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V24/
RS-232
Power
supply
E-mail: info@westermo.se • Westermo Web site: www.westermo.se
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: sales@westermo.co.uk • Web: www.westermo.co.uk
Block diagram
RS-232
Interface
L
E
D
S
Dip-switch
Memory
Isolated power supply
Westermo Teleindustri AB • S-640 40 Stora Sundby
Tel 016 612 00 Fax 016 611 80
Dotterbolag
DSP
Line
Interface
CPU
Watch-
dog
+5V
2
E
-
PROM
Westermo Data Communications GmbH
Bruchsaler Straße 18, 68753 Waghäusel
Tel.: +49(0)7254-95400-0 • Fax.:+49(0)7254-95400-9
E-Mail: westermo.germany@t-online.de
Telephone
Line/
Leased Line
+5V
0V
-5V
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