Rack-Mounted Installation; Installation Guidelines - Juniper E Series Hardware Manual

ERX 7.0.x Hardware Guide
WARNING: Two people are required to lift an E-series router.
NOTE: All persons handling an E-series router should wear an antistatic device.
Connectors are located on the I/O modules and the power input module. These
modules are installed from the rear of the router (see Figure 17). See "Cabling
E-series Routers" on page 51, for cabling installation procedures.
Figure 17: ERX-7xx Model, Rear View

Rack-Mounted Installation

Juniper Networks recommends that you use a standard EIA distribution rack.
Refer to "Equipment Rack Requirements" on page 128 in "Installation Guidelines
and Requirements" on page 125, for detailed rack information.

Installation Guidelines

Before installing the systems in a rack, consider the following
guidelines and refer to Figure 18:
28
Rack-Mounted Installation
I/O
modules
Power input
module
Power switches
SRP I/O module
You can install up to three ERX-14xx models, six ERX-7xx models, or fourteen
ERX-310 routers in a single 7-ft. (2.1 m) rack.