Avaya CMC1 사용자 설명서
Installing and Cabling the Cabinets
44 Installation, Upgrades and Additions for Avaya CMC1 Media Gateways
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Power-feed metallic conduit supplying panel boards on the floor
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A grounding point specifically provided in the building for the purpose
Uninterruptible Power Supply
An optional UPS (Uninterruptible Power Supply) may be used for power holdover. The type of
UPS depends on the holdover requirements. Holdover times vary from less than 10 minutes to
up to 8 hours. The UPS must provide surge protection for all connected cabinets.
UPS depends on the holdover requirements. Holdover times vary from less than 10 minutes to
up to 8 hours. The UPS must provide surge protection for all connected cabinets.
1. Connect the UPS to an electrical outlet capable of handling the power requirements of all
cabinets:
a. For 100 VAC, multiply 4.5 amps times the number of cabinets.
b. For 120 VAC, multiply 3.8 amps times the number of cabinets.
c. For 200 VAC, multiply 2.3 amps times the number of cabinets.
d. For 220-240 VAC, multiply 2.0 amps times the number of cabinets.
2. Be sure that Cabinet A (control carrier) is connected to an “unswitched” or “always on”
electrical outlet on the UPS.