6.4 Interface 1 (RS-232)
9-pos. D-sub
Pin. no.
1
2
3
4
5
6
7
8
9
6.5 Interface RS-422/485
9-pos.
Screw terminal
Direction Description Description
9
8
7
6
6.6 Line interface
2-pos.
screw terminal
Direction
1
2
6.7 Power connection DC
Screw no.
Description
1
–
2
+
6.8 Power connection AC
Screw no.
Power supply
L
115*/230 V AC
N
115*/230 V AC
PE/Protective Earth
24
9-pos.
Screw terminal
–
4
3
–
5
–
2
1
–
ITU-T V.11
in
A' (R+)
out
B' (R–)
in/out
A (T+)
in/out
B (T–)
Description
in/out
Transmitter/Receiver
(2-wire)
in/out
Power supply
0 V DC
12–55 V DC
* Special version 115 VAC
1
2
3
4
5
Direction
Description
–
–
out
RD/Received Data
in
TD/Transmitted Data
–
–
–
SG/Signal Ground
out
DSR/Data Set Ready
in
RTS/Request to Send
out
CTS/Clear to Send
–
–
RS-422 Receiver
RS-422 Receiver
RS-422/485 Transmitter/Receiver
RS-422/485 Transmitter/Receiver
1
2
1
2
N
L
6
7
8
9
9
8
7
6
5
4
9
8
7
6
The definition of R+/R–,
T+T– can vary between
different manufacturers.
3
2
1
5
4
3
2
1
6611-2001