Westermo MD-12 - Handbuch (Seite 8)

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.