VULCAN Technical Manual
Detailed hardware description
© 2007 Eurotech Ltd Issue D
34
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
LINKS
A2-A1 & B2-B1
Number of Wires
5
Transmitters Enabled
active RTS
Receivers Enabled
always
Duplex Mode
full
LINKS A2-A1
&
B2-B1
Number of Wires
3
Transmitters Enabled
active RTS
Receivers Enabled
always
Duplex Mode
half
LINKS
A2-A3 & B2-B3