Cisco ASR 9901 Hardware Installation Guide

Figure 63: 23-Inch Two-Post Rack
Four screws on each side to attach the chassis to the
rack
1
Step 7 Fully tighten all the screws to secure the chassis to the rack rails.
Installing the Chassis in a Four-Post Rack
To install the chassis in a four-post open rack, follow these steps:
Before you begin
Before you install the chassis in the rack, make sure that you have the necessary tools and equipment (see
Before you Begin, on page 48).
Procedure
Step 1 Attach the mounting brackets to the sides of the chassis using twelve M4 flat-head screws per side. The
recommended maximum torque is 15 in.-lb (1.7 N-m).
Cisco ASR 9901, ASR 9001, and ASR 9001-S Routers Hardware Installation Guide
52
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)