METRObility Optical Systems Network Cables 2125 34 01 User Manual

Gigabit “twister”® and  
SONET “twister”®  
“twister2152  
“twister2152  
1000BASE-LX  
1000BASE-TX  
1000BASE-LX  
1000BASE-SX  
PWR  
PWR  
BWDM  
TX  
MM  
RX  
BWDM  
LINK  
LINK  
LINK  
LINK  
“twister2152  
“twister2152  
1000BASE-LX  
1000BASE-SX  
1000BASE-LX  
1000BASE-TX  
PWR  
PWR  
TX  
SM  
RX  
TX  
MM  
RX  
LINK  
TX  
SM  
RX  
LINK  
LINK  
LINK  
“twister2152  
“twister2151  
1000BASE-LX  
1000BASE-TX  
1000BASE-LX  
1000BASE-SX  
PWR  
PWR  
SM  
TX  
SM  
RX  
MM  
TX  
RX  
LINK  
LINK  
LINK  
LINK  
“twister2135  
“twister2125  
OC-12  
OC-12  
OC-3  
OC-3  
PWR  
PWR  
TX  
SM  
RX  
MM  
TX  
RX  
TX  
SM  
TX  
MM  
RX  
RX  
LINK  
LINK  
LINK  
LINK  
Installation & User Guide  
2151-AD-01 • 2152-1A-01 • 2152-1D-01 • 2152-1F-01 • 2152-17-01  
2152-1J-01 • 2152-1K-01 • 2152-1M-01 • 2152-1X-01 • 2152-1Y-01  
2152-AA-01 • 2152-AD-01 • 2152-AF-01 • 2152-A7-01 • 2152-AJ-01  
2152-AX-01 • 2152-AY-01 • 2152-DD-01 • 2152-DF-01 • 2152-D7-01  
2152-DJ-01 • 2152-77-01 • 2152-JJ-01 • 2125-34-01 • 2125-37-01  
2135-34-01  
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Table of Contents  
Metrobility Gigabit twisterand SONET twister”  
Installation & User Guide  
Introduction ................................................................................................................ 4  
Overview ..................................................................................................................... 5  
Installation Guide ....................................................................................................... 6  
STEP 1: Unpack the “twister” and Accessories .......................................... 6  
STEP 2: Choose an Appropriate Location .................................................. 6  
STEP 3: Set the DIP Switches ..................................................................... 7  
STEP 4: Connect to the Network ................................................................ 8  
STEP 5: Apply Power.................................................................................. 9  
User Guide ................................................................................................................ 11  
LED Indicators .......................................................................................... 11  
Link Loss Return (LLR)............................................................................ 12  
Link Loss Carry Forward (LLCF)............................................................. 13  
Copper Loss Carry Forward (CLCF) ........................................................ 14  
Topology Solutions ................................................................................... 15  
Technical Specifications ............................................................................ 15  
Product Safety, EMC and Compliance Statements ................................... 18  
Warranty and Servicing ............................................................................. 19  
Metrobility, Metrobility Optical Systems, Lancast, and twisterare registered trademarks of Metrobility Optical  
Systems, Inc. The Metrobility Optical Systems logo is a trademark of Metrobility Optical Systems, Inc.  
The information contained in this document is assumed to be correct and current. The manufacturer is not  
responsible for errors or omissions and reserves the right to change specifications at any time without notice.  
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Introduction  
The Metrobility Gigabit “twister” and SONET “twister” represent the latest  
technology available for extending Gigabit Ethernet, OC-3/STM-1 and OC-12/STM-  
4 networks. Since Metrobility first developed “twister” media conversion, it has set  
the standard for providing affordable means of integrating mixed media networks.  
As LANs/WANs grow and evolve, this technology provides an ideal solution for  
building effective migration strategies.  
In addition to the standalone unit, the “twister” is available as an SNMP manageable  
module for the Lancast® Intelligent 7500 chassis and the Radiance central or premise  
service platforms.  
The information in this guide will help you to install and start using your “twister”.  
4
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Overview  
The Metrobility “twister” provides seamless integration between fiber optic  
multimode and singlemode segments in Gigabit Ethernet, OC-3/STM-1 or OC-12/  
STM-4 environments. It supports copper to fiber translation as well as wavelength  
conversion from 850nm to 1310 or 1550nm, and from 1310nm to 1550nm. With the  
“twister”, you can increase your network reach up to 70km on a single segment. For  
networks that require extended distance support, use the 2152-series repeaters. The  
repeaters recover incoming data and regenerate the signal, thus allowing multiple  
hops over any distance.  
The Gigabit “twister” and SONET “twister” offer the following key features:  
A Link Loss Return (LLR) switch on each fiber optic port to aid in  
troubleshooting remote network connections.  
Link Loss Carry Forward (LLCF) functionality on the fiber-to-fiber  
units or Copper Loss Carry Forward (CLCF) on the copper-to-fiber  
models. LLCF and CLCF work with LLR in diagnosing network  
connections.  
Signal recovery that restores data integrity, enabling repetition over  
unlimited distances. (2152-series only)  
Auto-sensing copper port that eliminates the need for crossover cables.  
Full-duplex support.  
Gigabit Ethernet (1Gbps), OC-3/STM-1 (155Mbps) or OC-12/STM-4  
(622Mbps) support.  
A link LED on each port to indicate that the port is receiving idle link  
signals or a satisfactory level of light.  
IEEE 802.3 Sec. 14 / IEEE 802.3z compliance (Gigabit “twister” only).  
Universal desktop power supply (100-240V / 50-60Hz).  
Data transmission over singlemode fiber up to 70km.*  
Numerous connectivity options, including bidirectional wavelength  
division multiplexed (BWDM) fiber.  
*Actual distance should be calculated based on the actual link loss budget.  
Gigabit twisterand SONET twister”  
5
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using your Metrobility “twister”.  
Unpack the twisterand Accessories  
Check that the following components have been included:  
Metrobility “twister”  
Power supply  
Power cord  
Four (4) rubber feet  
Your order has been provided with the safest possible packaging, but  
shipping damage does occasionally occur. Inspect your order carefully. If  
you discover any shipping damage, notify your carrier and follow their  
instructions for damage and claims. Save the original shipping carton in  
case return or storage of the unit is necessary.  
Choose an Appropriate Location  
The “twister” is intended for use in either office or industrial environments.  
The unit must be located within six (6) feet of the AC power source being  
used and placed as far away as possible from electrical noise generating  
equipment such as copiers, electrostatic printers and other motorized  
equipment. If exposed twisted-pair wiring is used nearby, the wiring should  
be routed as far away as possible from power cords and data cables to  
minimize interference.  
2
3
The unit may be oriented in any manner which allows you to make physical  
connection to the power supply and leaves a minimum of six (6) inches of  
space for proper ventilation.  
Set the DIP Switches  
The Metrobility “twister” includes a set of six DIP switches located on the  
back of the unit. (See figure below.) These switches are used to enable/  
disable functions and are clearly marked. Unmarked switches are nonfunc-  
tional. LLR1 controls Link Loss Return on Port 1. LLR2 controls Link  
Loss Return on Port 2. LLCF sets Link Loss Carry Forward on the fiber-  
to-fiber repeaters (LLCF is nonfunctional on the fiber-to-fiber converters).  
CLCF sets Copper Loss Carry Forward on the copper-to-fiber repeaters.  
6
Installation Guide  
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twister2152  
1000BASE-LX  
1000BASE-SX  
PWR  
LLCF  
LLR1LLR2  
TX  
SM  
RX  
LINK  
MM  
RX  
TX  
OFF  
ON  
LINK  
PWR  
DC INPUT/5VDC  
Port 2  
Port 1  
LLR1  
LLR2  
LLR1  
LLR2  
CLCF  
LLR2  
LLCF  
LLCF  
OFF  
ON  
OFF  
ON  
ON  
or  
or  
OFF  
DIP switches (2152 TX-FX)  
DIP switches (2152 FX-FX)  
DIP switches (all others)  
NOTE: The ON/OFF positions are not the same on all units.  
By default, all DIP switches are disabled.  
Link Loss Return (LLR) Switch  
The Metrobility “twister” incorporates Link Loss Return functionality as an  
aid in troubleshooting remote fiber connections. When LLR is enabled on a  
port, loss of the receive (RX) link at the port disables the transmit (TX) link  
on the same port. LLR is set independently on each fiber port.  
LLR1 enables/disables Link Loss Return on Port 1, and LLR2 enables/  
disables it on Port 2. To enable Link Loss Return, set the LLR switch to the  
ON position. Set the switch OFF to disable the function. The unit is shipped  
with LLR disabled. For more information, refer to Link Loss Return in the  
User Guide section of this manual.  
Link Loss Carry Forward (LLCF) Switch  
On the fiber-to-fiber repeaters, Link Loss Carry Forward is provided as an  
additional aid for troubleshooting remote connections. If LLCF is enabled  
and the “twister” loses link on one of its receive ports, LLCF inhibits the  
transmit link out the opposite port.  
For example, if LLCF is enabled and the “twister” fails to detect link on  
Port 2, the “twister” will not transmit link pulses out of Port 1. In doing  
this, LLCF provides a way to extend the link loss indication beyond a  
single segment.  
Gigabit twisterand SONET twister”  
7
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LLCF is enabled when the LLCF switch is in the ON position. The fiber-to-  
fiber repeater is shipped with LLCF disabled. On the fiber-to-fiber convert-  
ers (2151-AD-, 2125-xx- and 2135-34-01), LLCF is always enabled and  
cannot be disabled. Sliding the LLCF switch up and down on these models  
has no effect. LLCF is not applicable to the copper-to-fiber repeaters. For  
more information, refer to Link Loss Carry Forward in the User Guide  
section of this manual.  
Copper Loss Carry Forward (CLCF) Switch  
The copper-to-fiber repeater provides Copper Loss Carry Forward to assist  
in identifying a lost copper link. When CLCF is enabled and the repeater  
loses link on its copper port, the card prevents its fiber port from transmit-  
ting link pulses. CLCF has no effect on the copper port, which continually  
transmits link pulses, even if the fiber port loses link.  
CLCF is enabled when the CLCF switch is in the ON position (down). The  
unit is shipped with CLCF disabled. For more information, refer to Copper  
Loss Carry Forward in the User Guide section of this manual.  
Connect to the Network  
The “twister” offers the ease of plug-and-play installation.  
4
Twisted-Pair Interface (2152-1x-01 only)  
The twisted-pair port provides an auto-sensing RJ-45 connector that  
supports a maximum segment length of 100 meters. Use Category 5e  
cables. Because the port is auto-sensing, crossover cables are not needed.  
twister2152  
1000BASE-LX  
1000BASE-TX  
PWR  
RX  
T
LINK  
8
Installation Guide  
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Fiber Optic Interface  
Multimode ports are labeled MM. Singlemode ports are labeled SM.  
Extended distance ports are labeled LH (Long Haul) or ELH (Extended  
Long Haul). Each fiber port provides an SC or LC connector. For informa-  
tion about the cable lengths supported by each model, refer to the table in  
the Technical Specifications section.  
When making connections, be sure that the transmit (TX) optical conductor  
of the “twister” connects to the receive (RX) optical conductor of the  
connected device; and be sure that the transmit (TX) optical conductor of  
the device connects to the receive (RX) optical conductor of the “twister”.  
Once power is applied to the unit, correct connectivity can be verified via  
the LINK LED.  
BWDM Interface  
The bidirectional wavelength division multiplexed (BWDM) port provides  
one singlemode SC connector that supports a maximum segment length of  
20km. BWDM units must always be used in complementary pairs. That is,  
a -1X or -AX must be connected to a -1X or -AY. The -1X and -AX units  
are designed to transmit data at a wavelength of 1550nm and receive at  
1310nm. Correspondingly, the -1Y and -AY units transmit data at 1310nm  
and receive at 1550nm.  
up to 20 km  
Metrobility  
-1X or -AX Model  
Metrobility  
-1Y or -AY Model  
Apply Power  
Power is applied to the “twister” from the desktop power supply. The  
power supply is equipped with an S760 hollow-type plug for insertion into  
the DC jack located on the back of the unit and the standard IEC 320-type  
AC power receptacle. All standalone units use a 100-240V universal  
desktop power supply.  
5
Connect the DC input jack located on the back of the “twister” before  
connecting to the AC outlet.  
Gigabit twisterand SONET twister”  
9
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OFF  
ON  
PWR  
DC INPT/5VDC  
Upon receiving power, the “twister” goes into normal operation mode.  
Verify valid connections via the PWR LED on the front panel.  
If an additional extension cord is used to connect the power supply to the  
outlet, follow the guidelines below.  
While one end of the AC power cord can be fitted with whatever plug is  
standard for the country of operation, the end that connects to the “twister”  
unit’s power supply must have a female plug that fits this type of AC  
receptacle.  
• AC 115V (North American): Use a UL-listed and CSA-certified cord  
set consisting of a minimum No. 18 AWG, type SVT or SJT three-  
conductor cord (15 ft. maximum length) and a parallel blade ground-  
ing-type attachment plug rated 15A, 125V.  
• AC 230V (USA): Use a UL-listed cord set consisting of a minimum  
No. 18 AWG, type SVT three-conductor cord (15 ft. maximum  
length) and a Tandem blade grounding-type attachment plug rated  
15A, 250V.  
• 240V (outside USA): Use a cord set consisting of a minimum No. 18  
AWG cord and grounding-type attachment plug rated 15A, 250V.  
The cord set should have the appropriate safety approvals for the  
country in which the “twister” is being installed and be marked HAR.  
10  
Installation Guide  
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LED Indicators  
The Metrobility “twister” provides three LEDs on the front panel for the visible  
verification of unit status and proper functionality. The LEDs also aid in trouble-  
shooting and overall network diagnosis and management.  
When lit, the LEDs indicate the following status:  
PWR (power): The unit is powered ON.  
LINK (Port 1): Port 1 is receiving idle link signals (if Port 1 is a copper port)  
or the input light level is satisfactory (if Port 1 is a fiber port).  
LINK (Port 2): The input light level is satisfactory on Port 2.  
twister”  
PWR  
SM  
TX  
MM  
RX  
TX  
RX  
LINK  
LINK  
Power  
(Port 2)  
(Port 1)  
Gigabit twisterand SONET twister”  
11  
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Link Loss Return (LLR)  
The fiber ports on the “twister” have been designed with Link Loss Return function-  
ality for troubleshooting remote connections. When LLR is enabled*, the port’s  
transmitter (TX) shuts down if its receiver (RX) fails to detect a valid receive link.  
LLR should only be enabled on one end of a cable and is typically enabled on either  
the unmanaged or remote device. LLR works in conjunction with LLCF and CLCF.  
The diagram below shows a typical network configuration with good link status  
using two “twister” units for remote connectivity. Note that LLR and LLCF are  
enabled as indicated in the diagram.  
Management Switch/Hub  
Station w/SNMP  
twister”  
Switch/Hub Remote  
w/SNMP Station  
twister”  
B
A
LLCF is ON  
LLR2 is ON  
LLR1 is OFF  
LLCF is ON  
LLR2 is ON  
LLR1 is OFF  
Remote  
Cable  
Port 2 Port 1  
Port 2 Port 1  
LED lit = established link  
LED unlit = no link  
Example: If one of the optical conductors breaks (as shown in the diagram box  
below), “twister” B, with LLR2 enabled, will return a no-link condition to its link  
partner, “twister” A. On the fiber-to-fiber models with LLCF also enabled on both  
units, the no-link condition is carried forward to the switch/hub where a trap is  
generated to the management station. The network administrator can then determine  
the source of the loss.  
Management  
Station  
Switch/Hub  
w/SNMP  
Switch/Hub Remote  
w/SNMP Station  
twister”  
twister”  
A
B
LLCF is ON  
LLR2 is ON  
LLR1 is OFF  
LLCF is ON  
LLR2 is ON  
LLR1 is OFF  
Broken  
Conductor  
Port 1  
Link Loss Carried Forward  
Port 2  
Link Loss Carried Forward  
Link Loss Returned  
LED lit = established link  
LED unlit = no link  
IMPORTANT: LLR must not be active on both ends of a configuration. If it is, the  
link can never be established.  
*Units are shipped with LLR disabled (OFF). On the copper-to-fiber boards, LLR is always enabled on the copper port and  
cannot be disabled.  
12  
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Link Loss Carry Forward (LLCF)  
The fiber-to-fiber “twister” units incorporate LLCF functionality to assist in trouble-  
shooting a remote connection. When LLCF is enabled*, the ports do not transmit link  
signals until they receive link signals from the opposite port. When a lost link signal  
is returned to an unmanaged “twister” unit, that lost link must then be carried  
forward to a managed device (switch/hub) for trap generation. LLCF works in  
conjunction with LLR.  
The diagram below shows a typical network configuration with good link status  
using two fiber-to-fiber “twister” units for remote connectivity. Note that LLCF is  
enabled as indicated in the diagram.  
Management Switch/Hub  
Station w/SNMP  
Switch/Hub Management  
w/SNMP Station  
twister”  
twister”  
LLCF is ON  
LLCF is ON  
Remote  
Cable  
LED lit = established link  
LED unlit = no link  
If a connection breaks, the “twister” units will carry that link loss forward to the  
switch/hub which generates a trap to the management station. The administrator can  
then determine the source of the problem.  
Management Switch/Hub  
Station w/SNMP  
Switch/Hub Management  
w/SNMP Station  
twister”  
twister”  
LLCF is ON  
LLCF is ON  
Broken  
Remote  
Cable  
Link Loss Carried Forward  
Link Loss Carried Forward  
LED lit = established link  
LED unlit = no link  
Management Switch/Hub  
Station w/SNMP  
Switch/Hub Management  
w/SNMP Station  
twister”  
twister”  
LLCF is ON  
LLCF is ON  
Remote  
Cable  
Broken  
Cable  
Link Loss Carried Forward  
LED unlit = no link  
LED lit = established link  
*Units are shipped with LLCF disabled (DOWN). On the fiber-to-fiber converters (2151-AD-, 2125-xx- and 2135-34-01), LLCF is  
always enabled and cannot be disabled.  
Gigabit twisterand SONET twister”  
13  
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Copper Loss Carry Forward (CLCF)  
The copper-to-fiber “twister” incorporates CLCF for identifying a lost copper  
connection. When CLCF is enabled*, the fiber port’s transmitter shuts down if the  
copper port stops receiving link pulses. However, the copper port continually  
transmits link signals regardless of whether or not the fiber port detects link.  
The diagram below shows a typical network configuration with good link status  
using two copper-to-fiber “twister” units for remote connectivity. Note that CLCF is  
enabled as indicated.  
Management Switch/Hub  
Station w/SNMP  
Switch/Hub Management  
w/SNMP Station  
"twister"  
"twister"  
CLCF is ON  
CLCF is ON  
Fiber  
Cable  
Copper  
Cable  
Copper  
Cable  
Port  
1
Port Port  
Port  
2
2
1
LED lit = established link  
LED unlit = no link  
If a copper connection breaks, the “twister” will carry that link loss forward.  
Management Switch/Hub  
Station w/SNMP  
Switch/Hub Management  
w/SNMP Station  
"twister"  
"twister"  
CLCF is ON  
CLCF is ON  
Broken  
Copper  
Cable  
Copper Loss Carried Forward  
LED unlit = no link  
LED lit = established link  
Loss of link at the fiber port is not propagated, as shown in the example below.  
Management Switch/Hub  
Station w/SNMP  
Switch/Hub Management  
w/SNMP Station  
"twister"  
"twister"  
LLR2 is OFF  
Broken  
Fiber  
Cable  
LED lit = established link  
LED unlit = no link  
*Units are shipped with CLCF disabled. CLCF is not applicable to fiber-to-fiber models.  
14  
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Topology Solutions  
Enterprise Switch  
Servers  
Enterprise  
twister”  
Switch  
twister”  
singlemode F/O  
twister”  
singlemode F/O  
Switch  
twister”  
singlemode F/O  
Multimode F/O Links  
Singlemode F/O Links  
Technical Specifications  
Twisted-Pair Interface  
Connector _____________________________________________________ RJ-45  
Impedance_________________________________________________ 50typical  
Signal Level Output (differential) ____________________________ 0.95 to 1.05V  
Supported Link Length ____________________________________________ 100m  
Cable Type ___________________________________________ Category 5e UTP  
Gigabit Ethernet (1000Base-T) Crossover Pin Layout  
Plug A  
Plug B  
Conductor  
Color Code  
BI_DA+ white/orange  
Pin  
#
Conductor Pin  
Signal  
Signal  
Color Code  
white/green  
green  
#
1
2
3
4
5
6
7
8
BI_DA+  
BI_DA-  
1
2
3
4
5
6
7
8
BI_DA-  
BI_DB+  
BI_DC+  
BI_DC-  
BI_DB-  
BI_DD+  
BI_DD-  
orange  
white/green  
white/blue  
brown  
BI_DB+ white/orange  
BI_DC+  
BI_DC-  
BI_DB-  
BI_DD+  
BI_DD-  
blue  
white/blue  
orange  
green  
white/brown  
brown  
blue  
white/blue  
Gigabit twisterand SONET twister”  
15  
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Fiber Optic Interface  
Cable  
Size  
Core/  
Clad  
RX  
Input  
Power Power  
(min) (sat)  
RX  
Input  
TX  
TX  
Fiber Wave  
Model  
Cable  
Output Output Power  
Power  
(min)  
Type Length Length  
Power Budget*  
(max)  
2km  
50/  
125µm  
-30dBm -14dBm -23.5dBm -14dBm 6.5dBm  
-30dBm -14dBm -20dBm -14dBm 10dBm  
(rated)  
MM 1310nm  
2km  
2125-34  
2125-37  
62.5/  
125µm  
(rated)  
15km  
(rated,  
2125-34  
SM 1310nm based on 9/125µm -35dBm -8dBm -15dBm -8dBm 20dBm  
power  
budget)  
SM  
(LH)  
40km  
(rated)  
2125-37  
2135-34  
2135-34  
1310nm  
9/125µm -35dBm 0dBm  
50/  
-5dBm  
0dBm  
30dBm  
500m  
(rated)  
-26dBm -14dBm -22.5dBm -14dBm 3.5dBm  
125µm  
MM 1310nm  
SM 1310nm  
500m  
(rated)  
62.5/  
125µm  
-20dBm  
(typical)  
-26dBm -14dBm  
-14dBm 6dBm  
15km  
(rated)  
9/125µm -28dBm -7dBm -15dBm -8dBm 13dBm  
2151-AD  
2152-AA  
2152-AD  
2152-AF  
2152-A7  
2152-AJ  
2152-1A  
2152-1K  
62.5/  
220m  
500m  
-17dBm -3dBm -9.5dBm -4dBm 7.5dBm  
125µm  
MM  
850nm  
(SX)  
50/  
-17dBm -3dBm -9.5dBm -4dBm 7.5dBm  
125µm  
2151-AD  
2152-AD  
2152-DD  
2152-DF  
2152-D7  
2152-DJ  
2152-1D  
2152-1M  
62.5/  
125µm**  
550m  
550m  
-20dBm -3dBm -11.5dBm -3dBm 8.5dBm  
SM  
50/  
125µm**  
1310nm  
(LX)  
-20dBm -3dBm -11.5dBm -3dBm 8.5dBm  
10km 9/125µm -20dBm -3dBm -9.5dBm -3dBm 10.5dBm  
2152-1F  
2152-AF  
2152-DF  
SM  
1310nm  
(MR)  
25km 9/125µm -21dBm -3dBm  
40km 9/125µm -21dBm -3dBm  
-4dBm  
-4dBm  
+1dBm 17dBm  
+1dBm 17dBm  
2152-A7  
2152-D7  
2152-77  
2152-17  
SM  
1550nm  
(LH)  
2152-AJ  
2152-DJ  
2152-JJ  
2152-1J  
SM  
1550nm  
(EX)  
70km 9/125µm -23dBm -3dBm  
-3dBm  
+2dBm 20dBm  
* Power Budget = [TX Output Power (min)] [RX Input Power (min)]  
** Using multimode cable with a singlemode transducer.  
16  
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BWDM Interface  
Connector ________________________________________________________ SC  
Supported Link Length ________________________________________up to 20km  
Cable Type _______________________________________________ 9/125µm F/O  
Output Power _________________________________________ -9 dBm to -3 dBm  
RX Input Sensitivity ___________________________________ -20 dBm minimum  
Wavelength (2152-1X-01, 2152-AX-01)  
Transmitter _______________________________________________ 1550 nm  
Receiver__________________________________________________ 1310 nm  
Wavelength (2152-1Y-01, 2152-AY-01)  
Transmitter _______________________________________________ 1310 nm  
Receiver__________________________________________________ 1550 nm  
Data Rate  
Data Rate ______________________________________ 1Gbps (Gigabit Ethernet)  
________________ 155Mbps (OC-3/STM-1), 622Mbps (OC-12/STM-4)  
Power Supply  
Input ___________________________________________ 100-240V AC 50-60 Hz  
Output _________________________________________________ +5V DC @ 2 A  
Environmental  
Operating Temperature ________________________________________ 0° to 55° C  
Storage Temperature ________________________________________ -25° to 70° C  
Relative Humidity ______________________________5% to 95% non-condensing  
Physical Case _____________________________ Fully enclosed metal construction  
Dimensions ___________________________________ 4.83" L x 3.26" W x 1.71" H  
____________________________________ 12.3 cm x 8.3 cm x 4.3 cm  
Weight (including power supply) ______________________________ 3 lbs, 1.36 kg  
Gigabit twisterand SONET twister”  
17  
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Product Safety, EMC and Compliance Statements  
This equipment complies with the following requirements:  
• UL  
• CSA  
• EN60950 (safety)  
• FCC Part 15, Class A  
• EN55022 Class A (emissions)  
• DOC Class A (emissions)  
• EN55024: 1998 (immunity)  
• IEC 825-1 Classification  
• Class 1 Laser Product  
This product shall be handled, stored and disposed of in accordance with all govern-  
ing and applicable safety and environmental regulatory agency requirements.  
The following FCC and Industry Canada compliance information is applicable to  
North American customers only.  
USA FCC Radio Frequency Interference Statement  
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 interfer-  
ence in which case the user will be required to correct the interference at his own  
expense.  
Caution: Changes or modifications to this equipment not expressly approved by the  
party responsible for compliance could void the users authority to operate the  
equipment.  
Canadian Radio Frequency Interference Statement  
This Class A digital apparatus meets all requirements of the Canadian Interference-  
Causing Equipment Regulations.  
Cet appareil numérique de la classe A respecte toutes les exigences du Réglement sur  
le matériel brouilleur du Canada.  
18  
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Warranty and Servicing  
Three-Year Warranty for the Metrobility “twister”  
Metrobility Optical Systems, Inc. warrants that every “twister” product will be free  
from defects in material and workmanship for a period of THREE YEARS. This  
warranty covers the original user only and is not transferable. Should the unit fail at  
any time during this warranty period, Metrobility will, at its sole discretion, replace,  
repair, or refund the purchase price of the product. This warranty is limited to defects  
in workmanship and materials and does not cover damage from accident, acts of  
God, neglect, contamination, misuse or abnormal conditions of operation or han-  
dling, including overvoltage failures caused by use outside of the product’s specified  
rating, or normal wear and tear of mechanical components.  
To establish original ownership and provide date of purchase, complete and return  
the registration card or register the product online at www.metrobility.com. If  
product was not purchased directly from Metrobility, please provide source, invoice  
number and date of purchase.  
To return a defective product for warranty coverage, contact Metrobility Customer  
Service for a return materials authorization (RMA) number. Send the defective  
product postage and insurance prepaid to the address provided to you by the Metro-  
bility Technical Support Representative. Failure to properly protect the product  
during shipping may void this warranty. The Metrobility RMA number must be  
clearly on the outside of the carton to ensure its acceptance.  
Metrobility will pay return transportation for product repaired or replaced in-  
warranty. Before making any repair not covered by the warranty, Metrobility will  
estimate cost and obtain authorization, then invoice for repair and return transporta-  
tion. Metrobility reserves the right to charge for all testing and shipping costs  
incurred, if test results determine that the unit is without defect.  
This warranty constitutes the buyer’s sole remedy. No other warranties, such as  
fitness for a particular purpose, are expressed or implied. Under no circumstances  
will Metrobility be liable for any damages incurred by the use of this product  
including, but not limited to, lost profits, lost savings, and incidental or consequential  
damages arising from the use of, or inability to use, this product. Authorized resellers  
are not authorized to extend any other warranty on Metrobility’s behalf.  
Gigabit twisterand SONET twister”  
19  
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Product Manuals  
The most recent version of this manual is available online at  
Product Registration  
To register your product, go to  
25 Manchester Street, Merrimack, NH 03087  
tel: 1.603.880.1833 • fax: 1.603.594.2887  
5660-2151AD-01 J  
2/04  
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