Nortel Networks BCM50 - Manual (Page 231)

Appendix K G4x16 and G8x16 wiring charts 231
Installation and Maintenance Guide
Table 52 G4x16 and G8x16 lower RJ-21 (amphenol) connector wiring for analog PSTN lines
(Sheet 1 of 2)
Line Pin Connection Wire color
Default line numbers on
Expansion port 1 Default line numbers on
Expansion port 2
1 26 Tip White-Blue
065 095
1 Ring Blue-White
2 27 Tip White-Orange
066 096
2 Ring Orange-White
— 28 No connection White-Green
— —
3 No connection Green-White
— 29 No connection White-Brown
— —
4 No connection Brown-White
3 30 Tip White-Slate
067 097
5 Ring Slate-White
4 31 Tip Red-Blue
068 098
6 Ring Blue-Red
— 32 No connection Red-Orange
— —
7 No connection Orange-Red
The following part of the wiring chart applies only to the G8x16 MBM.
— 33 No connection Red-Green
— —
8 No connection Green-Red
5 34 Tip Red-Brown
073 103
9 Ring Brown-Red
6 35 Tip Red-Slate
074 104
10 Ring Slate-Red
— 36 No connection Black-Blue
— —
11 No connection Blue-Black
— 37 No connection Black-Orange
— —
12 No connection Orange-Black
7 38 Tip Black-Green
075 105
13 Ring Green-Black
8 39 Tip Black-Brown
076 106
14 Ring Brown-Black
— 40 No connection Black-Slate
— —
15 No connection Slate-Black
The following part of the wiring chart applies to both the G4x16 and G8x16 MBMs.
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— 49 No connection Violet-Brown
— —
24 No connection Brown-Violet