8Connecting 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 back up vers ion
of the 1151B1. Either power supply can support one telephone with or with out an adj unct . The maximu m
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 andAssociated 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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