Protective sleeving around the stud and cable3Negative lead1
Ground stud and cable4Positive lead2
When removing the unit, the ground connection must always be made first and disconnected last.
Warning
Step 6 Loosen the four captive screws on the DC power supply.
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.
Note
If you remove a power supply from a system that has four power supplies that are connected and powered 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.
Caution
Step 7 Grasping the power supply handles, pull the power supply from the chassis.
Step 8 Replace the DC power supply within five minutes.
What to do next
This completes the procedure of removing a DC power supply from the Cisco ASR 1013 Router.
Replacing the DC Power Supply in Cisco ASR 1013 Router
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 –48 V on negative
(–) terminal and red is used for RTN on 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.
Note
When you install the unit, the ground connection must always be made first and disconnected last. Statement
1046
Warning
To install the DC power supply, follow these steps:
SUMMARY STEPS
1. 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.
2. Tighten the captive screws on the power supply.
3. Make certain that the chassis ground is connected before you begin installing the DC power supply.
Removing and Replacing FRUs from the Cisco ASR 1000 Series Routers
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Removing and Replacing FRUs from the Cisco ASR 1000 Series Routers
Replacing the DC Power Supply in Cisco ASR 1013 Router