Router User Manual

Installation Guidelines and Requirements
The distance between the mounting holes in the two posts must be 18.31
inches ±.063 i
nch, as specified in the EIA-310-D.
Do not use an en
closed rack for ERX-7xx mod els or the ERX-310 router. It
does not provide adequate ventilation.
A fully loaded rack with three ERX-14xx m odels must structurally support
300 pounds (13 6 kilograms).
Optional mounting kits are available for 19-inch and 23-inch rack mounting
(mid-chassi
s an d front-chassis m ounting). Contact your Junipe r Networks sales
representative for more information.
Space Requir
ements
If you use an e
nclosed rack for an ERX-14xx model, ensure that there is
a minimum of 3 inches of clearance between the inner side wall and the
router. T his clearance space ensures adequate air flow.
Proper Rack Installation
To confirm proper equipm ent rack installation, verify th e following:
Racks are installed and electrically grounded according to manufacturer
instructions.
Equipment racks are anchored to the floor and, when possible, anchored to
the ceiling
as well.
Equipment r
ack installations comply with applicable local, state, and n ational
codes.
CAUTION: To maintain airflow requirement s, a plenum must be installed above
ERX-14xx models be fore any other piece of equipment is installed above the router.
Equipment Rack Requirements 135