Westermo MA-67 - Manual (Page 6)

12 6067-2001
Line connection
TX
RX
TX
RX
Shield 1)
Equipment with
RS-422/V.11
MA-66, MA-67,
LD-63, MD-62/63
MA-66, MA-67,
LD-63, MD-62/63
= Termination
MA-67
T+
T–
R+
R–
1
2
3
4
5
R– R+ T– T+
R+
R–
T+
T–
TX
RX
TX
RX
Shield 1)
Equipment with
RS-485
= Termination
1) If shielded wire is used, connect shield only one end to avoid ground loop currents.
MA-67
3
4
5
T–/R– T+/R+
T+/R+
T–R– T+/R+
T–/R–
Direction Connection CCITT V.24
No. Description
Receiver 1 A’ (R+)
Receiver 2 B’ (R–)
Transmitter 3 A (T+)
Transmitter 4 B (T–)
5 Shield
Connections MA-67
Line connection
(5-position screw terminal)
Rear wiew of
RV-01 with
MA-67 mounted.
5 position screw
terminal.
Connection of
RS-422/485