Siemens RUGGEDCOM RMC20 Installation Manual page 28

Note
The RS232 port is intended for point-to-point applications only.
In adherence to the EIA/TIA guidelines for RS232 communications, the following is
recommended by Siemens:
•
•
•
The RS232 port can be wired to standard DB9 console port.
1
2
Figure 3.4
RUGGEDCOM RMC20
Installation Manual, 04/2021, C79000-G8976-1007-10
Always use shielded cabling to minimize the effects of ambient electrical noise
Although greater distances are possible, limit the cable length to 15 m (49 ft) or
less for more reliable communications
Use a baud rate of 120 kbps
1
1
5
Serial Terminal
DB9 Console Port
RS232 Port to Console Port Pin Configuration
DB9 Pin
1
2
3
4
5
6
7
8
9
2
6
9
Name
Reserved (Do Not Connect)
RD
TD
Reserved (Do Not Connect)
SGND
Reserved (Do Not Connect)
Reserved (Do Not Connect)
Reserved (Do Not Connect)
Reserved (Do Not Connect)
Communication Ports
3.2.1 RS232 Data Ports
Description
Receive Data
Transmit Data
Signal Ground
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