Aria
-34e
Installation
Digital Key Telephone System
Aria Communications Pty Ltd.
Rev 1.3
A.C.N. 090 723 925
4-32
Punch-Down
MBU Connector CN14
Block Pin
Pair
Pin
Color-Code
Designation
1
1
26
WH/BL
RELAY-R1
2
1
BL/WH
RELAY-T1
3
2
27
WH/OR
4
2
OR/WH
5
3
28
WH/GN
RELAY-R2
6
3
GN/WH
RELAY-T2
7
4
29
WH/BN
8
4
BN/WH
9
5
30
WH/SL
10
5
SL/WH
11
6
31
RD/BL
12
6
BL/RD
13
7
32
RD/OR
PFT-VO
14
7
OR/RD
PFT-CTL
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
22
11
BL/BK
23
12
37
BK/OR
ALARM-T
24
12
OR/BK
ALARM-R
25
13
38
BK/GN
26
13
GN/BK
27
14
39
BK/BN
28
14
BN/BK
29
15
40
BK/SL
30
15
SL/BK
31
16
41
YL/BL
VR-4
32
16
BL/YL
VT-4
33
17
42
YL/OR
VR-3
34
17
OR/YL
VT-3
35
18
43
YL/GN
VR-2
36
18
GN/YL
VT-2
37
19
44
YL/BN
VR-1
38
19
BN/YL
VT-1
39
20
45
YL/SL
DR-6
40
20
SL/YL
DT-6
BL:BLU
E
41
21
46
VI/BL
DR-5
BK:BLA
CK
42
21
BL/VI
DT-5
BN:BR
OWN
43
22
47
VI/OR
DR-4
OR:OR
ANGE
44
22
OR/VI
DT-4
Digita
l
WH:WH
ITE
45
23
48
VI/GN
DR-3
GN:GR
EEN
46
23
GN/VI
DT-3
SL:SLIV
ER
47
24
49
VI/BN
DR-2
VI:VIO
LET
48
24
BN/VI
DT-2
RD:RED
49
25
50
VI/SL
DR-1
YL:YEL
LOW
50
25
SL/VI
DT-1
Table 1. BASIC CONNECTOR (CN14) WIRING
The lower connector (CN16) is used to connect extensions with the option boards
installed in universal slots(slot #4~7). This means that any kind of extensions (digital
keysets, analogue keysets or SLTs) can be connected to this connector depending on
what kind of interface boards are installed.