Nortel NT1R20 Description page 311

NT5D60AA CLASS Modem card
configuration
software service changes 198
electrical characteristics 197
functions 194
power requirements 197
NT8D01 Controller Card 17
NT8D02 Digital Line Card
configuration
jumper and switch settings 211, 212
software service changes 211
connector pin assignments 208, 209, 210
description 7, 9, 32, 51, 193, 199
electrical characteristics 206, 207
environmental specifications 197, 208
faceplate 193, 199, 200
foreign and surge voltage protection 207
functions 201, 202
card control 204
card interfaces 203
Card LAN interface 202, 205
digital line interfaces 202, 203
microcontroller 202, 204
sanity timer 205
TCM loop interface circuit 203
loop limits 206
power requirements 207
sanity timer 202, 204
NT8D09 Analog Message Waiting Line Card
configuration
jumper and switch settings 227, 228
software service changes 227
connector pin assignments 224, 225, 226
description 7, 9, 213, 214
electrical specifications 220
environmental specifications 223
faceplate 214, 215
foreign and surge voltage protection 223
frequency response 221
functions
card control 218
card interfaces 216
circuit power 219
codecs 216, 217
line interface units 216, 217
microcontroller 217, 218
loop limits 220
message channel noise 221
overload level 221
port-to-port loss 227
power requirements 222
O
off hook detection
analog line interface units 29
SL-1 networks 28
off-hook detection
analog line interface units 31
analog lines 34
off-premise applications
compared to off-premise extension (OPX)
service 69
line cards for 7, 8, 10, 30, 48
off-premise extension (OPX) service
compared to off-premise station (OPS) service
69
outgoing (analog) calls 34
P
PCM (pulse code modulated) voice data 20, 26
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Line cards