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Cisco ASR 1000 Series Aggregation Services Routers Hardware Installation and Initial Configuration Guide
OL-13208-03
Chapter 8 Replacing Cisco ASR 1000 Series Routers Field-Replaceable Units
Removing and Replacing a DC Power Supply in Cisco ASR 1004 Router
Caution If you remove a power supply, the system can run for a maximum of five minutes before the system shuts
down. The fans and power elements are independent within the power supply. Therefore, it is not
required that the replacement power supply be energized within five minutes. The only requirement is
that the power supply be installed in the chassis, which energizes the fans and maintains proper system
cooling.
Step 8 Grasping the power supply handles, pull the power supply from the chassis.
Step 9 Replace the DC power supply within five minutes.
This completes the procedure of removing a DC power supply from the Cisco ASR 1004 Router.
Replacing the DC Power Supply in Cisco ASR 1004 Router
Note The color coding of the DC-input power supply leads depends on the color coding of the DC power
source at your site. Typically, green or green/yellow is used for ground (GND), black is used for negative
(–) terminal and red is used for the positive (+) terminal. Make certain the lead color coding you choose
for the DC-input power supply matches lead color coding used at the DC power source.
Warning
When you install the unit, the ground connection must always be made first and disconnected last.
Statement 1046
To install the DC power supply, follow these steps:
Step 1 Make certain that the chassis ground is connected before you begin installing the DC power supply.
Step 2 Grasp the DC power supply by the two handles and carefully slide it into the chassis. Make sure you
align the rear connector to the backplane until it is fully seated.
Step 3 Tighten the captive screws on the power supply.
Step 4 Locate the power supply terminal block and remove the plastic cover from the terminal block:
a. Unscrew and remove the two #10 screws.
b. Slide the cover off the terminal block towards the right.
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