1
2
3
4
5
6
7
8
9
S1:1-6
1
2
3
4
V24/RS-232-C
SHORT HAUL
MODEM
LINE CONNECTION
-
+
TD
RD RTS CTS DCD DT
DS
SG
103
104 105 106 109 108 107 102
12-36V DC
POWER
R+ R- T+ T-
PW
V24/RS-232-C
CONNECTION
5
MD-12 DC
7
6150-2002
Switch settings
The MD-12 can through different switch settings be adapted to a variety of operating
conditions. To set the switches, open the plastic case by removing the top cover.
ATTENTION. Never open live unit!
S1
Selection of signal activating transmitter (carrier)
Selection of signal controlling CTS
Transmitter (carrier)
activated by
Factory settings
Always active
RTS
DTR
DTR and RTS
S1
S1
S1
S1
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
CTS-control
RTS
S1
S1
Always high
S1
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
DCD
S1
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
