Nortel Networks BCM50 manual Lists the wiring details for the RJ-21 connector on

222Appendix H 4x16 wiring charts

Table 46 4x16 default line numbering

	Default line number on	Default line number on
Port number	Expansion port 1	Expansion port 2
1	065	095
2	066	096
3	067	097
4	068	098

Table 47 lists the wiring details for the RJ-21 connector on the 4x16.

Table 47 4x16 RJ-21 connector wiring (Sheet 1 of 2)

				Default DN on	Default DN on
Set	Pin	Connection	Wire color	Expansion port 1	Expansion port 2
1	26	Tip	White-Blue	253	285
	1	Ring	Blue-White
2	27	Tip	White-Orange	254	286
	2	Ring	Orange-White
3	28	Tip	White-Green	255	287
	3	Ring	Green-White
4	29	Tip	White-Brown	256	288
	4	Ring	Brown-White
5	30	Tip	White-Slate	257	289
	5	Ring	Slate-White
6	31	Tip	Red-Blue	258	290
	6	Ring	Blue-Red
7	32	Tip	Red-Orange	259	291
	7	Ring	Orange-Red
8	33	Tip	Red-Green	260	292
	8	Ring	Green-Red
9	34	Tip	Red-Brown	261	293
	9	Ring	Brown-Red
10	35	Tip	Red-Slate	262	294
	10	Ring	Slate-Red
11	36	Tip	Black-Blue	263	295
	11	Ring	Blue-Black
12	37	Tip	Black-Orange	264	296
	12	Ring	Orange-Black
13	38	Tip	Black-Green	265	297
	13	Ring	Green-Black

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