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Installing the
Express Hub
Requirements
Rack installation Standard 19-in. (48.26 cm.) EIA equipment rack
requirements 1.5 EIA rack-mount spaces available for each
hub
Table and shelf Approximately 13.25-in. (33.66 cm.) by 19.25-in.
installation requirements (48.90 cm.) area on a level tabletop or shelf
Support for at least 10 lbs. (4.5 kg.) per hub with
filler panels installed in expansion and media
adapter slots
Support for at least 12.3 lbs. (5.6 kg.) per hub
with an NMM and an uplink module installed
Temperature Ambient temperature between 5° C and 40° C
(41° F and 104° F)
No nearby heat sources such as direct sunlight,
warm air exhausts, or heaters
Humidity Between 5% and 85%, noncondensing
Ventilation Minimum 2 in. (5.08 cm.) on all sides for cooling
and adequate airflow in room or wiring closet
Operating conditions At least 6 ft. (1.83 m.) from nearest source of
electromagnetic noise (such as a photocopier)
Service access Minimum 12 in. (30.48 cm.) front and rear for
AC disconnect, service access and maintenance
access
Front and rear clearance for cables and wiring
hardware such as punchdown blocks
Wiring hardware Wiring hardware, such as punchdown blocks or
patch panels, in place before installing the hub
Power Adequate power source within 6 ft. (1.83 m.)
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