Using 1151B1 And 1151B2 Power Supplies - Avaya CMC1 Installation Manual

Installing and Cabling the Cabinets
Install and Wire Telephone Power Supplies

Using 1151B1 and 1151B2 Power Supplies

The 1151B1 and 1151B2 Power Supplies can be used to supply local power to ISDN-T 85xx and 84xx
series and 46xx series telephones connected to a media gateway and to the 302D 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 telephone 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 volts DC, 0.4 amperes and can operate from either a
120 volts AC 60 hertz power source (105 to 129 volts AC) or a 220/230/240 volts AC 50 hertz power
source (198 to 264 volts AC). 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 6 inches (15 centimeters) of the floor.
Connect the 1151B1 or 1151B2 Power
Supplies
The 1151B1 is a standard (no battery backup) power supply unit. The 1151B2 is a battery backup version
of the 1151B1. Either power supply can support one telephone with or without an adjunct. The maximum
loop range is 250 feet (76 meters). Two modular jacks are used. Power is provided on the PHONE jack,
pins 7 and 8 (- and +, respectively).
The PHONE and LINE jacks are 8-pin female nonkeyed 657-type jacks that can accept D4, D6, and D8
modular plug cables. See an
Figure 46: 1151B2 Power Supply — Front
100
Figure 46.
pwr_sup1 CJL 051496
Installation, Upgrades and Additions for Avaya CMC1 Media Gateways
June 2004