Installing And Removing The Cisco 2911 Router Optional Dc Power Supply - Cisco 2900 Series Installation Manual

Replacing Power Supplies and Redundant Power Supplies
Loosen the two captive screws on the power supply module. See
Step 2
Slide the power supply module out of the chassis.
Step 3
Insert the replacement power supply module and tighten the captive screws.
Step 4
If you are not immediately replacing the power supply, install the blank cover over the empty supply slot.
Step 5
See the
Blank faceplates and cover panels serve three important functions: they prevent exposure to
Warning
hazardous voltages and currents inside the chassis; they contain electromagnetic interference (EMI)
that might disrupt other equipment; and they direct the flow of cooling air through the chassis. Do not
operate the system unless all cards, faceplates, front covers, and rear covers are in place. Statement
1029

Installing and Removing the Cisco 2911 Router Optional DC Power Supply

Several power supply options are available for the Cisco 2911 router. See
supply options have the same modular form factor for easy removal and replacement.
Warning This unit might have more than one power supply connection. All connections must be removed to
de-energize the unit. Statement 1028
Warning Only trained and qualified personnel should be allowed to install, replace, or service this equipment.
Statement 1030
Installing the 2911 DC Power Supply
Perform the following steps to install the 2911 DC or DC+POE power supply:
Read the
Step 1
perform any module removal or installation.
Remove the AC power supply module from the system by loosening the two captive screws using a
Step 2
number 1 Phillips head screwdriver (See
I/O side (See
Slide the power supply module out of the chassis.
Step 3
Insert the replacement DC power supply module and tighten the captive screws. Torque to 8 to10 in-lbf
Step 4
(0.9 to 1.1 N-m).
Cisco 2900 Series and 3900 Series Hardware Installation Guide
5-32
"Installing the Cisco 2911 Router Power Supply Blank" section on page
"Safety Warnings" section on page 5-2
Figure 5-27) of the chassis.
Chapter 5 Installing and Upgrading Internal Modules and FRUs
Figure
section and disconnect the power supply before you
Figure 5-26) and pulling the power supply out slowly from the
5-26.
5-33.
Table 1-9. All of the power