Cisco ASR 9901 Hardware Installation Guide

Step 3 Repeat Step 2 for the other power modules installed in the chassis.
To prevent injury and damage to the equipment, always attach the ground and source DC power
cable to power module terminals in the following order: (1) ground to ground, (2) positive (+) to
positive (+), (3) negative (–) to negative (–).
Caution
Figure 95: Cisco ASR 9901: Typical Power Connections for a Single DC Power Module
Cisco ASR 9901, ASR 9001, and ASR 9001-S Routers Hardware Installation Guide
97
Installing Modules and Cables in the Chassis
Connecting Power to a DC-Powered Router

Cisco ASR 9901 Specifications

General

Chassis Height	1 RU
Rack Mounting	Yes
Redundancy	Yes
Operating System	Cisco IOS XR
Switching Capacity	Up to 1.2 Tbps
Memory	16 GB
Power Supply	Dual redundant AC or DC
Interfaces	10GE, 100GE
Operating Temperature	0 to 40°C (32 to 104°F)
Input Voltage	100-240V AC
Power Consumption	Varies based on configuration
Storage	64 GB SSD
Humidity	5% to 95% (non-condensing)