Telephone System Installation and Maintenance Guide

206 Appendix A RJ-21 telephony connector wiring chart
N0027152 01N0027152 01
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 232 —
14 Ring Brown-Black
15
40 Tip Black-Slate
Digital telephone 231 —
15 Ring Slate-Black
16
41 Tip Yellow-Blue
Digital telephone 230 —
16 Ring Blue-Yellow
17
42 Tip Yellow-Orange
Digital telephone 229 —
17 Ring Orange-Yellow
18
43 Tip Yellow-Green
Digital telephone 228 —
18 Ring Green-Yellow
19
44 Tip Yellow-Brown
Digital telephone 227 —
19 Ring Brown-Yellow
20
45 Tip Yellow-Slate
Digital telephone 226 —
20 Ring Slate-Yellow
21
46 Tip Violet-Blue
Digital telephone 225 —
21 Ring Blue-Violet
22
47 Tip Violet-Orange
Digital telephone 224 —
22 Ring Orange-Violet
23
48 Tip Violet-Green
Digital telephone 223 —
23 Ring Green-Violet
24
49 Tip Violet-Brown
Digital telephone 222 —
24 Ring Brown-Violet
25
50 Tip Violet-Slate
Digital telephone 221 —
25 Ring Slate-Violet
Table 34 RJ-21 telephony connector wiring (Sheet 2 of 2)
Device Pin Connection Wire color Type of device Default DN
Default line
number