack GBIC Ports
Insert the GigaStack cable connector into the GigaStack GBIC port, as shown in
Figure 2-5.
Note
The GBIC module slot LED is amber while the Spanning Tree Protocol discovers
the topology and searches for loops. This takes about 30 seconds. The port status
LED then turns green.
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Chapter 2 Installation
Creating Connections
Figure 2-5 Inserting the Cable in a GigaStack GBIC
1
2
1
2
13
94
GBIC module slots
GigaStack cable
13
94
Note
Always use a GigaStack cable to connect a GigaStack GBIC to any device. For
more information, see the “GigaStack GBIC Cabling” section on page B-1.
Creating Connections
You can create these configurations:
Point-to-point
Cascaded stack
Cascaded stack with a redundant link
•
•
•
In a point-to-point configuration or cascaded stack configuration, the GigaStack
GBIC can use the ports listed in Table 2-1 to connect to other devices.
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Creating Connections
Table 2-1 Available GBIC Ports in a Point-to-Point Configuration
Available GigaStack
GBIC Ports
Device
1000BASE-X module (for modular
2900 XL switches)
2
3500 XL switches
2950 switches
2
2
2
3550 multilayer switches
Note
The GigaStack GBIC supports setting a trunk to IEEE 802.1Q or Inter-Switch
configuration command) and to use the same encapsulation method (switchport
trunk encapsulation {isl | dot1q} interface configuration command). For more
information on these commands, refer to the command reference for your switch.
For more information, see the “Point-to-Point Connections” section on page 2-10,
the “Cascaded Stack Connections” section on page 2-11, and the “Cascaded Stack
Connections with a Redundant Link” section on page 2-12.
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Chapter 2 Installation
Creating Connections
Point-to-Point Connections
A point-to-point connection operates in full-duplex mode. Figure 2-6 shows an
example of supporting switches with point-to-point connections.
Figure 2-6 Point-to-Point Connections
Catalyst 3512 XL
Catalyst 3524 XL
1
2
3
4
5
6
7
8
9
10
11 12
1
2
3
4
5
6
7
8
9
10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
Catalyst 3500
XL
Catalyst 3500
XL
1X
11X
1X
11X
13X
15X
1
1
2
2
SYSTEM
RPS
SYSTEM
RPS
ST
UTIL
DUPLX
SPEED
A
TUS
ST
UTIL
DUPLX
SPEED
A
TUS
MODE
MODE
2X
12X
2X
12X
14X
16X
1
2
1
2
Catalyst 2900
Catalyst 3500
XL
1
2
3
4
5
6
7
8
SYSTEM
RPS
ST
UTIL
DUPLX
SPEED
A
TUS
MODE
1
2
1
2
Catalyst 3508G XL
Catalyst 3524 XL
23 24
1x
2x
3x
4x
5x
6x
7x
8x
9x
10x
11x
12x
13x
14x
15x
16x
17x
18x
19x
20x
21x
22x
23x
24x
MODE
Catalyst 2924M XL
Catalyst 3512 XL
1
2
3
4
5
6
7
8
9
10
11 12
1
2
3
4
5
6
7
8
9
10
11 12
13 14
15 16
17 18
19 20
21 22
Catalyst 3500
XL
Catalyst 3500
XL
1X
11X
1X
11X
13X
15X
1
1
2
2
SYSTEM
RPS
SYSTEM
RPS
MODE
ST
UTIL
DUPLX
SPEED
A
TUS
ST
UTIL
DUPLX
SPEED
A
TUS
MODE
2X
12X
2X
12X
14X
16X
1
2
1
2
Catalyst 2900
Catalyst 3500
XL
1
2
3
4
5
6
7
8
SYSTEM
RPS
ST
UTIL
DUPLX
SPEED
A
TUS
MODE
1
2
1
2
Catalyst 3508G XL
1x
2x
3x
4x
5x
6x
7x
8x
9x
10x
11x
12x
13x
14x
15x
16x
17x
18x
19x
20x
21x
22x
23x
24x
MODE
Catalyst 2924M XL
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Chapter 2 Installation
Cascaded Stack Connections
You can connect from three to nine switches in a cascaded stack configuration.
The cascaded stack operates in half-duplex mode. Figure 2-7 shows the
connections on some supporting switches.
Figure 2-7 Cascaded Stack Connections
Port 1
Port 2
Catalyst 3508G XL
Catalyst 3500
XL
1
2
3
4
5
6
7
8
SYSTEM
RPS
ST
UTIL
DUPLX
SPEED
A
TUS
MODE
1
2
Catalyst 2924M XL
Catalyst 2900
1
2
1x
2x
3x
4x
5x
6x
7x
8x
9x
10x
11x
12x
13x
14x
15x
16x
17x
18x
19x
20x
21x
22x
23x
24x
MODE
Catalyst 3512 XL
1
2
3
4
5
6
7
8
9
10
11 12
Catalyst 3500
XL
1X
11X
1
2
SYSTEM
RPS
ST
UTIL
DUPLX
SPEED
A
TUS
MODE
2X
12X
1
2
Catalyst 3524 XL
1
2
3
4
5
6
7
8
9
10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
Catalyst 3500
XL
15X
1X
11X
13X
1
2
SYSTEM
RPS
ST
UTIL
DUPLX
SPEED
A
TUS
MODE
16X
2X
12X
14X
1
2
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Chapter 2 Installation
Creating Connections
Cascaded Stack Connections with a Redundant Link
You can form a redundant link by connecting the open ports on the top and bottom
GigaStack GBICs within the same stack, as shown in Figure 2-8.
Figure 2-8 Cascaded Stack Connections w ith a Redundant Link
Port 1
Port 2
Catalyst 3508G XL
Catalyst 3500
XL
1
2
3
4
5
6
7
8
SYSTEM
RPS
ST
UTIL
DUPLX
SPEED
A
TUS
MODE
1
2
Catalyst 3512 XL
1
2
3
4
5
6
7
8
9
1
1
Catalyst 3500
XL
1X
11X
1
2
SYSTEM
RPS
ST
UTIL
DUPLX
SPEED
A
TUS
MODE
2X
12X
1
2
Redundant
link
Catalyst 3524 XL
1
2
3
4
5
6
7
8
9
10
11
12
1
3
1
4
1
5
1
6
1
7
1
8
1
9
2
0
2
1
2
2
2
3
2
4
Catalyst 3500
XL
1X
11X
13X
15X
1
2
SYSTEM
RPS
ST
UTIL
DUPLX
SPEED
A
TUS
MODE
2X
12X
14X
16X
1
2
The GigaStack GBIC software detects the loop configuration by the way the
cables are connected and the number of switches used in the stack. The software
uses one of the GigaStack GBIC links as the redundant link, which is disabled for
data transmission while all the other links in the stack are up. When any other link
in the stack is down, the redundant link is automatically enabled for data
transmission. To ensure continued connectivity, the software periodically checks
for changes in the stack and invokes the loop detection algorithm if a new link is
added to the cascaded stack or if a link is removed from the cascaded stack.
GigaStack GBICs installed in a stack support a loop configuration only if every
Catalyst 2900 XL and 3500 XL switch in the stack is running IOS software
Release 12.0(5)XU or later, Release 12.1(6)EA2 or later for Catalyst 2950
switches, and Release 12.1(4)EA1 or later for Catalyst 3550 switches.
For Catalyst 2900 XL and 3500 XL switches running IOS software earlier than
Release 12.0(5)XU, an illegal loop is created under these conditions:
•
•
A GigaStack GBIC is connected to two other GBIC ports in the same stack.
A single GigaStack GBIC cable is inserted in port 1 and port 2 of the same
GBIC.
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Chapter 2 Installation
Removing a GigaStack GBIC
Caution
A loop causes excessive collision errors on the port and can cause the link to
become unstable. This instability decreases performance on the links, and
communication between the switches in the stack is adversely affected.
If a Catalyst switch is connected through its GigaStack GBIC to another switch’s
GigaStack GBIC that does not support loop detection, the GBIC LEDs turn these
colors:
•
The GigaStack GBIC LED on the switch without loop detection turns green
almost immediately.
•
15 seconds and then turns green.
present, the software does not detect it, excessive collisions occur on these
ports, no traffic passes through the stack, and the GigaStack GBIC LEDs
remain green.
To avoid problems with loop configurations, make sure that all switches in your
stack are running the appropriate IOS release as shown in Table 1-5 on page 1-8.
For more information, see the “Minimum IOS Release for Redundant Loop
Configurations” section on page 1-7. For switch software upgrade information,
refer to the release notes for your switch.
Removing a GigaStack GBIC
Remove a GigaStack GBIC as follows:
Step 1
Step 2
Release the GigaStack GBIC from the slot by simultaneously squeezing the two
plastic tabs (one on each side of the GigaStack GBIC).
To remove, slide the GigaStack GBIC out of the slot. A flap drops down to protect
the internal connector.
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Chapter 2 Installation
Power-On Self-Test
Step 3
Step 4
If you are using the GBIC clip to secure the GBIC cables, remove the clip from
the GigaStack GBIC by pulling the tabs from the slots on the GBIC. Remove the
cables from the notches in the clip.
Disconnect the cable from the GigaStack GBIC port.
Warning
Ultimate disposal of this product should be handled according to all national
laws and regulations.
Power-On Self-Test
GBIC. When you insert the GigaStack GBIC into the switch or module slot, the
port LED on the switch or module turns amber while STP checks for possible
loops and then turns green. When you insert a GigaStack GBIC cable into the
GBIC port, the GigaStack GBIC port turns green if there is network connectivity;
no additional configuration is needed. For more information about the LED
meanings, see the “GigaStack GBIC LEDs” section on page 1-2 and the “GBIC
Module Slot LEDs” section on page 1-3.
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C H A P T E R
3
Troubleshooting
Table 3-1 describes how to identify problems with the switch and GigaStack
GBIC and how to resolve them.
Table 3-1 Com m on Problem s and Their Solutions
Symptom
GBIC module slot Spanning Tree Protocol
LED is amber.
Possible Causes
Corrective Action
Wait for STP to complete its search. The LED
(STP) is checking for loops. turns green when STP completes its check.
Port is initializing, it was Use the Cluster Management Suite or the IOS
disabled by management or command-line interface to check the status of the
an address violation, or it
was blocked by STP.
port and to enable it.
GBIC module slot Port is experiencing error
Remove and reinsert the GigaStack GBIC.
LED is flashing
green and amber.
frames. This could be due to
a duplex mismatch caused
by autonegotiation,
collisions, cyclic
redundancy check (CRC)
errors, or alignment errors.
GBIC module slot Device has no power.
LED is off.
Ensure that the switch and the target device have
power.
No link or port was shut
down administratively.
Verify that the GBIC cable is connected to another
active network device and that the port is not shut
down.
Bad cable.
Replace with a known good cable.
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Chapter 3 Troubleshooting
Table 3-1 Com m on Problem s and Their Solutions (continued)
Symptom
Possible Causes
Corrective Action
GigaStack GBIC
LED blinks any
color for more than
1 minute.
Link flap (the link keeps
going up and down).
Remove and reinsert the GigaStack GBIC.
Upgrade all the switches in a series to the same
software version; otherwise, the loop-breaking
algorithm might never resolve itself. For example,
if the stack includes only Catalyst 2900 series XL
and 3500 series XL switches, they must run
Release 12.0(5)XU or later. If the stack includes a
mixture of Catalyst 2900 series XL,
3500 series XL, 2950, and 3550 switches, all the
2900 XL and 3500 XL switches must run
Release 12.0(5)XW or later, all Catalyst 2950
switches must run Release 12.1(6)EA2 or later,
and all Catalyst 3550 switches must run
Release 12.1(4)EA1 or later.
If no loop exists in the GigaStack GBIC stack, you
can disable the loop-breaking algorithm by using
the no gigastack loop-breaking [interface-id]
global configuration command.
GigaStack GBIC
LED color is
The GigaStack GBIC is in
an indeterminate state.
Remove and reinsert the GigaStack GBIC.
incorrect (for
example, the GBIC
is not connected to
another device, but
the LED is green).
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A P P E N D I X
A
Technical Specifications
Table A-1 lists the technical specifications and regulatory agency approvals for
the GigaStack GBIC.
Table A-1 Technical Specifications
Environmental Ranges
Operating temperature
Storage temperature
Operating humidity
Storage humidity
32 to 113°F (0 to 45°C)
–4 to 149°F (–20 to 65°C)
10 to 85% (noncondensing)
5 to 95% (noncondensing)
Up to 10,000 ft (3000 m)
Up to 15,000 ft (4570 m)
2W
Operating altitude
Storage altitude
Power Consumption
Physical Dimensions (H x W x D) 0.75 x 1.54 x 3.5 in. (1.90 x 3.91 x 8.89 cm)
Weight 0.11 lb (0.05 kg)
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Appendix A Technical Specifications
Table A-1 Technical Specifications (continued)
Agency Approvals
Safety
EMI
FCC Part 15 Class A
AS/NZS 3260, TS001
UL 1950/CSA 22.2 No. 950 EN 55022A Class A (CISPR 22 Class A)
IEC 950/EN 60950
CE
VCCI Class A
AS/NRZ 3548 Class A
BCIQ
CE
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A P P E N D I X
B
Connectors and Cables
This appendix describes the Cisco proprietary cables and connectors for the
GigaStack GBIC.
GigaStack GBIC Cabling
The GigaStack GBIC uses proprietary connectors as shown in Figure B-1.
Figure B-1 GigaStack GBIC Connector
The GigaStack GBIC cables are proprietary, high-data-rate cables with enhanced
signal integrity and EMI performance.
Caution
Caution
Do not use standard IEEE 1394 cables with the GigaStack GBIC. You must use
one of the Cisco proprietary cables (CAB-GS-50CM or CAB-GS-1M). If you use
any other cable, you will not have connectivity.
Do not use the GigaStack GBIC with standard IEEE 1394 equipment. You might
damage the equipment or lose data.
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Appendix B Connectors and Cables
GigaStack GBIC Cabling
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A P P E N D I X
C
Translated Safety Warnings
This appendix repeats the warnings in this guide in multiple languages.
Product Disposal
Warning
Waarschuwing
Varoitus
Ultimate disposal of this product should be handled according to all national
laws and regulations.
Het uiteindelijke wegruimen van dit product dient te geschieden
in overeenstemming met alle nationale wetten en reglementen.
Tämä tuote on hävitettävä kansallisten lakien ja määräysten
mukaisesti.
Attention
La mise au rebut ou le recyclage de ce produit sont généralement
soumis à des lois et/ou directives de respect de l'environnement.
Renseignez-vous auprès de l'organisme compétent.
Warnung
Die Entsorgung dieses Produkts sollte gemäß allen
Bestimmungen und Gesetzen des Landes erfolgen.
Avvertenza
Lo smaltimento di questo prodotto deve essere eseguito secondo
le leggi e regolazioni locali.
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Appendix C Translated Safety Warnings
Product Disposal
Advarsel
Aviso
Endelig kassering av dette produktet skal være i henhold til alle
relevante nasjonale lover og bestemmelser.
Deitar fora este produto em conformidade com todas as leis e
regulamentos nacionais.
¡Advertencia!
Varning!
Al deshacerse por completo de este producto debe seguir todas
las leyes y reglamentos nacionales.
Vid deponering hanteras produkten enligt gällande lagar och
bestämmelser.
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I N D E X
Cluster Management Suite (CMS) 1-2
Nu m e ric s
collision errors 2-13
1000BASE-X module
description 1-7
CRC errors 1-4
IEEE standards 1-7
definitions, notes, cautions, warnings xiv
deployment examples 1-9 to 1-10
disabled port 1-4
A
agency approvals A-2
alignment errors 1-4
autonegotiation 2-7
distance limitations 1-5
documentation
feedback xix
obtaining
C
CD-ROM xix
cable
world wide web xviii
ordering xix
1-m cable availability 2-1
description and cautions B-1
guidelines 1-5, B-1
related xvii
duplex mode, recommended 2-7
lengths 1-5
part numbers 1-5, B-1
E
proprietary requirements 1-5
standard IEEE 1394 cable caution 1-5, B-1
Cisco IOS command-line interface, (CLI) 1-2
Cisco Technical Assistance Center xxi
clip, attaching 2-6 to 2-7
electrostatic discharge (ESD) 2-4
EMC regulatory statements 2-2
EMI agency approvals A-2
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Index
error frames
supported switches 1-6
detecting 3-1
GigaStack Gigabit Interface Converter,
see GigaStack GBIC
LED indication 1-4
Spanning Tree Protocol 3-1
I
F
IEEE 1394 (standard) cable caution 1-5
IEEE standards
802.1Q 2-9
feedback to Cisco Systems, web xix
IOS software
G
GigaStack cable connector, see clip
GigaStack GBIC
cabling guidelines 1-5
connecting ports 2-7
definition xiii
deployment examples
cascaded connection 1-9
point-to-point connection 1-10
installing 2-4
L
LEDs
keyed insertion protection 2-4
LED descriptions 1-3
minimum IOS Release 1-7
part number 1-1
link, point-to-point 1-1
link flap 3-2
recommended duplex mode 2-7
redundant loop support 1-7, 2-12
removing 2-13
loop detection 2-12
specifications A-1 to A-2
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Index
Spanning Tree Protocol
LED state during 2-7
N
network examples 1-9
port blocking 1-4
note definition xiv
specifications A-1
stacking
full-duplex cascaded example 1-10
half-duplex cascaded example 1-9
redundant link example 2-12
switches, supported
P
packing list 2-1
POST
conditional limitations 2-14
LED indicator 1-3
power-on self-test, see POST
product disposal C-1
IOS release requirements 1-7
TAC
R
described xxi
redundant links
toll-free telephone numbers xxii
technical assistance
Cisco.com xx
configuration example 2-12
supported IOS Release 1-7, 2-12
regulatory statements 2-2
related publications xvii
TAC website xxi
technical specifications A-1
topology
point-to-point 1-10
redundant link 2-12
troubleshooting 3-1 to 3-2
trunking 2-9
S
safety
agency approvals A-2
warnings, translated C-1
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Index
U
URLs, Cisco xviii
W
warnings, Product Disposal C-1
World Wide Web, documentation from xviii
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