Cisco Catalyst 7500 Series 매뉴얼 교체 - 페이지 14
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Replacing the CI in the Cisco 7505
Removing the CI
Follow these steps to remove the CI:
Step 1
Step 2
Step 3
Step 4
This completes the CI removal procedure.
Figure 8
Chassis
interface
standoffs (4)
Installing the New CI
When you replace the CI, hold it in the orientation shown in Figure 8, with the connector along the
top and facing the backplane. Position the board over the backplane connector and align the four
standoff holes in the corners of the board with the four standoffs.
Follow these steps to replace the CI:
Step 1
Step 2
Step 3
14 Replacing the Chassis Interface (CI) Board in the Cisco 7500 Series Chassis
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 unpainted chassis surface.
Because you already had to remove the CI standoff screws to remove the backplane cover,
the CI is held in place only by the connector that is connected to the backplane. Grasp the
edges of the CI and pull it straight out at a 90-degree orientation to the backplane to
disconnect the CI connector from the backplane socket. (See Figure 8.) If necessary, gently
rock the CI from side to side very slightly to dislodge the pins from the backplane
connector.
Place the CI in an antistatic bag.
Removing and Replacing the CI
Attach an ESD-preventive strap (your own or the one supplied with the FRU) between you
and an unpainted chassis surface.
Place your fingers around the top and side edges of the CI and push it straight in toward the
backplane until the connector is fully seated in the backplane socket and the standoff screw
holes in the CI are aligned with the standoffs. (See Figure 8.) It might be necessary to gently
rock the connectors into place.
Reconnect the power harness plug to the backplane receptacle; the plug and receptacle are
polarized with notches on the guide tabs. If you have trouble making the connection, ensure
that the notch is at the top on both guide tabs (top and bottom) on the plug.