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VIPER Technical Manual Detailed hardware description
© 2007 Eurotech Ltd Issue E 66
Typical RS422 and RS485 connection
RS485 MULTI-DROP RS422 POINT-TO-POINT RS422 MULTI-DROP
Number of Wires 5
Transmitters Enabled
always
Receivers Enabled always
Duplex Mode full
LK6 B
LK7
B
Number of Wires 5
Transmitters Enabled
active RTS
Receivers Enabled always
Duplex Mode full
LK6 B
LK7
B
Number of Wires 3
Transmitters Enabled
active RTS
Receivers Enabled always
Duplex Mode half
LK6 A
LK7 A