Juniper Networks M5 Prepare for Router Installation, Rack Requirements, Rack Size and Strength

Chapter 5

Prepare for Router Installation

This chapter describes how to prepare your site for installation of the M5 and M10 Internet routers. It discusses the following topics:

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Rack Requirements on page 37

Clearance Requirements for Airflow and Hardware Maintenance on page 40

Router Environmental Tolerances on page 40

Fire Safety Requirements on page 41

Power Guidelines, Requirements, and Specifications on page 42

Network Cable Specifications and Guidelines on page 48

Cable Specifications for Routing Engine Management Interfaces on page 52

Site Preparation Checklist on page 52

Rack Requirements

The router must be installed in a rack. Many types 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 16.

The following sections describe rack requirements:

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Rack Size and Strength on page 37

Spacing of Mounting Holes on page 39

Connection to Building Structure on page 39

Rack Size and Strength

The router is designed for installation in a rack that complies with either of the following standards:

•A 19-in. rack as defined in Cabinets, Racks, Panels, and Associated Equipment (document number EIA-310-D) published by the Electronics Industry Association (http://www.eia.org).

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