AT&T Definity Callmaster I Manuál s instrukcemi Strana 118

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ENVIRONMENTAL REQUIREMENTS
With Multi-Carrier Cabinet(s)
A fully-loaded multi-carrier cabinet (five carriers) dissipates approximately 8000 BTUs per hour.
However, the typical average dissipation for a cabinet of three carriers is 5000 BTUs per hour.
With Single-Carrier Cabinet(s)
A stack of four single-carrier cabinets (fully loaded) dissipates approximately 6700 BTUs per
hour. However, the typical average dissipation for a one-carrier system is 1700 BTUs per hour.
Table P shows the typical average and maximum system power consumption and also the sys-
tem heat dissipation for different size SCC and MCC systems.
TABLE P. System Power Consumption and Heat Disspation
System Power Consumption System Heat Dissipation
(Volt-Ampere Rating) (BTU per Hour)
SCC MCC SCC MCC
Size Avg Max Avg Max Avg Max Avg Max
Tier 1 540 760 540 760 1700 - - -
Tier 2 1080 1376 1080 1376 3400 - - -
Tier 3 1620 1976 1620 1976 5100 - - -
Tier 4 2160 2584 2160 2584 6700 - - -
Tier 5 - - 2700 3344 - - 5000 8000
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