Codan NGT 2010 RF - Page 756

8571—Index
8571 Index-2 NGT Transceiver System Technical Service Manual
O
Option I/O connector
pinouts
325
options
RS
346
overview
319, 320
P
parts lists 361
physical specifications
323
pin connections
324
15-way GPIO connector
329
DC Supply connector
326
line connector
327
Option I/O connector
325
Tcvr Audio connector
325
Tcvr Control connector
324
power supply
336
R
receive path
2-wire interface
338
4-wire interface
339
audio
333, 337
audio compressor
337
hybrid
338
line driver
338
notch filter
337
Rx audio bus
338
S
signalling 334, 343
format
346
modem
345
size
323
slave site
equipment
321
specifications
319, 322
environmental
322
general
322
physical
323
split-site interface controller
329
stage
gain
340
supply voltages
Backplane PCB
353
Dual Line Equaliser PCB
354
Microprocessor & TCVR Interface PCB
353
T
Tcvr Audio connector
pinouts
325
Tcvr Control connector
pinouts
324
technical description
335
transceiver
control logic
346
Rx audio
337
transmit audio path
334, 340
transmit audio to transceiver
342
transmit path
2-wire interface
340
4-wire interface
340
audio
340
hybrid
340
notch filter
342
V
voltages
Backplane
353
Dual Line Equaliser
354
Microprocessor & TCVR Interface
353
W
weight 323