GDK-100
DIGITAL KEY TELEPHONE SYSTEM
97
Table 3.5.3 shows the contact assignments of RJ21 type female connector on MISB.
Punch-
Down
MISB connector
MISB
Block Pin
Pair
Pin
Color-Code Designation
1
1
26
WH/BL
RLY1-R
2
1
BL/WH
RLY1-T
3
2
27
WH/OR
RLY2-R
4
2
OR/WH
RLY2-T
5
3
28
WH/GN
RLY3-R
6
3
GN/WH
RLY3-T
7
4
29
WH/BN
RLY4-R
8
4
BN/WH
RLY4-T
9 5 30
WH/SL
10 5
SL/WH
11 6 31
RD/BL
12 6
BL/RD
13 7 32
RD/OR
14 7
OR/RD
15 8 33
RD/GN
16 8
GN/RD
17 9 34
RD/BN
18 9
BN/RD
19 10 35
RD/SL
20 10
SL/RD
21
11
36
BK/BL
MOH1-R
22
11
BL/BK
MOH1-T
23
12
37
BK/OR
MOH2-R
24
12
OR/BK
MOH2-T
25
13
38
BK/GN
EXP1-R
26
13
GN/BK
EXP1-T
27
14
39
BK/BN
EXP2-R
28
14
BN/BK
EXP2-T
29 15 40
BK/SL
30 15
SL/BK
31 16 41
YL/BL
32 16
BL/YL
33 17 42
YL/OR
34 17
OR/YL
35
18
43
YL/GN
ALARM-R
36
18
GN/YL
ALARM-T
37 19 44
YL/BN
38 19
BN/YL
39 20 45
YL/SL
40 20
SL/YL
BL:BLUE
41 21 46
VI/BL
BK:BLACK
42 21
BL/VI
BN:BROWN
43 22 47
VI/OR
OR:ORANGE
44 22
OR/VI
WH:WHITE
45 23 48
VI/GN
GN:GREEN
46 23
GN/VI
SL: SLIVER
47 24 49
VI/BN
VI:VIOLET
48 24
BN/VI
RD:RED
49 25 50
VI/SL
YL:YELLOW
50 25
SL/VI
Table 3.5.3
MISB Wiring