EXTender
TM
7000 Installation Guide
Page 19
Telephony Wiring (RJ-21)
Wire Color Abbreviations:
BK=Black BR=Brown RD=Red OR=Orange SL=Slate
YL=Yellow GN=Green BL=Blue VI=Violet WH=White
Table 3: Pin Assignments (25-Pair Cable)
Pin
Cable
Pair
Port
Pin
Cable
Pair
Port
26
1
WH/BL
WH/BL
1
38
13
GN/BK
BL/GN
13
27
2
WH/OR
WH/OR
2
39
14
BK/BR
BK/BR
14
28
3
WH/GN
WH/GR
3
40
15
BK/SL
BK/SL
15
29
4
WH/BR
WH/BR
4
41
16
YL/BL
YL/BL
16
30
5
WH/SL
WH/SL
5
42
17
YL/OR
YL/OR
17
31
6
RD/BL
RD/BL
6
43
18
YL/GN
YL/GN
18
32
7
RD/OR
RD/OR
7
44
19
YL/BR
YL/BR
19
33
8
RD/GN
RD/GN
8
45
20
YL/SL
YL/SL
20
34
9
RD/BR
RD/BR
9
46
21
VI/BL
VI/BL
21
35
10
RD/SL
RD/SL
10
47
22
VI/OR
VI/OR
22
36
11
BK/BL
BK/BL
11
48
23
VI/GN
VI/GN
23
37
12
BK/OR
BK/OR
12
49
24
VI/BR
VI/BR
24
50
25
VI/SL
VI/SL
GND