TN791

DEFINITY Made Easy Tools
Issue 2, November 2000

DEFINITY Hardware

TN791

The TN791 has 16 ports. Each port supports 1 telephone, such as 500 (rotary dial) and 2500 terminals (DTMF dial). LED and neon message waiting indicators are supported (a separate power supply is required for neon message indicators).

The TN791 supports on-premises (in-building) wiring with either touch-tone or rotary dialing and with or without the LED and neon message waiting indicators.

The TN791 supports 3 ringer loads, only 1 telephone can have an LED or neon message waiting indicator. The TN791 allows a maximum of 8 simultaneous ports ringing.

TN791 supports A-Law and µ-law companding and administrable timers. Secondary lightning protection is provided. The TN791 supports up to 8 simultaneous ports ringing.

The TN791 is compatible with the terminal configurations shown in the table below.


Terminal	Wire Size	Maximum Range
500-Type	24 AWG (0.2 mm ²/0.5 mm)	20,000 ft. (6,096 m)
2500-Type	24 AWG (0.2 mm ²/0.5 mm)	20,000 ft. (6,096 m)
6200-Type	24 AWG (0.2 mm ²/0.5 mm)	12,000 ft. (3,657m)
7100-Series	24 AWG (0.2 mm ²/0.5 mm)	20,000 ft. (6,096 m)
7101A-Series	24 AWG (0.2 mm ²/0.5 mm)	15,200 ft. (4,633 m)
7103A-Series	24 AWG (0.2 mm ²/0.5 mm)	15,200 ft. (4,633 m)
8100-Series	24 AWG (0.2 mm ²/0.5 mm)	12,000 ft. (3,657m)
9100-Series	24 AWG (0.2 mm ²/0.5 mm)	12,000 ft. (3,657m)

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