2-28
Cisco CRS Carrier Routing System 4-Slot Line Card Chassis Installation Guide
OL-10971-10
Chapter 2 Installing and Removing Power Components
Installing a Power Supply
What to Do Next
After performing this task, you may install a replacement power shelf (see the
“Installing an AC Power
Shelf” section on page 2-24
), install the power supplies (see the
“Installing a Power Supply” section on
page 2-28
), and replace any front chassis cosmetic covers.
Installing a Power Supply
This section describes how to install an AC or DC power supply in the Cisco CRS 4-slot power shelf.
The AC power supply converts facility AC power into the DC power necessary to power the cards and
modules in the chassis. Each AC and DC power supply has its own pair of cooling fans, which draws air
through the power supply.
For complete information on regulatory compliance and safety, see
Cisco CRS Carrier Routing System
Regulatory Compliance and Safety Information
.
Figure 2-24
shows a power supply.
Figure 2-24
Power Supply
Prerequisites
Before performing this task, make sure that the power shelf has been installed (see the
“Installing an AC
Power Shelf” section on page 2-24
or the
“Installing a DC Power Shelf” section on page 2-14
); remove
any cosmetic covers.
Required Tools and Equipment
You need the following tools and part to perform this task:
•
ESD-preventive wrist strap
•
Power supply
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