Digi X2 - Manual (Page 140)

C o n f i g u r a t i o n t h r o u g h t h e w e b i n t e r f a c e
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TCP and UDP network port numbering conventions
Digi devices use these conventions for TCP and UDP network port numbering.
Ensure that the application or Digi device that initiates communication with the uses these
network ports numbers. If they cannot be configured to use these network port numbers,
change the network port on the Digi device.
UDP Sockets profile
The UDP Sockets profile allows serial devices to communicate using UDP. The UDP
Server configuration allows the serial port to receive data from one or more systems or
devices on the network. The UDP Client configuration allows the automatic distribution
of serial data from one host to many devices at the same time using UDP sockets.
The port numbering conventions shown in the TCP Sockets Profile also apply to UDP
sockets.
For this connection type... Use this Port
Telnet to the serial port 2001 (TCP only)
Raw connection to the serial port 2101(TCP and UDP)