Siemens SIMATIC PC Adapter TS Adapter Quick Reference Manual page 16

PC/TS Adapter
The RS232 connector has the following pin assignments:
1
6
Figure 1-10 RS232 Connector (PC-compatible)
Signals
Pin Abbrevia- Description
No. tion
1 DCD Data Carrier Detect
2 RXD Received Data
3 TXD Transmitted Data
4 DTR Data Terminal Ready
5 GND Reference potential (0V)
for all RS232 signals
(Signal Ground)
6 DSR Data Set Ready
7 RTS Request to Send
8 CTS Clear to Send
9 RI Ring Indicator
Shield On connector casing*
* The shield is interconnected with the MPI/DP connector via
the adapter casing's shield and the MPI/DP cable shield.
12
Quick Reference Guide
5
9
Input/
Output
Input
Input
Output
Output
Input
Output
Input
Input
PC/TS Adapter
A5E00078070-02