Configure X.25 parameters
Digi TransPort User Guide 533
IP to X.25 Calls parameters
This page contains a table that allows you to enter a series of IP Port numbers and X.25 Call
strings as shown below. It is used to configure the router so that IP data can be switched over
X.25. For example data that is received on a TCP connection can be answered by a PAD as if it is
an X.25 call.
This table is duplicated in the Configure Protocol Switch software on page 567,as it is also used by
the protocol switch. It is included at this point in the web user interface as a convenience in case
the table is being used in conjunction with PAD and not the protocol switch.
IP Port
Used to set up the port numbers for those IP ports that will listen for incoming connections
that are to be switched over X.25 or other protocol. In the case of switching to X.25, when such
a connection is made the router will make an X.25 Call to the address specified in the X.25 Call
field. Once this call has been connected, data from the port will be switched over the X.25
session.
Number of Sockets
Selects how many IP sockets should simultaneously listen for data on the specified port. The
number of available IP sockets will depend on the model you are using and how many are
already in use (see note below).
X25 Call
The X.25 call field may contain an X.25 NUA or NUI or one of the X.25 Call Macros defined on
the Configuration > Advanced applications > X25 > Macros page.
PID
The protocol ID (PID) to use when the router switches an IP connection to X.25. The PID field
takes the format of four hexadecimal digits separated by commas, such as 1,0,0,0, at the start
of the Call User Data field in the X.25 call.
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