Dc Power Modules; Dc Power Shelves; Dc Shelf Power Switch - Cisco ASR 9000 series Reference Manual

Chapter 2 Functional Description

DC Power Modules

Up to three DC/DC power modules can be installed in a DC power shelf. In the ASR 9010 Router, two
DC power shelves with a total of six DC power modules can be installed to provide 5 + 1 maximum
power redundancy.
In the ASR 9006 Router, one DC power shelf with a total of three DC power modules can be installed
to provide 2 + 1 maximum power redundancy.
Figure 2-20
1
Door/ejector latch

DC Power Shelves

The DC power shelf
communication is through a I2C cable from the backplane.

DC Shelf Power Switch

Each DC power shelf provides a single-pole, single-throw power switch to power on and off the three
power modules installed in the shelf simultaneously.
OL-17501-01
D R A F T — C I S C O C O N F I D E N T I A L
DC Power Module
1
2
2
Door/ejector
(Figure 2-21) provides two power feed connector banks, A feed and B feed. System
Cisco ASR 9000 Aggregation Services Router Overview and Reference Guide
3
3
LED Indicators
Power System Functional Description
2-27