7
PAIR ALLOCATION OF 25 PAIR SYSTEM CABLE
Cable
Plug
Typical
Pair
Terminal
Cable
Colours
1
A
Earth
26
White
or
White/Blue
B
Spare
1
Blue
Blue/White
2
A
Spare
27
White
or
White/Orange
B
Spare
2
Orange
Orange/White
3
A
Extn 89
A leg
28
White
or
White/Green
B
Extn 89
B leg
3
Green
Green/White
4
A
Extn 88
A leg
29
White
or
White/Brown
B
Extn 88
B leg
4
Brown
Brown/White
5
A
Extn 87
A leg
30
White
or
White/Grey
B
Extn 87
B leg
5
Grey
Grey/White
6
A
Extn 86
A leg
31
Red
or
Red/Blue
B
Extn 86
B leg
6
Blue
Blue/Red
7
A
Extn 85
A leg
32
Red
or
Red/Orange
B
Extn 85
B leg
7
Orange
Orange/Red
8
A
Extn 84
A leg
33
Red
or
Red/Green
B
Extn 84
B leg
8
Green
Green/Red
9
A
Extn 83
A leg
34
Red
or
Red/Brown
B
Extn 83
B leg
9
Brown
Brown/Red
10
A
Extn 82
A leg
35
Red
or
Red/Grey
B
Extn 82
B leg
10
Grey
Grey/Red
11
A
Extn 81
A leg
36
Black
or
Black/Blue
B
Extn 81
B leg
11
Blue
Blue/Black
12
A
Extn 80
A leg
37
Black
or
Black/Orange
B
Extn 80
B leg
12
Orange
Orange/Black
13
A
Extn 79
A leg
38
Black
or
Black/Green
B
Extn 79
B leg
13
Green
Green/Black
14
A
Extn 78
A leg
39
Black
or
Black/Brown
B
Extn 78
B leg
14
Brown
Brown/Black
15
A
System Bell
40
Black
or
Black/Grey
B
System Bell
15
Grey
Grey/Black
16
A
Trunk 5
A leg
41
Yellow or
Yellow/Blue
B
Trunk 5
B leg
16
Blue
Blue/Yellow
17
A
Trunk 4
A leg
42
Yellow or
Yellow/Orange
B
Trunk 4
B leg
17
Orange
Orange/Yellow
18
A
Trunk 3
A leg
43
Yellow or
Yellow/Green
B
Trunk 3
B leg
18
Green
Green/Yellow
19
A
Trunk 2
A leg
44
Yellow or
Yellow/Brown
B
Trunk 2
B leg
19
Brown
Brown/Yellow
20
A
Trunk 1
A leg
45
Yellow or
Yellow/Grey
B
Trunk 1
B leg
20
Grey
Grey/Yellow
21
A
Spare
46
Mauve
or
Mauve/Blue
B
Spare
21
Blue
Blue/Mauve
22
A
Spare
47
Mauve
or
Mauve/Orange
B
Spare
22
Orange
Orange/Mauve
23
A
Spare
48
Mauve
or
Mauve/Green
B
Spare
23
Green
Green/Mauve
24
A
Spare
49
Mauve
or
Mauve/Brown
B
Spare
24
Brown
Brown/Mauve
25
A
Spare
50
Mauve
or
Mauve/Grey
B
Spare
25
Grey
Grey/Mauve
Summary of Contents for SBX12
Page 1: ......
Page 6: ......
Page 7: ......
Page 10: ......
Page 13: ......
Page 14: ......
Page 15: ......
Page 16: ......
Page 17: ......
Page 18: ......
Page 20: ......
Page 21: ......
Page 22: ......
Page 23: ......
Page 26: ......
Page 27: ......
Page 28: ......
Page 29: ......
Page 38: ......
Page 39: ......
Page 40: ......