LG GDK-100 Manual page 120

GDK-100
DIGITAL KEY TELEPHONE SYSTEM
Table 3.5.5. shows the contact assignments of RJ21 type connector on PFTU.
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
PFTU connector
Pair Pin
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 3.5.5.5
PFTU
Color-Code Designation
WH/BL COT1-IN
BL/WH COR1-IN
WH/OR COT1-OUT
OR/WH COR1-OUT
WH/GN TEL1-T
GN/WH TEL1-R
WH/BN SLIB1-T
BN/WH SLIB1-R
WH/SL COT2-IN
SL/WH COR2-IN
RD/BL COT2-OUT
BL/RD COR2-OUT
RD/OR TEL2-T
OR/RD TEL2-R
RD/GN SLIB2-T
GN/RD SLIB2-R
RD/BN COT3-IN
BN/RD COR3-IN
RD/SL COT3-OUT
SL/RD COR3-OUT
BK/BL TEL3-T
BL/BK TEL3-R
BK/OR SLIB3-T
OR/BK SLIB3-R
BK/GN COT4-IN
GN/BK COR4-IN
BK/BN COT4-OUT
BN/BK COR4-OUT
BK/SL TEL4-T
SL/BK TEL4-R
YL/BL SLIB4-T
BL/YL SLIB4-R
YL/OR COT5-IN
OR/YL COR5-IN
YL/GN COT5-OUT
GN/YL COR5-OUT
YL/BN TEL5-T
BN/YL TEL5-R
YL/SL SLIB5-T
SL/YL SLIB5-R
VI/BL COT6-IN
BL/VI COR6-IN
VI/OR COT6-OUT
OR/VI COR6-OUT
VI/GN TEL6-T
GN/VI TEL6-R
VI/BN SLIB6-T
BN/VI SLIB6-R
VI/SL -
SL/VI -
PFTU Wiring
111
PFT
Circuit
st
1 Circuit
nd
2 Circuit
rd
3 Circuit
th
4 Circuit
th
5 Circuit
BL:BLUE
th
BK:BLACK
6 Circuit
BN:BROWN
OR:ORANGE
WH:WHITE
GN:GREEN
SL: SLIVER
VI:VIOLET
RD:RED
YL:YELLOW
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