Line connection, Connections ma-67 – Westermo MA-67 User Manual
Page 6
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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
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