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DEFINITY Made Easy Tools
Issue 2, November 2000



DEFINITY Hardware

TN479

The TN479 has 16 ports and supports 3 ringer loads and 3 simultaneous ringing ports. Only 1 voice terminal can have an LED message-waiting indicator (neon message-waiting indicators are not supported). The TN479 supports µ-Law companding.

The TN479 supports the terminals listed below.

Terminals and wiring configurations supported by the TN479
Terminal
Wire Size
(metric area/diameter)
Maximum Range
500-Type
24 AWG (0.2 mm 2/0.5 mm)
3,000 ft. (914 m)
2500-Type
24 AWG (0.2 mm 2/0.5 mm)
3,000 ft. (914 m)
7100-Series
24 AWG (0.2 mm 2/0.5 mm)
3,000 ft. (914 m)
7101A-Series
not supported
not supported
7103A-Series
not supported
not supported
8100-Series
24 AWG (0.2 mm 2/0.5 mm)
2,500 (762 m)
9100-Series
24 AWG (0.2 mm 2/0.5 mm)
2,500 (762 m)

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