Westermo TF-300 - Manual (Page 20)

6606-2201
10.99 Mälartryck 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
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
Block diagram
Data
buffer
OR
Settings
0V
0V
DSR RTS CTS DCD RD TD RD TD
Data
buffer
FSK
modulation
Data rate
conversion
(if needed)
Data rate
conversion
(if needed)
FSK
demodulation
Analogue filtering
FSK modulated data (V21) for connection
to the “Secure Stream™ 30” network
Line interface
DTE
interface
RS-232 RS-422/485
Modem
chip
Processor,
UART and
memory