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ERX 8.0.x Hardware Guide
Verify the operation of all telephone circuits, digital services, and T1 facilities
required for i
nstallation.
Ensure that al
l IP environment requirements are met, such as IP addresses,
subnet masks, and any specific routing protocol information.
Environmenta
l Requirements
See “System Sp
ecifications” on page 119 for complete environmental specifications.
Choose a loca
tion for the router that is dry, relatively dust free, well ventilated, and
air conditioned. If you install equipment in a rack, be sure that the floor is capable
of supporting the combined weight of the rack and the installed equipment. Place
the router in
a location with sufficient access to power and network cables.
Like other ne
twork devices, the router generates a sig nifica nt amou nt
of heat. You m ust provide a balanced environment so that the router
performs properly and safely. See “System Specifications” on page 119 for
acceptable
ranges of temperature and humidity.
Be sure to al
low enough space around the router for adequate ventilation.
Inadequate ventilation can cause the system to overheat.
CAUTION: Do
not block the air vents on the routers. Otherw ise, the router might
overheat.
Regulatory Compliances
See “System Spe cifications” on page 119, for a complete list of regulatory
compliance
requirements, including safety, EMC, and telecom munications.
Safety Guidelines
For your safety, before installing the system, review all safety warnings in this section.
WARNING: The recommended maximum ambient temperature is 50° C (122° F).
For safe operation, take into consideration the internal temperature of the ra ck.
WARNING: In
stall equipmen t in the rack from the bottom upward. Doin g this helps
maintain the stability of the rack and reduces the chance of the rack tipping over.
130 Safety Guidelines