Nortel NT1R20 Description page 312

Page 288 of 290
PE (peripheral equipment) 15
architecture 23, 24
circuit cards 5, 6
comparison to IPE modules 16
installing line cards 11, 13
line cards for 7, 10
network connections 17
port-to-port loss
NT1R20 Off-Premise Station (OPS) Analog
Line Card 68, 71
NT8D09 Analog Message Waiting Line Card
227
QPC192 Off-Premise Extension (OPX)
Analog Line Card 238
power requirements
NT1R20 Off-Premise Station (OPS) Analog
Line Card 56, 59, 61
NT5D60AA CLASS Modem card 197
NT8D02 Digital Line Card 207
NT8D09 Analog Message Waiting Line Card
222
QPC192 Off-Premise Extension (OPX)
Analog Line Card 234
QPC452 Basic 500/2500 Analog Line Card
246
QPC578 Integrated Services Digital Line Card
(ISDLC) 254, 257, 259
QPC789 16-port Message Waiting Analog
Line Card 271
553-3001-105 Standard 5.00 June 1999
Q
QPC192 Off-Premise Extension (OPX) Analog
Line Card
configuration
jumper blocks 238, 239
port-to-port loss 238
software service changes 238
connector pin assignments 236, 237
description 7, 10, 49, 51, 229
electrical specifications 233
environmental specifications 235
faceplate 230
foreign and surge voltage protection 235
functions
card interfaces 231
codecs 232
line interface units 231
multiplex control 232
power requirements 234
QPC452 Basic 500/2500 Analog Line Card
configuration
jumper blocks 250, 251
software service changes 250
connector pin assignments 248, 249
description 7, 10, 241
electrical specifications 245
environmental specifications 247
faceplate 242
foreign and surge voltage protection 247
functions
card interfaces 243
codecs 244
line interface units 244
multiplex control 244
power requirements 246