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GDK-100
DIGITAL KEY TELEPHONE SYSTEM
Table 3.5.6.6.c. shows the contact assignments of RJ21 type connector on BWDIDB.
Punch-Down
Block Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
BWDIDB connector
Pair
Pin
Color-Code Designation
1
26
1
2
27
2
3
28
3
4
29
4
5
30
5
6
31
6
7
32
7
8
33
8
9
34
9
10
35
10
11
36
11
12
37
12
13
38
13
14
39
14
15
40
15
16
41
16
17
42
17
18
43
18
19
44
19
20
45
20
21
46
21
22
47
22
23
48
23
24
49
24
25
50
25
Table 3.5.6.6.c
BWDIDB
WH/BL
R1
BL/WH
T1
WH/OR
R2
OR/WH
T2
WH/GN
R3
GN/WH
T3
WH/BN
R4
BN/WH
T4
WH/SL
SL/WH
RD/BL
BL/RD
RD/OR
OR/RD
RD/GN
GN/RD
RD/BN
BN/RD
RD/SL
SL/RD
BK/BL
BL/BK
BK/OR
OR/BK
BK/GN
GN/BK
BK/BN
BN/BK
BK/SL
SL/BK
YL/BL
BL/YL
YL/OR
OR/YL
YL/GN
GN/YL
YL/BN
BN/YL
YL/SL
SL/YL
VI/BL
BL/VI
VI/OR
OR/VI
VI/GN
GN/VI
VI/BN
BN/VI
VI/SL
SL/VI
BWDIDB Wiring
119
Line
No
1
2
3
4
BL:BLUE
BK:BLACK
BN:BROWN
OR:ORANGE
WH:WHITE
GN:GREEN
SL: SLIVER
VI:VIOLET
RD:RED
YL:YELLOW
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