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Telephones and adjunct systems
372 Installing and Upgrading the Avaya G700 Media Gateway and Avaya S8300 Media Server
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:
CAUTION: Do not locate the unit within 6 inches (15 centimeters) of the floor.
Connecting the 1151B1/C1 or 1151B2/C2 power supplies
The 1151B1/C1 is a standard (no battery backup) power supply unit. The 1151B2/C2 is a
battery backup version of the 1151B1/C1. 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 non-keyed 657-type jacks that can accept D4, D6,
and D8 modular plug cables. See Figure 30: 1151B2/C2 Power Supply — Front
on page 372.
Figure 30: 1151B2/C2 Power Supply — Front
pwr_sup1 CJL 051496