Removing A Fixed Configuration Power Shelf - Cisco SRS Series Installation Manual

Cisco crs routers 16-slot line card chassis

Table of Contents

Installing and Removing Power Components

SUMMARY STEPS

1. Attach the ESD-preventive wrist strap to your wrist and connect its leash to one of the ESD connection

sockets on the front (PLIM) side of the chassis or a bare metal surface on the chassis.

2. Make sure that the power shelf I/O switch, located on the front (PLIM) side of the chassis, is in the OFF

position.

3. The lever handles are fastened down for shipment. Use the screwdriver to turn the two captive screws,

one on each lever handle, to unfasten them.

4. Supporting the unit by the bottom and grasping one side for balance, lift the power shelf up and slide it

into one of the power shelf slots on the chassis.

5. Slide the power shelf fully into the chassis and lift the lever handles up to lock the tray into position.

6. Use the screwdriver to turn the two lever screws on the front panel of the power shelf clockwise to seat

the power shelf firmly in the slot.

7. Use the screwdriver to turn the four captive screws on the interior of the power shelf clockwise to firmly

anchor the shelf to the sides of the chassis.

DETAILED STEPS

Step 1

Attach the ESD-preventive wrist strap to your wrist and connect its leash to one of the ESD connection sockets on the

front (PLIM) side of the chassis or a bare metal surface on the chassis.

Step 2

Make sure that the power shelf I/O switch, located on the front (PLIM) side of the chassis, is in the OFF position.

Step 3

The lever handles are fastened down for shipment. Use the screwdriver to turn the two captive screws, one on each lever

handle, to unfasten them.

Step 4

Supporting the unit by the bottom and grasping one side for balance, lift the power shelf up and slide it into one of the

power shelf slots on the chassis.

Caution

An empty power shelf weighs approximately 36 lb (16.3 kg). Because of the rack-mounted height of the chassis,

you should be especially careful while lifting and removing the power shelf. To prevent injury, keep your back

straight and lift with your legs, not your back. Avoid sudden twists or lateral moves. It is safer to use two people

and a ladder to install or remove the power shelf rather than a single person.

Step 5

Slide the power shelf fully into the chassis and lift the lever handles up to lock the tray into position.

Step 6

Use the screwdriver to turn the two lever screws on the front panel of the power shelf clockwise to seat the power shelf

firmly in the slot.

Step 7

Use the screwdriver to turn the four captive screws on the interior of the power shelf clockwise to firmly anchor the shelf

to the sides of the chassis.

What to do next

After performing this task, wire the power shelf

Fixed Configuration DC Power Shelf

PEM) and install the alarm module