228 Appendix I GATM wiring chart
NN40170-305
The table GATM8 RJ-21 connector wiring on page 228 lists the wiring details for the RJ-21
connector on the GATM8.
—
49 No connection Violet-Brown
— —
24 No connection Brown-Violet
Aux
50 Tip Violet-Slate
——
25 Ring Slate-Violet
Note: The AUX port supports full data speeds. When the line is in use by an analog device, the icon is lit on the
phone to indicate it is in use. If you try to seize the line using the phone, the display shows “in use”. Also, if a power
failure occurs, an analog set on line 1 activates (powered by the CO).
Table 46 GATM8 RJ-21 connector wiring (Sheet 1 of 2)
Line Pin Connection Wire color
Default line numbers on
Expansion port 1
Default line numbers on
Expansion port 2
1
26 Tip White-Blue
065 095
1 Ring Blue-White
2
27 Tip White-Orange
066 096
2 Ring Orange-White
—
28 No connection White-Green
— —
3 No connection Green-White
—
29 No connection White-Brown
— —
4 No connection Brown-White
3
30 Tip White-Slate
067 097
5 Ring Slate-White
4
31 Tip Red-Blue
068 098
6 Ring Blue-Red
—
32 No connection Red-Orange
— —
7 No connection Orange-Red
—
33 No connection Red-Green
— —
8 No connection Green-Red
5
34 Tip Red-Brown
073 103
9 Ring Brown-Red
6
35 Tip Red-Slate
074 104
10 Ring Slate-Red
—
36 No connection Black-Blue
— —
11 No connection Blue-Black
—
37 No connection Black-Orange
— —
12 No connection Orange-Black
Table 45 GATM4 RJ-21 connector wiring (Sheet 2 of 2)
Line Pin Connection Wire color
Default line numbers on
Expansion port 1
Default line numbers on
Expansion port 2
