User`s guide

HTML SET UP & DIAGNOSTIC
17.1.2 “Modbus client” gateway
That gateway can be used only if a serial modbus master device is
connected to the serial interface of the XSRING.
That modbus master can send requests to slaves connected to the serial
interface or to up to 256 modbus TCP servers connected to the IP
network (i.e. modbus slaves).
To configure the modbus client gateway,
• select the modbus menu and then “modbus client” menu;
• enable the “modbus client” gateway and set up the parameters as
follows :
“ASCII / RTU protocol” parameter :
Select the right option
“Inter-character gap” parameter :
Set up the maximum delay the gateway will have to wait between a
received character of a modbus answer frame and the following character
of the same frame.
Failsafe ring SHDSL switch User’s guide ref 9014809-03
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