Nortel BCM50 3.0 Installation And Maintenance Manual page 273

Table 76 4x16 RJ-21 connector wiring (Sheet 2 of 2)
Set Pin Connection
35 Tip
10
10 Ring
36 Tip
11
11 Ring
37 Tip
12
12 Ring
38 Tip
13
13 Ring
39 Tip
14
14 Ring
40 Tip
15
15 Ring
41 Tip
16
16 Ring
42 No connection
—
17 No connection
. .
. .
. .
50 No connection
—
25 No connection
Wire color
Red-Slate
Slate-Red
Black-Blue
Blue-Black
Black-Orange
Orange-Black
Black-Green
Green-Black
Black-Brown
Brown-Black
Black-Slate
Slate-Black
Yellow-Blue
Blue-Yellow
Yellow-Orange
Orange-Yellow
. .
. .
. .
Violet-Slate
Slate-Violet
Appendix J 4x16 wiring charts
Default DN on
Expansion port 1
262
263
264
265
266
267
268
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Installation and Maintenance Guide
Default DN on
Expansion port 2
294
295
296
297
298
299
300
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.
.
.
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