Westermo MA-49 - Manual (Page 8)

SG
Power supply
1) 0
Ω
resistors R52 is normally not mounted.
A'
B'
A
B
Shield
V.11/RS-422
RS-485 V.24/RS-232
TD
RTS
DTR
DCD
CTS
RD
DSR
2)
7
0V
1
2
3
4
PWR
TD
+5V
DCD
+5V
2
4
20
8
1
2
3
4
5
RTS
20mS
CTS
RD
5
3
+5V
S3
+5VB
6
1K
100R
1K
S2
6
0VB
5
F2
0VB
+5VB
0VB
+12V
S2
6
4
S3
3
5
S3
1
2
-12V
+5V
2)
F1
0V
0V 0VB
R52 1)
6049-2001
01.1
1 Mälartryck
AB, Eskilstuna, Sweden
Block diagram
Westermo Teleindustri AB • SE-640 40 Stora Sundby, Sweden
Phone +46 16 42 80 00 Fax +46 16 42 80 01
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 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
Westermo Data Communications GmbH
Goethestraße 67, 68753 Waghäusel
Tel.: +49(0)7254-95400-0 • Fax.:+49(0)7254-95400-9
E-Mail: [email protected] • Web: www.westermo.de
Westermo Data Communications S.A.R.L.
9 Chemin de Chilly 91160 CHAMPLAN
Tél : +33 1 69 10 21 00 • Fax : +33 1 69 10 21 01
E-mail : [email protected] • Site WEB: www.westermo.fr
Subsidiaries