Installation manual

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INSTALLATION MTM800 Enhanced Mobile Terminal Installation Manual 65
9-Pin subD Connector
The pin assignment of this 9-pin subD connector will follow the requirements of an RS232 standard
interface with RS232 voltage level. The cable (see section
“Connecting Cables” on page 69) which
has to be used is a standardized serial interface cable which allows to connect a data device with an
RS232 Interface such as for example PC, Laptop, Console.
Table 13 9-Pin subD Connector
Pin Function Description PC Direction
1 DCD Data Carrier Detect Input
2 RXD Received Data Serial IN
3 TXD Transmitted Data Serial OUT
4 DTR Data Terminal Ready Output
5 GND Ground Output
6 DSR Data Set Ready Input
7 RTS Request to Send Output
8 CTS Clear to Send Input
9 RI Ring Indicator Input