Codan NGT 2010 RF Technical & Service Manual page 760

8571—Overview and specifications
Specifications
General
Item
Line loss
Frequency response
Noise
Signalling
Power
AUSTEL permit number
Rear panel connectors
Tcvr Control
Tcvr Audio
DC Supply
Line—Option 2W
Line—Option 4W
Environmental
Operating temperature
322
Specification
Each line in a system can be up to 35 km (21.7 mi)
of 0.64 mm (0.03 in) PIUT (copper conductor)
Telstra offers private lines with
NOTE
guaranteed performance levels.
The system operates on standard grade lines Lines
and radio links must be duplex
400 Hz to 2.5 kHz ±3 dB
Signal-to-noise better than 45 dB
(excludes line/radio link noise)
1070 Hz and 1270 Hz FSK (part Bell 103) 550 baud
Revertive by command echo and verification
300 Hz control tone used with signalling and for
PTT
11 to 16 V DC (12 V nom.) 200 mA, or
22 to 32 V DC (24 V nom.) 100 mA
A91/19/0129
8-way plug
25-way D-type socket
4-way plug
6-way 4-cct modular socket
8-way plug
–30 to +50°C
(–22 to 122°F)
NGT Transceiver System Technical Service Manual