Installation guide
5-7
Cisco 10000 Series Routers Line Card Hardware Installation Guide
OL-6773-04
Chapter 5 24-Port Channelized E1/T1 Line Card Overview
Cables, Connectors, and Pinouts
Figure 5-3 Line Card Slot Designations for the Cisco 10005 Router
The 24-port channelized E1/T1 line card can be installed in line card slot 1 through slot 5.
Cables, Connectors, and Pinouts
You can use up to 24 Category 3 or Category 5 unshielded twisted pair (UTP) transmit and receive cables
with RJ-45 connectors at each end. These cables connect to two staggered 12-line faceplate RJ-45 jacks
with 110-ohm balanced-line inputs, which allow the line card to operate in either T1 (100 ohm balanced)
or E1 (120 ohm balanced) mode. The faceplate RJ-45 jacks are numbered 0 to 11 and 12 to 23
left-to-right and top-to-bottom.
You can also use a Cisco cable adapter (CAB-ADAPT-75-120=) for coaxial British Navel Connector
(BNC) unbalanced transmit and receive E1 connections (see the “Using the BNC Cable Adapter” section
on page 5-8).
Caution If the Cisco 10000 series router is used in an environment in which lightning-induced transients are
likely to couple to the signal lines, use of shielded interconnection cables for the E1/T1 ports is highly
recommended. In addition, use of shielded interconnection cables for the E1/T1 ports is required to meet
Telcordia (formerly Bellcore) GR1089 CORE Section 4.5.9 and ETSI Section 5.2.2.2 (intrabuilding
lightning surge).
1 PRE slot A 3 Line card slots 1 (top) to 5 (bottom)
2 PRE slot B
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CISCO
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MAJOR
CONSOLE
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CISCO
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ENABLE
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OC-12/STM-4 ATM SM-IR
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CISCO
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CARRIER
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1
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CARRIER
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OC-12/STM-4 POS SM-IR
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OC-12/STM-4 POS SM-IR
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1
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