Codan NGT 2012 RF User Manual

NGT Transceiver System Technical Service Manual 8571 Index-1
CODAN
8571—Index
Numerics
15-way GPIO connector
pinouts
329
2-wire interface
receive path
338
transmit path
340
3-line capability
350
4-line capability
350
4-wire interface
receive path
339
transmit path
340
A
audio
gate
338, 341
receive path
337
transmit path
340
automatic equalisation
348
B
backplane 336
Backplane PCB
supply voltages
353
brief description
331
bus
internal
343
microcontroller
343
Rx audio
338
Tx audio
341
C
connectors
15-way GPIO
329
DC Supply
326
line
327
Option I/O
325
Tcvr Audio
325
Tcvr Control
324
control tone
detection
344
generation
344
D
DC Supply connector
pinouts
326
dismantling
352
drawings
363
Dual Line Equaliser PCB
supply voltages
354
E
environmental specifications 322
equalisation
340
automatic
334, 348
F
fault finding 351, 353
no reception, with signalling
356
no reception, without signalling
357
no signalling
354
no transmission, with signalling
359
voltage measurements
353
filter
low-pass
341
G
gain stage 340
general specifications
322
H
hybrid
receive path
338
transmit path
340
I
internal bus 343
L
line connector
pinouts
327
line driver
receive path
338
M
master control site
equipment
321
microcontroller
334
bus
343
microprocessor
343
Microprocessor & TCVR Interface PCB
supply voltages
353
N
notch filter
transmit path
342

Codan NGT 2012 RF Specifications

General

Brand	Codan
Model	NGT 2012 RF
Category	Transceiver
Language	English