Siemens SIMATIC NET SINAUT ST7 System Manual page 229

Pinout of the X1 port
The X1 port is designed as a 9-pin D-sub miniature female connector. The female connector
can be changed to male with the supplied "pin" gender changer. As an RS-232 port, the
pinout corresponds to that of a standardized PC connector.
Table 6-2 Pinout of the X1 RS-232 connector
Illustration
Standard connecting cable for the X1 port
The TIM module is connected to the RS-232 X1 connector (female with pin gender changer).
The following standard connecting cable is available.
Table 6-3 Standard connecting cable for the RJ-232 port
Order no. Description
6NH7701-5AN Cable for connecting
•
•
Cable length 2.5 m
Antenna connector
The jack for connecting an antenna cable with an SMA connector is located at the top of the
front panel.
● Impedance: Approx. 50 ohms
SINAUT ST7 Station control system - System Manual
System Manual, 05/2007, C79000-G8976-C178-06
Pin no.
1
2
3
4
5
6
7
8
9
the GSM modem MD720-3 (X1 port) with a TIM 3V-IE
/ TIM 4 (RS-232) for data transmission
or
the GSM modem MD720-3 (X1 port) with a PC (serial
port / COM port) for configuration and service
Installing and putting a SINAUT modem into operation
Signal name Signal direction
DCD
RXD
TXD
DTR
GND
DSR
RTS
CTS
RI / T
6.2 GSM modem MD720-3
Remark
Output
Output
Input
Input
Output
Input
Output
Output
Illustration
229