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CHAPTER 7 SPECIFICATIONS
NEAX 2000 IPS General Description Page 173
NDA-24345, Issue 2
Zone Transceiver Line Conditions
Zone Transceiver Line Conditions
S-Interface
Line Conditions
U-Interface
Line Conditions
PBX Power Supply at –
48V (Standard)
4 Wire 2 Wire 4 Wire
0.4φ 762m (2500ft) 762m (2500ft) 1310m (4300ft)
0.5φ 1219m (4000ft) 1219m (4000ft) 2103m (6900ft)
0.65φ 1676m (5500ft) 1676m (5500ft) 2895m (9500ft)
0.9φ 2438m (8000ft) 2438m (8000ft) 3958m (13000ft)
PBX Power Supply at –
45V (Note)
4 Wire 2 Wire 4 Wire
0.4φ 609m (2000ft) 609m (2000ft) 1066m (3500ft)
0.5φ 975m (3200ft) 975m (3200ft) 1706m (5600ft)
0.65φ 1432m (4700ft) 1432m (4700ft) 2499m (8200ft)
0.9φ 2131m (7000ft) 2131m (7000ft) 3718m (12200ft)
PBX Power Supply at –
43V (Note)
4 Wire 2 Wire 4 Wire
0.4φ 548m (1800ft) 548m (1800ft) 944m (3100ft)
0.5φ 883m (2900ft) 883m (2900ft) 1524m (5000ft)
0.65φ 1340m (4400ft) 1340m (4400ft) 2316m (7600ft)
0.9φ 1948m (6400ft) 1948m (6400ft) 3352m (11000ft)
Local Power Supply
(with AC Adapter)
0.4φ 1189m (3900ft) 3350m (11000ft)
0.5φ 1341m (4400ft) 3958m (13000ft)
0.65φ 1676m (5500ft) 3958m (13000ft)
0.9φ 2438m (8000ft) 3958m (13000ft)
Note: Zone Transceiver is provided –48V power in normal condition. The table at –45V and
at –43V show ZT Line Conditions in the event of lower voltage status.