Cisco ASR 9901 Hardware Installation Guide

Installing the Optional Air Plenum Kit
The Cisco ASR 9001 Router has an optional air plenum kit (PID ASR-9001-PLENUM=) that converts the
chassis from side-to-side ventilation to front-to-back ventilation. This section describes how to install the air
plenum kit in a rack.
• Air Plenum Kit Contents, on page 62
• Supported Rack Types and Adapter Plates, on page 62
• Installing the Air Plenum Kit, on page 63
Air Plenum Kit Contents
The Cisco ASR 9001 Plenum Kit includes:
• One plenum assembly
• Adapter plates (three types, depending on the rack-type)
• One cable management tray and cable guide
• One grounding bracket
• Two grounding lugs with four M4 screws (two screws per grounding lug)
• Two 10-32 UNC screws and two M4 screws (for attaching the grounding bracket the Cisco ASR 9001
chassis)
Supported Rack Types and Adapter Plates
The following table lists the racks that support the optional air plenum kit and adapter plates.
Table 8: Supported Rack Types and Adapter Plates
Adapter PlatesRack StandardRack Type
EIA standardFlat profile post19-inch and 23-inch rack, two-post or four-post, 600 mm depth
EIA Standard23-inch cabinet, adjustable two-post or four-post, 600 mm depth
ETSI21-inch cabinet
Cisco ASR 9901, ASR 9001, and ASR 9001-S Routers Hardware Installation Guide
62
Unpacking and Installing the Chassis
Installing the Optional Air Plenum Kit

Cisco ASR 9901 Specifications

General

Brand	Cisco
Model	ASR 9901
Category	Network Router
Language	English