Receiver active/passive factory settings, Transmitter active/passive, Transmitted signal – Westermo MA-21 User Manual
Page 3: Cts controlled by, Inverted transmitter/receiver
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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