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7 Connecting Telephones and Adjunct Systems: Installation and Wiring Telephones and Power Supplies
266
Installation and Upgrades for G700 with S8300 or S8700
555-234-100 — Issue 3 — May 2003
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 “1151B2 Power Supply — Front” on page 266
.
Figure 20. 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 21.
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.
The transfer panel provides emergency trunk bypass or power-fail transfer for up to 5 incoming CO trunk
loops to 5 selected station sets. The 808A equipment’s Ringer Equivalency Number (REN) is 1.0A.
For information on installing the 808A Emergency Transfer Panel, see 808A Emergency Tranfer Panel
Installation Instructions, which ships with the Emergency Transfer Panel.
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