NRI—Overview and specifications
252 NGT Transceiver System Technical Service Manual
Specifications
General
Environmental
Physical
2-wire land line
Power consumption
NRI Less than 350 mA @ 12 V DC
Line modem 300 mA maximum @ 12 V DC
Temperature range 0 to +60°C (32 to 140°F)
Humidity operating range 0 to 95% relative humidity, non-condensing
Size
NGT Remote Interface 3030 210 mm W × 240 mm D × 65 mm H
(8.4 in W × 9.5 in D × 2.6 in H)
Remote Control Junction Box 2030 135 mm W × 106 mm D × 38 mm H
(5.4 in W × 4.3 in D × 1.5 in H)
Weight
NGT Remote Interface 3030 1.8 kg
(4.0 lb)
Remote Control Junction Box 2030 0.4 kg
(0.9 lb)
Cable between each site and the exchange
Type 2-wire leased land line
Mode of operation Duplex