Configuring legacy protocols Configure X.25 parameters
Digi TransPort® Routers User Guide
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5 Ancillary device control
Determines method of flow control the PAD uses to temporarily halt and restart the flow of data from
the DTE during a call.
Option Description
0 No flow control
1 XON/XOFF flow control
3 RTS/CTS flow control (not a standard X.3 parameter)
6 Suppression of PAD service signals
Determines whether or not the PAD> prompt and/or Service/Command signals are issued to the DTE.
Option Description
0 PAD prompt and signals disabled
1 PAD prompt disabled, signals enabled
4 PAD prompt enabled, signals disabled
5 PAD prompt enabled, signals disabled
7 Action on break (from DTE)
Determines the action taken by the PAD on receipt of a break signal from the DTE.
Option Description
0 No action
1 Send an X.25 interrupt packet
2 Send an X.25 reset packet to the remote system
4 Send an X.29 indication of break
8 Escape to PAD command state
16 Set PAD parameter 8 to 1 to discard output
Multiple actions on receipt of break are possible, by setting this parameter to the sum of the
appropriate values for each action required. For example, when parameter 7 is set to 21 (16 + 4 + 1),
an X.25 interrupt packet is sent followed by an X.29 indication of break, and then parameter 8 is set to
1. Do not set this parameter to 16; doing so would mean the remote system would receive no
indication that a break had been issued and output to the DTE would therefore remain permanently
discarded. If you need to use the discard output option, use it with the X.29 break option. so that on
receipt of the X.29 break, the remote system can re-enable output to your DTE using parameter 8.
8 Discard output
Determines whether data received during a call is passed to the DTE or discarded. The remote system
can directly set this value only; you can use this setting in a variety of circumstances when the remote
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