Assignment Of The Com 2 Port, X11 - Siemens SIMATIC Box PC 820 Manual

2.8.19

Assignment of the COM 2 Port, X11

The interface is connected from the basic module (X911) to the black plane by a
ribbon cable.
Pin No.
1
2
3
4
5
6
7
8
9
Housing
Figure 2-6
Siemens Distributor
Box PC 820 / PC FI45 V2, Manual
A5E00051531-03
Description
Serial COM 2 Port
DCD
RxD
TxD
DTR
Ground
DSR
RTS
CTS
R1
Ground
Motherboard
Pin No.
X911
1
3
5
7
9
2
4
6
8
+5V
2-23