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Prerequisites
• An alarm module
• Power distribution connections and wiring.
The power shelf is installed in the LCC from the front (PLIM) side. Although differences exist among the
different power shelf types (AC Wye, AC Delta, and DC), they are installed in the same manner. This figure
shows a fixed configuration AC power shelf. The fixed configuration DC power shelf is similar.
Figure 11: AC Wye Power Shelf with AC Rectifiers Installed
1
Lever handle captive screws
2
Lever handle (left handle shown)
Prerequisites
Before performing this task, remove the upper grille on the front (PLIM) side of the chassis (if installed).
Note
Do not install the power shelf in the chassis with DC PEMs, AC rectifiers, or alarm module installed in the
power shelf.
Required Tools and Equipment
You need the following tools and part to perform this task:
• ESD-preventive wrist strap
• 1/4-in. x 6-in. long slotted screwdriver
• Fixed configuration AC or DC power shelf
Steps
To install a fixed configuration power shelf, perform the following steps:
Installing and Removing Power Components
16
• AC Delta power shelf (Cisco product number CRS-16-LCC-PS-ACD=), or
• AC Wye power shelf (Cisco product number CRS-16-LCC-PS-ACW=), or
• DC power shelf (Cisco product number CRS-16-LCC-PS-DC=)
3
Power shelf captive screws
4
Power shelf I/O switch
Installing and Removing Power Components
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