Replace Dc Power Module; Disconnect Dc Power - Cisco 8800 Series Hardware Installation Manual

Replace DC Power Module

Replace DC Power Module
Follow these steps to remove a DC power module from the chassis.
Procedure
Step 1 Pull the handle down.
Step 2
Unscrew the screw that secures the power module using a Phillips screw driver.
Step 3 Slide the power module out of its bay while supporting it with your other hand to remove it.
Figure 82: DC Power Module
Step 4
Slide the new power module into the bay until it mates with its backplane connector.
Step 5 Move the handle up.
Step 6
Tighten the screw that secures the power module using a Phillips screw driver.
Caution
Step 7 Verify that the (green) Power Input indicator on the front of the power module goes on.

Disconnect DC Power

Procedure
Step 1 Power off the circuit breaker assigned to the DC power source you are disconnecting.
Caution
Step 2 Remove the clear plastic safety covers that fit over the DC power connection terminal studs.
Caution
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To prevent damage to the power tray backplane connector, do not use excessive force when inserting
the power module into the power tray.
To ensure that power remains off while you are performing this procedure, lock-out/tag-out the
circuit breaker switch in the STANDBY (0) position until you are ready to turn it on.
To prevent injury and damage to the equipment, always remove the source DC power cables and
ground from the power tray terminals in the following order : (1) negative (–), (2) positive (+).
Replace Chassis Components