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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 Cisco ASR 1004 Router Power Supply
The Cisco ASR 1004 Router has two of the same type power supplies in power supply Slot 0 and power
supply Slot 1.
Figure 8-23 Cisco ASR 1004 Router AC Power Supply Slot 0 and Slot 1
Following these steps to remove an AC power supply from the Cisco ASR 1004 Router.
Step 1 Slip on the ESD-preventative wrist strap that was included in the accessory kit.
Step 2 Before you turn off a power supply, make certain the chassis is grounded.
Step 3 Turn the power supply Standby switch to the Standby position.
Step 4 Unplug the power cable from the AC inlet on the back of the power supply and the power source.
Step 5 Unscrew the four power supply captive screws and grasp the handles on both sides of the power supply.
Note Two power supplies must be installed in the chassis at all times to ensure sufficient cooling. The
system fans are inside the power supply units and must spin for cooling. Because all the system
fans can be powered by one power supply, the second power supply unit does not have to be
powered on, but it must be installed.
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.
1 AC power supply Standby switch 4 AC power supply fan
2 AC power supply LEDs 5 AC power inlet
3 DB-25 alarm connector 6 AC power supply handle
280184
OUTPUT INPUT
FAIL
OK OK
FAN
100V-240V~ 12A-5A
50-60Hz
ALARMS
60V
1A MAX
OUTPUT INPUT
FAIL
OK OK
FAN
100V-240V~ 12A-5A
50-60Hz
ALARMS
60V
1A MAX
1 2
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