Westermo MA-21 - Manual (Page 3)

9 6021-2002
ON
OFF
S4
1 - 6
ON
OFF
S5 S1
1 - 9 1 - 6 1 - 4
S2 S3
S1 Selection of transmitted signal, selection
of signal controlling CTS
S2 Selection of transmitter/receiver
normal or inverted
S3 Selection of receiver active/passive
S4 Selection of transmitter active/passive
S5 Selection of power supply
115/230V AC
Receiver active/passive
Factory settings
S3
S3
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
Transmitter active/passive
Passive S4
Active S4
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
Passive
Transmitted signal
Active
ON
1 2 3 4 5 6 7 8 9
TD S1
ON
1 2 3 4 5 6 7 8 9
S1
ON
1 2 3 4 5 6 7 8 9
AUX S1
ON
1 2 3 4 5 6 7 8 9
SRS S1
ON
1 2 3 4 5 6 7 8 9
DTR S1
CTS controlled by
ON
1 2 3 4 5 6 7 8 9
RTS S1
ON
1 2 3 4 5 6 7 8 9
RD S1
ON
1 2 3 4 5 6 7 8 9
Always high S1
Inverted Transmitter/Receiver
Transmitter
Normal Normal
Normal
Inverted
Inverted
Inverted
Normal
Inverted
Receiver
S2
S2
S2
S2
ON
1 2 3 4
ON
1 2 3 4
ON
1 2 3 4
ON
1 2 3 4
S2
ON
1 2 3 4
S3
ON
1 2 3 4 5 6
S4
ON
1 2 3 4 5 6