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Aria-34e
Digital Key Telephone System
4.7.5 CO Line Wiring
The 4LCO and LCOB are wired to the CO line from telephone company through
CN15 of the MBU. Refer to following Table 6.( CO connector-CN15).
Punch-Down
MBU Connector CN15
Block Pin
Pair
1
1
2
3
2
4
5
3
6
7
4
8
9
5
10
11
6
12
13
7
14
15
8
16
17
9
18
19
10
20
21
11
22
23
12
24
25
13
26
27
14
28
29
15
30
31
16
32
33
17
34
35
18
36
37
19
38
39
20
40
41
21
42
43
22
44
45
23
46
47
24
48
49
25
50
Table 6. CO Connector (CN15) Wiring
Aria Communications Pty Ltd.
A.C.N. 090 723 925
Pin
Color-Code
Designation
26
WH/BL
CO1-R
1
BL/WH
CO1-T
27
WH/OR
CO2-R
2
OR/WH
CO2-T
28
WH/GN
CO3-R
3
GN/WH
CO3-T
29
WH/BN
CO4-R
4
BN/WH
CO4-T
30
WH/SL
CO5-R
5
SL/WH
CO5-T
31
RD/BL
CO6-R
6
BL/RD
CO6-T
32
RD/OR
CO7-R
7
OR/RD
CO7-T
33
RD/GN
CO8-R
8
GN/RD
CO8-T
34
RD/BN
CO9-R
9
BN/RD
CO9-T
35
RD/SL
CO10-R
10
SL/RD
CO10-T
36
BK/BL
CO11-R
11
BL/BK
CO11-T
37
BK/OR
CO12-R
12
OR/BK
CO12-T
38
BK/GN
CO13-R
13
GN/BK
CO13-T
39
BK/BN
CO14-R
14
BN/BK
CO14-T
40
BK/SL
CO15-R
15
SL/BK
CO15-T
41
YL/BL
CO16-R
16
BL/YL
CO16-T
42
YL/OR
CO17-R
17
OR/YL
CO17-T
43
YL/GN
CO18-R
18
GN/YL
CO18-T
44
YL/BN
CO19-R
19
BN/YL
CO19-T
45
YL/SL
CO20-R
20
SL/YL
CO20-T
46
VI/BL
-
21
BL/VI
-
47
VI/OR
-
22
OR/VI
-
48
VI/GN
-
23
GN/VI
-
49
VI/BN
-
24
BN/VI
-
50
VI/SL
-
25
SL/VI
-
4-38
Installation
Slot #3
Slot #4
Slot #5
Slot #6
Slot #7
BK:BLAC
K
BN:BROW
OR:ORAN
N
GE
WH:WHIT
GN:GREE
E
SL:SLIVE
N
VI:VIOLE
R
T
YL:YELL
OW
Rev 1.3
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