Codan NGT 2010 RF Technical & Service Manual page 640

NRI—Index
A
accessing the inside 275
antenna
description 251
B
brief description 259
C
CIB
connector pinouts 256
operation 265
components in NRI system
description 250
connectors
CIB 256
DC power supply 257
Modem 254
Test 255
control point specifications 253
D
data modem
description 251
DC power supply connector
pinouts 257
dismantling 275
drawings 289
E
environmental specifications 252
error messages 272
F
fault finding 269
G
general specifications 252
H
handset
description 250
J
junction box
description 250
remote control
description 251
NGT Transceiver System Technical Service Manual
L
land line specifications 252
LED indicators 273
line modem
description 251
M
microprocessor control 266
modem adaptor
description 262
Modem connector
pinouts 254
N
NRI 256
,
description 251 261
testing 278
NRI Microcontroller PCB
accessing 276
technical description 265
testing 280
NRI User Connect PCB
accessing 276
technical description 264
testing 283
NRI Vocoder PCB
accessing 276
technical description 267
testing 281
O
,
overview 249 250
P
parts lists 287
PCB replacement 270
physical specifications 252
pin connections 254
CIB connector 256
DC power supply connector 257
Modem connector 254
Test connector 255
power supply and switching 265
R
remote control junction box
,
description 251 262
RF unit
description 251
CODAN
NRI Index-1