
X.25 Status 162
Global Status Fields
Port number
Number of the Eiconcard Port being monitored.
Port name
The name of the Eiconcard Port being monitored.
Window size
Number of packets that can be sent before waiting for an
acknowledgment. Both Receive and Transmit values are shown. They are
usually the same (symmetrical) but could be different.
Packet size (bytes)
The size of the X.25 packet in bytes. Both Receive
and Transmit values are shown. They are usually the same (symmetrical) but
could be different.
Packet format
In 1984, the CCITT added an Extended Packet definition to
the X.25 specification.
Maximum retry count N3
When a particular packet meets with repeated
negative acknowledgments from the remote device, there must be a limit as to
the number of retries made.
Restart timer T20 (sec)
The Packet Level Restart timer in seconds.
Reset timer T22 (sec)
The Reset Supervision timer in seconds.
Call timer T21 (sec)
The Call Supervision timer in seconds.
Clear timer T23 (sec)
This Clear Supervision timer in seconds.
Idle timer (sec)
The Idle Connection timer in seconds.
Acknowledgment timer (msec)
This is the Acknowledgment timer in
milliseconds. If the application sends no data for the duration of this timer,
your Eicon Networks software sends a Window Update.
Two-way VCs configured
The total number of Two-way Virtual Circuits
(TVC) configured in the Eicon Configuration Program.
Permanent VCs configured
The total number of Permanent Virtual
Circuits (PVC) configured in the Eicon Configuration Program.
Value Description
Standard Allow only the standard packets supported on all networks.
Extended Allow a larger window size and use of extended clearing, call user data,
and other features supported only by certain networks.
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