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DEFINITY Enterprise Communications Server Release 6
Installation and Test for Multi-Carrier Cabinets
555-230-112
Issue 5
May 1998
Install and Connect Cabinets
Page 1-6Connect AC Power and Ground
1
Connect AC Power and Ground
Power Requirements
Tab le 1-2 shows the power requirements.
J58890CE-1, J58890CE-2, and J58890CH-1
The following procedures apply to the AC-powered PPN and EPN cabinets.
Either of the following power sources can supply 60 Hz power to the AC load in
Release 5 and later systems:
■ Single-phase, 4-wire, 120/240 VAC supplying 240 VAC. This source has 2
hot wires, 1 ground wire, and 1 neutral wire (J58890CE).
■ 3-phase, 4-wire, 120/208 VAC supplying 208 VAC. This source has 2 hot
wires, 1 ground wire, and 1 neutral wire (J58890CE).
■ Single-phase, 3-wire, 208 or 240 VAC. This source has 2 hot wires and 1
ground wire (J58890CH).
Either of the following power sources can supply 50 Hz power to the AC load in
Release 5 and later systems:
■ Non-United States 4-wire, Y, 220/380 VAC. This source has 3 hot wires, 1
neutral wire, and 1 ground wire.
■ Non-United States Delta, 3-wire, 220 or 240 VAC. This source has 3 wires.
Table 1-2. DEFINITY System Power Requirements
Maximum DEFINITY UL Rating Label Power Capacity
Vac InIac InMax W InBTU/Hr
208 24 3245 11071.26
240 21 3276 11177.71
120 40 3120 10645.44