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Connecting Telephones and Adjunct Systems
Installation and Wiring Telephones and Power Supplies
328 Installation and Upgrades for G700 and S8300
December 2003
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 Figure 21, 1151B2 Power Supply — Front,
on page 328.
Figure 21: 1151B2 Power Supply — Front
Install Emergency Transfer Unit and
Associated Telephones
NOTE:
Install only 1 emergency transfer power panel per system.
Emergency transfer capability is provided by an 808A Emergency Transfer Panel (or equivalent)
mounted next to the trunk/auxiliary field. See Figure 22, 808A Emergency Transfer Panel,
on page 329.
Use analog telephones for emergency transfer. The 2500-type telephones can also be used as normal
extensions. Emergency transfer capability may be provided on analog CO and Wide Area
Telecommunications Service (WATS) trunks.
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