15
6617-2203
Line connection
*) If shielded cable is used, connect the shield only at one end to avoid ground currents.
4-wire
MDW-45
RS-422/485
equipment
RS-422/485
equipment
Transmitter/
Receiver
Transmitter/
Receiver
Twisted pairs
Twisted pairs
Receiver
Transmitter
Transmitter
Receiver
R+
R–
T+
T–
T+
T–
R+
R–
T+/R+
T+/R+
T–/R–
T–/R–
1
2
3
4
3
4
MDW-45
2-wire
