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Operational specifications
The following tables list the site specifications for
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Environmental control
Table 2-3
Cabinet.
Table 2-3
Environmental control specifications
Feature
Heater pad for batteries
Closed loop cooling heat
exchanger
Gas concentration
Heat exchanger fans
Acoustic noise
Table 2-4
telecommunication equipment and associated cooling fans. The cabinet
suppresses acoustical noise as stated with doors closed during times of
maximum noise generation within the cabinet.
Table 2-4
Acoustic noise specifications
Acoustic noise condition
Measured at 1.5 meter (5 ft) from the cabinet:
environmental control
acoustic noise
temperature
relative humidity
altitude
regulatory requirements
lists the environmental control specifications for the AN2016
Specification
687 W / 120 V ac, fused, thermostatically controlled, located
underneath a painted aluminum plate. The heater pad activates at
40° F (4.4° C) and deactivates at 60° F (15.5° C)
Note: It is recommended that the heater pads be activated at least
once every year to ensure proper functionality.
air to air, closed loop system with separate field replaceable fans for
the internal and external flow paths. Total capacity is 4800 Watts.
hydrogen gas concentration not greater than 1% in battery
compartment or any other cabinet compartment according to
Bellcore GR-487-CORE
six heat exchanger fans. Minimum service life of 10 years, greater
than 40,000 hrs at 40° C. Easily replaceable, connectorized. Each
heat exchanger is equipped with an internal and external fan which
turn on at 38° C and turn off at 27° C.
lists the acoustic noise specifications for a cabinet equipped with
Specification (measured in dBA for hard
site)
≤
65
User Guide
Rel 1.0 Standard May 1999
Equipment 2-49
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