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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 (136 kilograms).
Optional mounting kits are available for 19-inch and 23-inch rack mounting
(mid-chassi
s and front-chassis mounting). Contact your Juniper 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 o f 3 inches of clearance between the inner side wall and the
router. This clearance space ensures ade qu ate air flow.
Proper Rack Installation
To confirm proper equipme nt rack installation, verify the following:
Racks are installed and electrically grounded according to m anufacturer
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 national
codes.
CAUTION: To maintain airflow requirements, a plenum must be installed above
ERX-14xx models before any other piece of equipment is installed above the router.
Equipment Rack Requirements 135