On the FXS16 you can connect 16 analog telephones to the RJ-21 telephony connector on the system.
The following table provides information about the wiring of the RJ-21 telephony connector:
Pair |
Pins (Tip/Ring) |
Wire colors (Tip/Ring) |
Device type |
Port |
---|---|---|---|---|
1 |
26 / 1 |
White-Blue / Blue-White |
Analog Phone |
1 |
2 |
27 / 2 |
White-Orange / Orange-White |
Analog Phone |
2 |
3 |
28 / 3 |
White-Green / Green-White |
Analog Phone |
3 |
4 |
29 / 4 |
White-Blue / Blue-White |
Analog Phone |
4 |
5 |
30 / 5 |
White-Slate / Slate-White |
Analog Phone |
5 |
6 |
31 / 6 |
Red-Blue / Blue-Red |
Analog Phone |
6 |
7 |
32 / 7 |
Red-Orange / Orange-Red |
Analog Phone |
7 |
8 |
33 / 8 |
Red-Green / Green-Red |
Analog Phone |
8 |
9 |
34 / 9 |
Red-Brown / Brown-Red |
Analog Phone |
9 |
10 |
35 / 10 |
Red-Slate / Slate-Red |
Analog Phone |
10 |
11 |
36 / 11 |
Black-Blue / Blue-Black |
Analog Phone |
11 |
12 |
37 / 12 |
Black-Orange / Orange-Black |
Analog Phone |
12 |
13 |
38 / 13 |
Black-Green / Green-Black |
Analog Phone |
13 |
14 |
39 / 14 |
Black-Brown / Brown-Black |
Analog Phone |
14 |
15 |
40 / 15 |
Black-Slate / Slate-Black |
Analog Phone |
15 |
16 |
41 / 16 |
Yellow-Blue / Blue-Yellow |
Analog Phone |
16 |
17 |
42 / 17 |
Yellow-Orange / Orange-Yellow |
|
|
18 |
43 / 18 |
Yellow-Green / Green-Yellow |
|
|
19 |
44 / 19 |
Yellow-Brown / Brown-Yellow |
|
|
20 |
45 / 20 |
Yellow-Slate / Slate-Yellow |
|
|
21 |
46 / 21 |
Violet-Blue / Blue-Violet |
|
|
22 |
47 / 22 |
Violet-Orange / Orange-Violet |
|
|
23 |
48 / 23 |
Violet-Green / Green-Violet |
|
|
24 |
49 / 24 |
Violet-Brown / Brown-Violet |
|
|
25 |
50 / 25 |
Violet-Slate / Slate-Violet |
|
|