Westermo MD-42 - Manual (Page 8)

6152-2002
12.99 T
unaT
ryck AB, Eskilstuna, Sweden
Westermo Teleindustri AB • S-640 40 Stora Sundby, Sweden
Phone +46 16 612 00 Fax +46 16 611 80
E-mail: [email protected] • Westermo Web site: www.westermo.se
Westermo Teleindustri AB have distributors in several countries,
contact us for further information.
Block diagram
Westermo Data Communications GmbH
Bruchsaler Straße 18, 68753 Waghäusel
Tel.: +49(0)7254-95400-0 • Fax.:+49(0)7254-95400-9
E-Mail: [email protected] Westermo Data Communications Ltd
Solent Business Centre • Millbrook Road West
Millbrook, Southampton • SO15 0HW
Phone: +44(0)2380 704 611 • Fax.:+44(0)2380 702 682
E-Mail: [email protected]
Subsidiaries
SG
Power supply
A'
B'
A
B
Shield
V.11/RS-422
RS-485
V.24/RS-232
TD
RTS
DTR
DCD
CTS
RD
DSR
D-sub housing
2)
5
0V
PE
1
2
3
4
PWR
TD
+5V
DCD
+5V
3
7
4
1
1
2
3
4
5
RTS
20mS
CTS
RD
8
2
+5V
S3
+5VB
6
1K
100R
1K
S2
6
0VB
5
F1
R44 R
PE
R45
PE 0VB
0VB
+5VB
0VB
+12V
S2
6
4
S3
3
5
S3
Volt
sel
115/
230V
1
2
-12V
0V
+5V
2)
Insulated power supply
2)
1)
1) 0 ½ resistor R45 is normally not mounted.
2) Metal housing on D-sub is connected to PE if R is mounted. R = R3 on DC-model
(normally mounted), R = R1 on AC-mod (normally not mounted).