Serial Terminal; Rs232 Data Ports - Siemens RUGGEDCOM RMC20 Installation Manual

Chapter 3
Communication Ports
Available Ports
Figure 11: ST Port
1. Tx Connector 2. Rx Connector
Specifications
For specifications on the available fiber optic ports, refer to
Section 3.2

Serial Terminal

The RUGGEDCOM RMC20 is equipped with a seven-terminal Phoenix-style connector. This connector can
accommodate one RS232 connection, and one RS485/422 connection. The following is the pin-out for the serial
terminal:
1
Figure 12: Serial Terminal Pin Configuration
CONTENTS
• Section 3.2.1, "RS232 Data Ports"
• Section 3.2.2, "RS485/422 Data Ports"
Section 3.2.1

RS232 Data Ports

The serial terminal includes a single EIA/TIA RS232 compliant port, consisting of three terminals: Transmit (Tx),
Receive (Rx) and Common (COM).
IMPORTANT!
The RS232 port is intended for point-to-point applications only.
16
1
Section 4.2, "Fiber Optic Port Specifications"
Pin
1
2
3
4
5
7
6
7
2
Name Mode
Rx RS232
Tx RS232
COM Shared common
-Rx RS422/485
+Rx RS422/485
-Tx RS485
+Tx RS485
RUGGEDCOM RMC20
Installation Guide
.
Description
Receive data
Transmit data
Receive data-
Receive data+
Transmit data-
Transmit data+
Serial Terminal