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Cisco ASR 1000 series Hardware Installation Manual page 494

Aggregation services routers
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Removing and Replacing the Cisco ASR 1006 Router Power Supplies
Figure 14-45
ASR1013/06-PWR-DC power supply of the Cisco ASR 1006 Router.
Figure 14-45
Cisco ASR 1006 Router DC Power Supply (ASR1013/06-PWR-DC) Terminal Block Cable Connections
-48/-60V
This unit might have more than one power supply connection. All connections must be removed to de-energize the unit.
4
1
2
Step 6
Locate the power supply ground stud (see
power supply.
Loosen and remove the Kepnut screw, washer, and ground lug in that order.
Step 7
When installing the unit, the ground connection must always be made first and disconnected last.
Warning
Loosen the four captive screws on the DC power supply.
Step 8
Note
If you remove a power supply from a system that has four power supplies that are connected and powered
Caution
on, the system can run only for a maximum of five minutes before shutting down. However, because the
fans and power elements are independent within the power supply, the replacement power supply does
not have to be energized within five minutes. The only requirement is that the power supply be installed
in the chassis in order to energize the fans and maintain proper system cooling.
Grasping the power supply handles, pull the power supply from the chassis.
Step 9
Cisco ASR 1000 Series Aggregation Services Routers Hardware Installation Guide
14-64
shows the DC power supply terminal block with cables connected for the
1
2
40A
3
Negative lead
Positive lead
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.
Chapter 14
Removing and Replacing FRUs from the Cisco ASR 1000 Series Routers
OUTPUT INPUT
FAN
FAIL
OK
OK
ALARMS
60V
1A MAX
3
Protective sleeving around the stud and cable
4
Ground stud and cable
Figure
14-44). Remove the ground (GND) cable from the DC
OL-13208-11

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