Installation guide
A-1
Cisco 10000 Series Routers Line Card Hardware Installation Guide
OL-6773-04
APPENDIX
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Cisco 10005 Extender Card Information
All Cisco 10005 line cards connect to a backplane in the center of the chassis, and require extender cards
to deliver the alarm, BITS clock, and DS3 signals to the rear of the chassis to make them accessible. The
Cisco 10005 alarm extender card and T3/E3 extender card extend and terminate these signals.
The alarm extender card slides into the bottom slot in the back of the chassis, and terminates the alarm
signals with wire wrap header connectors (Figure A-1).
Figure A-1 Alarm Extender Card
The T3/E3 extender card extends the signals of the channelized T3 line card located in the slot directly
opposite in the front of the chassis, and terminates the eight pairs of DS3 signals with BNC connectors
(Figure A-2)
Figure A-2 T3/E3 Extender Card
.Installation Guidelines
Before you perform the procedures in this guide, we recommend that you read Chapter 16, “Preparing
for Installation.”
The Cisco 10005 system is hot-swappable, which means you can remove and replace line cards while
the system is operating.
Be sure to remove the correct extender card. If you remove the alarm extender card, this disconnects the
BITS clock and external alarm devices. If you remove the T3/E3 extender card, this stops all traffic to
and from its associated CT3 line card.
CRITICAL
ALARM
MINOR
ALARM
MAJOR
ALARM
EXT
CLOCK
A+
A-
B+
B-
NO
CO
NC
NO
CO
NC
NO
CO
NC
5
0981
60 VDC
1A MAX
Wire wrap
connectors
5
0982
RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX
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