Cisco CRS Series

Required Tools and Equipment
You need the following tools to perform this task:
•
6-in. long number 2 Phillips screwdriver
•
Torque screwdriver with number 2 Phillips head and rated accuracy at 15 in.-lb (1.69 N m) to 20 in.-lb
(2.26 N m)
•
AC or DC power shelf
◦
AC power shelf (Cisco product number CRS-16-PWRSH-AC=), or
◦
DC power shelf (Cisco product number CRS-16-PWRSH-DC=)
Steps
To install the AC or DC power shelf, perform the following steps
SUMMARY STEPS
1.
Unpack the shelves to be installed.
2.
Using two people, one to support the power shelf underneath and the other to keep it steady, lift the power
shelf up and slide it partway into the power shelf slot on the front (PLIM) side of the chassis. See Figure
19: Installing the Power Shelf in the Chassis, on page 28.
3.
Unscrew the ejector handles from the front face of the shelf, one on each side. See Figure 18: Power Shelf
Ejector Handles on Front of Power Shelf, on page 27.
4.
Grasping both handles simultaneously, push both the left and right handles up and in at the same time to
push the shelf into the chassis. Slide the shelf all the way into the chassis, until both power shelf handles
hook around the pins.
5.
Using the screwdriver, tighten the captive screw on both power shFigure 20: Installing and Securing Power
Shelf, on page 29 Figure 3-20 .
6.
Using the torque screwdriver, tighten the two screws that attach the bottom of the power shelf, one on
each side, to the chassis to a torque value of 15 in.-lb (1.69 N m) to 20 in.-lb (2.26 N m). See Figure 20:
Installing and Securing Power Shelf, on page 29.
7.
Install the second power shelf, following through Step 3 through Step 6.
Cisco CRS Routers 16-Slot Line Card Chassis Enhanced Router Installation Guide
26
Installing Power Components
Installing an AC or DC Power Shelf