Nortel Networks BCM50 User Manual
Page 204
204
Appendix A RJ-21 telephony connector wiring chart
NN40020-302
5
30
Tip
White-Slate
Analog
telephone
413
233
—
5
Ring
Slate-White
6
31
Tip
Red-Blue
Analog
telephone
414
234
—
6
Ring
Blue-Red
7
32
Tip
Red-Orange
Analog
telephone
415
235
—
7
Ring
Orange-Red
8
33
Tip
Red-Green
Analog
telephone
416
236
—
8
Ring
Green-Red
9
34
No connection Red-Brown
No connection
—
—
—
9
No connection Brown-Red
10
35
Tip
Red-Slate
Auxiliary
Ringer
—
—
—
10
Ring
Slate-Red
11
36
Tip
Black-Blue
Page Relay
—
—
—
11
Ring
Blue-Black
12
37
Tip
Black-Orange
Page Output
—
—
—
12
Ring
Orange-Black
13
38
Tip
Black-Green
Music Source
—
—
—
13
Ring
Green-Black
14
39
Tip
Black-Brown
Digital
telephone
412
232
—
14
Ring
Brown-Black
15
40
Tip
Black-Slate
Digital
telephone
411
231
—
15
Ring
Slate-Black
16
41
Tip
Yellow-Blue
Digital
telephone
410
230
—
16
Ring
Blue-Yellow
17
42
Tip
Yellow-Orange
Digital
telephone
409
229
—
17
Ring
Orange-Yellow
18
43
Tip
Yellow-Green
Digital
telephone
408
228
—
18
Ring
Green-Yellow
19
44
Tip
Yellow-Brown
Digital
telephone
407
227
—
19
Ring
Brown-Yellow
20
45
Tip
Yellow-Slate
Digital
telephone
406
226
—
20
Ring
Slate-Yellow
21
46
Tip
Violet-Blue
Digital
telephone
405
225
—
21
Ring
Blue-Violet
22
47
Tip
Violet-Orange
Digital
telephone
404
224
—
22
Ring
Orange-Violet
Table 34 RJ-21 telephony connector wiring (Sheet 2 of 3)
Device
Pin
Connection
Wire color
Type of device
Port
Default DN
Default line
number