8
6150-2002
N
230V
L
AC power
PE/Protective Earth
Connections MD-12
Line connections
(5-position screw-terminal)
Riktning
No.
Description
Receiver
1
R+
Receiver
2R–
Transmitter
3
T+
Transmitter
4
T–
5
Shield
Power connection (AC)
(3-position screw-terminal)
Screw
no.
Power
supply
MD-12
Twisted pairs
i.e MA-12, MA 19…
Transmitter
Receiver
1
2
3
4
5
R+
R–
T+
T–
T+
T–
R+
R–
Receiver
Transmitter
Shield 1)
Line connection MD-12
1) If shielded cable is used, connect the shield only at one end to avoid ground currents.
I
3
8
103
TD/Transmitted Data
O
27
104
RD/Received Data
I
7
6
105
RTS/Request To Send
O
8
5
106
CTS/Clear To Send
O
6
2107
DSR/Data Set Ready
–
5
9 & 1
102SG/Signal Ground
O
1
4
109
DCD/Data Carrier Detect
I
4
3
108/2DTR/Data Terminal Ready
Description
Terminal connection (DCE)
(RS-232-C/V.24/V.28, 9-position D-sub, female)
I=Input and O=Output on MD-12
Direction 1)
Pin
no.
Screw
no.
CCITT V.24
Circuit no.