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Chapter 14
Removing and Replacing FRUs from the Cisco ASR 1000 Series Routers
Figure 14-52
Figure 14-52
1
1
Ground stud and wire
2
Ground lug nut
3
Ground symbol
Locate the power supply ground stud (see
Step 5
power supply.
Loosen and remove the Kepnut screw, washer, and ground lug in that order.
Step 6
When installing the unit, the ground connection must always be made first and disconnected last.
Warning
Loosen the captive screws on the DC power supply.
Step 7
Note
OL-13208-11
shows the DC power supply terminal block with lead wires connected.
Cisco ASR 1004 Router DC Power Supply Terminal Block Lead Wire Connection
5
4
Four power supplies must be installed in the chassis at all times, with a minimum of two power
supplies (one per zone) connected to the mains in order to power on the system and 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 must be connected.
Cisco ASR 1000 Series Aggregation Services Routers Hardware Installation Guide
Removing and Replacing the Cisco ASR 1004 Router Power Supplies
2
3
4
Flat washer
5
Kepnut screw
— —
Figure
14-44). Remove the ground (GND) cable from the DC
14-73
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