User`s guide

HTML SET UP & DIAGNOSTIC
Failsafe ring SHDSL switch User’s guide ref 9014809-03 Page 47
17 Serial gateway set up
The XSRING-2220 features 1 RS232 and 1 RS485 – 2 wires – ports.
The XSRING-2230 features two RS232 serial ports.
A serial gateway can be assigned to each serial port .
However, if the same type of gateway is assigned to both serial ports, the
UDP or TCP port numbers must be different.
For instance, it is not possible to use modbus TCP with the port 502 at the
same time on the serial ports 1 and 2.
The gateways listed below are provided :
Modbus client or server (i.e. master or slave)
To connect several serial modbus slaves to several IP modbus clients.
Or to connect a serial modbus master to an IP modbus server.
RAW TCP server or client :
To connect 2 serial devices through an IP network.
RAW UDP :
To exchange serial data between several serial and IP devices, through
an IP network, using a table of IP addresses..
Telnet :
To connect a Telnet terminal to the RAS.
Unitelway slave :
To connect a serial unitelway master to an IP network.