Chapter 5

Preparing for Router Installation
This chapter describeshow to prepare your site for installationof the M160 Internet
router. It discusses the following topics:
Rack Requirements on page 59
Clearance Requirementsfor Airflow and Hardware Maintenance on page 62
Routing Node Environmental Specificationson page 62
Fire Safety Requirements on page 63
Power Guidelines, Requirements, and Specifications on page 64
Network Cable Specificationsand Guidelines on page 70
Routing Engine InterfaceCable and Wire Specifications on page 74
Site Preparation Checklist on page 75

Rack Requirements

The router mustbe installed in a rack. Manytypes of racks are acceptable,including
front-mount racks,4-post (telco) racks, and center-mount racks. An example of a
center-mount rack appears in Figure 26.
The followingsections describe rack requirements:
Rack Size and Strengthon page 60
Spacing of Mounting Holes on page 61
Connection to Building Structureon page 62
Rack Requirements 59