Nortel NT1R20 Description page 17

Figure 61
Analog message waiting line card—block diagram . . . . . . . . . . . . . . .
Figure 62
Analog message waiting line card—typical cross connection example
Figure 63
Analog message waiting line card—jumper block and switch locations 228
Figure 64
OPX analog line card—faceplate . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 65
OPX analog line card—block diagram . . . . . . . . . . . . . . . . . . . . . . . .
Figure 66
OPX analog line card—typical cross connection example . . . . . . . . .
Figure 67
OPX analog line card—jumper block locations . . . . . . . . . . . . . . . . . .
Figure 68
Basic 500/2500 analog line card—faceplate . . . . . . . . . . . . . . . . . . . .
Figure 69
Basic 500/2500 analog line card—block diagram . . . . . . . . . . . . . . . .
Figure 70
Basic 500/2500 analog line card—typical cross connection example .
Figure 71
Basic 500/2500 analog line card—jumper block locations . . . . . . . . .
Figure 72
Integrated services digital line card—faceplate . . . . . . . . . . . . . . . . . .
Figure 73
Integrated services digital line card—block diagram . . . . . . . . . . . . . .
Figure 74
Integrated services digital line card—typical connection example . . .
Figure 75
Integrated services digital line card—jumper block locations . . . . . . .
Figure 76
16-port message waiting analog line card—faceplate . . . . . . . . . . . . .
List of figures
Line cards Description
xvii
217
225
230
231
237
239
242
243
249
251
255
256
262
264
266