Westermo MD-44 - Manual (Page 8)

6155-2002
10.99 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.
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
Unit 14 Talisman Business Centre • Duncan Road
Park Gate, Southampton • SO31 7GA
Phone: +44(0)1489 580 585 • Fax.:+44(0)1489 580586
E-Mail: [email protected] • Web: www.westermo.co.uk
Subsidiaries
Block diagram
V.11/RS-422
RS-485
V.24/RS-232
1) The jumpers J2 and J3 is normally not mounted
3
4
A
B
X2
TD
X3
3
TD
RTS
CTS
4
F1
0V
+5V
1
2
A'
B'
5
X2
0V
Activity
Trig
&
DCD
RTS
DCD
CTS
RD
RD
6, 7
S2
7
8
1
2
B
B
0V SG
Shield
DSR
6
+5V
5
PE
2
S3
S3
3
1
0V
Power
supply
Insulated power supply
J2 1)
J3 1)
0V
B
PE
0V
-12V
+5V
+12V
B
+5V
Bus termination
0V
B
B
+5V
Bus termination
0V
B
B