Pair telco connector, Pair telco connector -5 – Carrier Access Adit 3104 User Manual
Page 35
Adit 3104 - Release 1.6
3-5
Electrical Installation & Cabling
Interface Connectors
25-Pair Telco Connector
Tip and Ring Analog Interface equipped with standard 25-pair Telco Connector (female) for connection
to key systems, fax machines, modems, and PBXs.
Circuit connections are made at the 25-pair telco connectors.
A standard 25-pair telephone cable with RJ-21X wiring and
a male D-type connector at the Adit 3000 end is required.
The pinouts are as follows:
Pair
Pin Function
Color Code
Pair
Pin
Function
Color Code
1
26
1
Tip Channel 1
Ring Channel 1
White/Blue
Blue/White
14
39
14
Tip Channel 14
Ring Channel 14
Black/Brown
Brown/Black
2
27
2
Tip Channel 2
Ring Channel 2
White/Orange
Orange/White
15
40
15
Tip Channel 15
Ring Channel 15
Black/Slate
Slate/Black
3
28
3
Tip Channel 3
Ring Channel 3
White/Green
Green/White
16
41
16
Tip Channel 16
Ring Channel 16
Yellow/Blue
Blue/Yellow
4
29
4
Tip Channel 4
Ring Channel 4
White/Brown
Brown/White
17
42
17
Tip Channel 17
Ring Channel 17
Yellow/Orange
Orange/Yellow
5
30
5
Tip Channel 5
Ring Channel 5
White/Slate
Slate/White
18
43
18
Tip Channel 18
Ring Channel 18
Yellow/Green
Green/Yellow
6
31
6
Tip Channel 6
Ring Channel 6
Red/Blue
Blue/Red
19
44
19
Tip Channel 19
Ring Channel 19
Yellow/Brown
Brown/Yellow
7
32
7
Tip Channel 7
Ring Channel 7
Red/Orange
Orange/Red
20
45
20
Tip Channel 20
Ring Channel 20
Yellow/Slate
Slate/Yellow
8
33
8
Tip Channel 8
Ring Channel 8
Red/Green
Green/Red
21
46
21
Tip Channel 21
Ring Channel 21
Violet/Blue
Blue/Violet
9
34
9
Tip Channel 9
Ring Channel 9
Red/Brown
Brown/Red
22
47
22
Tip Channel 22
Ring Channel 22
Violet/Orange
Orange/Violet
10
35
10
Tip Channel 10
Ring Channel 10
Red/Slate
Slate/Red
23
48
23
Tip Channel 23
Ring Channel 23
Violet/Green
Green/Violet
11
36
11
Tip Channel 11
Ring Channel 11
Black/Blue
Blue/Black
24
49
24
Tip Channel 24
Ring Channel 24
Violet/Brown
Brown/Violet
12
37
12
Tip Channel 12
Ring Channel 12
Black/Orange
Orange/Black
25
50
25
Reserved
Violet/Slate
Slate/Violet
13
38
13
Tip Channel 13
Ring Channel 13
Black/Green
Green/Black
50
25
26
1