Cisco ASR 9901 Hardware Installation Guide

If you are installing the router in a 23-inch rack, attach extension plates to the front and back of the
2-post rack using six M5 pan head screws each. Use a level to make sure the plates are level. Attach
the left and right slide rail assemblies to the extension plates on back of the 2-post rack using four
M5 pan head screws per side. The recommended maximum torque is 31 in.-lb (3.5 N-m).
Note
Step 3 Use two persons to lift the chassis into the rack holding the top and bottom of the chassis.
Cisco ASR 9901, ASR 9001, and ASR 9001-S Routers Hardware Installation Guide
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Unpacking and Installing the Chassis
Installing the Chassis in a Two-Post Rack

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)