Westermo MA-14 Installation Manual page 10

Short haul modem
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Connections
Line connection to X2.
Power is supplied either with
(PS-8, connects to X1) or
X4 or through the 25 pin D-sub.
Line connections
5-position screw-terminal
Direction
Connection
Receiver
Receiver
Transmitter
Transmitter
Terminal connection (DCE)
(RS-232-C/V.24, 25/9-Pos D-sub, male/female alt. RJ-45)
Direction
Connection
I
O
I
O
O
O
I
I
I
I
I = Input, O = Output on MA-14
10
ITU-T V.11
no.
Description
1
R+
2
R–
3
T+
4
T–
5
Shield
ITU-T V.24
no.
Circuit no.
2
103
3
104
4
105
5
106
6
107
7
102
8
109
9
10
11
126
19
120
20
108/2
25
133
Description
TD/Transmitted data
RD/Received Data
RTS/Request To Send
CTS/Clear To Send
DSR/Data Set Ready
SG/Signal Ground
DCD/Data Carrier Detect
PWR +12V
PWR –12V
AUX/Auxiliary
SRS/Secondary Request to Send
DTR/Data Terminal Ready
RFR/Ready for Receiving
X4
X2
5 4 3 2 1
Below
X1
6014-2013

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