DEFINITY Made Easy Tools
Issue 2, November 2000
Install and Wire Telephone Power Supply
The 1151A1 is a standard (no battery backup) power supply unit. The 1151A2 is a battery backup version of the 1151A1. 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 an 1151A1/2 Power Supply -- Front.
1151A1/2 Power Supply -- Front
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