Telco Reference
62
Table 8: 50-Pin Telco Pin-Out
50-Pin
Connector
Pin Number
Punch-
Down Block
Pin Number
Cable
Color
Code
1
Link
Designation
Hub
8-Pin
Modular
Jack Pin
Numbers
26
1
W-BL
1
RCV POS
1
1
2
BL-W
1
RCV NEG
2
27
3
W-OR
1
XMT POS
3
2
4
OR-W
1
XMT NEG
6
28
5
W-GR
2
RCV POS
1
3
6
GR-W
2
RCV NEG
2
29
7
W-BR
2
XMT POS
3
4
8
BR-W
2
XMT NEG
6
30
9
W0SL
3
RCV POS
1
5
10
SL-W
3
RCV NEG
2
31
11
R-BL
3
XMT POS
3
6
12
BL-R
3
XMT NEG
6
32
13
R-OR
4
RCV POS
1
7
14
OR-R
4
RCV NEG
2
33
15
R-GR
4
XMT POS
3
8
16
GR-R
4
XMT NEG
6
34
17
R-BR
5
RCV POS
1
9
18
BR-R
5
RCV NEG
2
35
19
R-SL
5
XMT POS
3
10
20
SL-R
5
XMT NEG
6
36
21
BK-BL
6
RCV POS
1
11
22
BL-BK
6
RCV NEG
2
37
23
BK-OR
6
XMT POS
3
12
24
OR-BK
6
XMT NEG
6
38
25
BK-GR
7
RCV POS
1
13
26
GR-BK
7
RCV NEG
2
39
27
BK-BR
7
XMT POS
3
14
28
BR-BK
7
XMT NEG
6
NOTE 1. Cable colors may be different from those represented here, depending
on the cable manufacturer.
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
