Installation guide

4-7
Cisco 10000 Series Routers Line Card Hardware Installation Guide
OL-6773-04
Chapter 4 4-Port Channelized T3 Half-Height Line Card Overview
Cables and Connectors
Caution Do not install Y-cables unless you are using the Y-cable redundancy feature and have read all of these
instructions.
Caution The Y-cables must be installed before configuring redundancy, and removed before deconfiguring
redundancy.
• Eight BNC ports are arranged vertically per line card slot.
• Two BNC connectors, one TX and one RX, are used per port.
• Two 4-port channelized T3 half-height line cards can be placed in one slot, using the Carrier, with
four BNC ports allocated for each 4-port channelized T3 half-height line card.
• When the 4-port channelized T3 half-height line card is in subslot 0 (the top subslot), the BNC
connectors in use are ports 0 through 3.
• When the 4-port channelized T3 half-height line card is in subslot 1 (the bottom subslot), the BNC
connectors in use are ports 4 through 7.
Optional Y-Cables
Caution Read all of the information in this section before installing a Y-cable for redundancy.
Figure 4-4 shows the Y-cable. Figure 4-5 shows Y-cable connections. The product number for the
optional Y-cable is CAB-BNC-71NY=.
Figure 4-4 Optional Y-Cable
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