Install and Wire Telephone Power Supply
1151A1 and 1151A2 Power Supplies
562
SI Installation and Upgrades
June 2004
Using 1151A1 and 1151A2 Power Supplies
The 1151A1 and 1151A2 Power Supplies can be used to supply local power to ISDN-T 65xx, 74xx,
75xx, 84xx, and 85xx series voice terminals connected to a system and to the 302C1 Attendant Console
that requires auxiliary power for its display. The unit can supply power to adjunct equipment such as
S201A and CS201A speakerphones or a 500A Headset Adapter attached to any currently manufactured
analog, DCP, or ISDN-T voice terminal equipped with an adjunct jack.
CAUTION:
The power supply can be used only with telecommunications equipment, indoors, and in a
controlled environment.
The power supply has a single output of -48 VDC, 0.4 Amps, and can operate from either a 120 VAC 60
Hz power source (105 to 129 VAC) or a 220/230/240 VAC 50 Hz power source (198 to 264 VAC). Input
voltage selection is automatic. The output capacity is 19.2 Watts.
The power supply can be placed on a flat surface such as a desk. For wall-mounting, keyhole slots are
provided on the bottom of the chassis.
CAUTION:
Do not locate the unit within six inches (15.25 cm) of the floor.
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