Overview
6NH7811-0AA22 © Siemens AG 2002 All Rights Reserved
1-2 MD2 Modem (07/2002)
1.1 Areas of Application
The MD2 modem (see Fig. 1-1) is an FSK dedicated line modem for half-duplex
data transmission via a 2-wire or duplex data transmission via a 4-wire multi-point
dedicated line. The MD2 can also be used as a repeater on a 2-wire and 4-wire
dedicated line.
It was developed as a component of the SINAUT ST7 station control system but
can also be used as a normal dedicated line modem independent from this system.
Due to its design and its electrical properties, the MD2 is suited for use in industrial
applications.
Fig. 1-1 SINAUT MD2 Modem
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