Nortel BCM50 2.0 Installation Manual page 77

Table 17 G4x16/G8x16 lower RJ-21 (amphenol) connector wiring for analog PSTN lines (Sheet 1
of 2)
Line Pin Connection
1 26 Tip
1 Ring
2 27 Tip
2 Ring
— 28 No connection
3 No connection
— 29 No connection
4 No connection
3 30 Tip
5 Ring
4 31 Tip
6 Ring
— 32 No connection
7 No connection
The following part of the wiring chart applies only to the G8x16 MBM.
— 33 No connection
8 No connection
5 34 Tip
9 Ring
6 35 Tip
10 Ring
— 36 No connection
11 No connection
— 37 No connection
12 No connection
7 38 Tip
13 Ring
8 39 Tip
14 Ring
— 40 No connection
15 No connection
The following part of the wiring chart applies to both the G4x16 and G8x16 MBMs.
. . .
. . .
. . .
— 49 No connection
24 No connection
Appendix G G4x16 and G8x16 wiring charts
Default line numbers on
Wire color Expansion port 1
White-Blue
Blue-White
White-Orange
Orange-White
White-Green
Green-White
White-Brown
Brown-White
White-Slate
Slate-White
Red-Blue
Blue-Red
Red-Orange
Orange-Red
Red-Green
Green-Red
Red-Brown
Brown-Red
Red-Slate
Slate-Red
Black-Blue
Blue-Black
Black-Orange
Orange-Black
Black-Green
Green-Black
Black-Brown
Brown-Black
Black-Slate
Slate-Black
. .
. .
. .
Violet-Brown
Brown-Violet
Default line numbers on
Expansion port 2
065
066
—
—
067
068
—
—
073
074
—
—
075
076
—
.
.
.
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Telephony Device Installation Guide
77
095
096
—
—
097
098
—
—
103
104
—
—
105
106
—
—