Removing And Replacing The Chassis Interface In The Cisco 7507 And Cisco 7507-Mx - Cisco 7500 Series Configuration Manual

Maintenance Procedures for the Cisco 7507 and Cisco 7507-MX
Before working on a chassis or working near power supplies, unplug the power cord on AC units;
Warning
disconnect the power at the circuit breaker on DC units.

Removing and Replacing the Chassis Interface in the Cisco 7507 and Cisco 7507-MX

The chassis interface (CI) (shown in
for the Cisco 7507 and Cisco 7507-MX. The CI is a printed circuit board mounted to the noninterface
processor side (rear) of the backplane. The CI plugs directly into the backplane through the edge
connector on the CI and a connector on the rear of the backplane. The chassis interface ships as a spare
part as Product Number MAS-7500CI=. Replace the CI only if it fails.
Figure 6-9
Standoff
screw holes
Use the following procedure to remove the CI:
Step 1 Turn off the system power switch and disconnect the power cable from the power source.
Attach an ESD-preventive strap (your own or the one supplied with the FRU) between you and an
Step 2
unpainted chassis surface.
Step 3 Remove the front panels. (See Step 1 through Step 6 in the procedure for removing front cover panels in
the
page
Step 4 Locate the CI board on the rear of the backplane. (See
Step 5 Carefully remove the CI from its backplane connector.
If necessary, gently rock the CI from side to side very slightly to dislodge the pins from the backplane
Note
connector.
Place the CI in an antistatic bag.
Step 6
This completes the CI removal procedure.
Cisco 7500 Series Installation and Configuration Guide
6-12
7500 Series Chassis Interface
Chassis interface
"Removing and Replacing the Cisco 7507 and Cisco 7507-MX Front Chassis Panels" section on
6-6.)
Chapter 6 Maintaining Your Cisco 7507 and Cisco 7507-MX Router
Figure 6-9) provides environmental monitoring and logic functions
Standoff
screw holes
Figure 6-8.)
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