W&T Com-Server++ - Page 128

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W&T The Windows COM port redirector
Local Port and Control Port
SETUP Port x
TCP/IP Mode
...
Port List
...
Local Port TCP/UDP
Control Port TCP
If a TCP port which differs from the factory default setting
was entered in the COM Port Redirector, the corresponding
values must also be configured in the above menu paths of
the Com-Server. The Control Port Number used by the COM
Port Redirector is always calculated using the formula Data
Port + 1094.
Packeting options for serial receive data
SETUP Port x
TCP/IP Mode
...
TCP Server
Activ. Packet Options
System Options
Packet Options
...
When sending serial protocols such as Modbus/RTU, it is of-
ten necessary to send serial received datagrams also closed
on the network side in a TCP packet. The menu paths shown
above offer various ways to parameterize serial packet limits
(pause times, start-/end sequences, datagram lengths) and to
activate their processing for the respective mode. Details can
be found in the section Packeting of serial datagrams.