Contact Assignments Of Rj21 Type Connectors On Extension Boards - LG GDK-100 Manual

GDK-100
DIGITAL KEY TELEPHONE SYSTEM
3.5.4.6

Contact Assignments of RJ21 Type Connectors on Extension Boards.

Table 3.5.4.6.a. shows the contact assignments of RJ21 type connector on DTIB12/DTIB24.
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
DTIB 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 3.5.4.6.a
DTIB
WH/BL DT-1
BL/WH DR-1
WH/OR DT-2
OR/WH DR-2
WH/GN DT-3
GN/WH DR-3
WH/BN DT-4
BN/WH DR-4
WH/SL DT-5
SL/WH DR-5
RD/BL DT-6
BL/RD DR-6
RD/OR DT-7
OR/RD DR-7
RD/GN DT-8
GN/RD DR-8
RD/BN DT-9
BN/RD DR-9
RD/SL DT-10
SL/RD DR-10
BK/BL DT-11
BL/BK DR-11
BK/OR DT-12
OR/BK DR-12
BK/GN DT-13
GN/BK DR-13
BK/BN DT-14
BN/BK DR-14
BK/SL DT-15
SL/BK DR-15
YL/BL DT-16
BL/YL DR-16
YL/OR DT-17
OR/YL DR-17
YL/GN DT-18
GN/YL DR-18
YL/BN DT-19
BN/YL DR-19
YL/SL DT-20
SL/YL DR-20
VI/BL DT-21
BL/VI DR-21
VI/OR DT-22
OR/VI DR-22
VI/GN DT-23
GN/VI DR-23
VI/BN DT-24
BN/VI DR-24
VI/SL -
SL/VI -
DTIB12/DTIB24 Wiring
106
Port
No
0 DTIB12/24
1
2
3
4
5
6
7
8
9
10
11
DTIB12/24
12 DTIB24 only
13
14
15
16
17
18
19
BL:BLUE
BK:BLACK
20
BN:BROWN
OR:ORANGE
21
WH:WHITE
GN:GREEN
22
SL: SLIVER
VI:VIOLET
23
RD:RED
YL:YELLOW
-
-