Replace the Power Supply
Before you begin this task, ensure that you have read and understood the safety warnings in the
section of the
handout topic.
The Cisco ASR-920-20SZ-M Router power supplies are hot-swappable. If you have installed redundant power
supplies, you can replace a single power supply without interrupting power to the router.
Note
To avoid erroneous failure messages, allow at least 2 minutes for the system to reinitialize after a power supply
has been removed or replaced.
Caution
You can replace the AC or the DC power supply.
•
Remove the DC Power Supply, on page 1
•
Remove the AC Power Supply, on page 3
Remove the DC Power Supply
This equipment is suitable for installation in Network Telecommunications Facilities and locations where the
NEC applies. The equipment is suitable for installation as part of the Common Bonding Network (CBN).
Note
The grounding architecture of this product is DC-isolated (DC-I) for DC-powered products. DC-powered
products have a nominal operating DC voltage of 48 VDC. Minimal steady state DC operating voltage is 19.2
VDC.
Caution
Replace the Power Supply
1
