Cisco ASR 9901 Hardware Installation Guide

Step 3 Use two persons to lift the chassis into the rack holding the top and bottom of the chassis (see the figure
below).
Figure 64: Correct Lifting Positions
Step 4 Position the chassis so that the mounting brackets on the sides of the chassis align with the slide rail assemblies.
Step 5 Slide the chassis into the rack until the rack-mounting flanges are flush against the mounting rails on the rack.
Step 6 Hold the chassis in position against the mounting rails while the second person finger-tightens four screws to
the rack rails on each side of the chassis (see the figure below).
Cisco ASR 9901, ASR 9001, and ASR 9001-S Routers Hardware Installation Guide
54
Unpacking and Installing the Chassis
Installing the Chassis in a Four-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)