Configuring and Managing Host-Based X.25 Links - Edition 6 (36939-90057)

Configuring DTCs Step-by-Step
Modify the Network Management Configuration File
Chapter 3
87
Retransmission timer (T1) Time, in milliseconds, the transmitting node waits
before retransmitting an unacknowledged frame. The default of
3000 milliseconds is adequate for most installations.
Range: 1000 to 12000 milliseconds.
Timer (T3) This value is required only if you are using the 1984 CCITT
standard. Specifies the time a link will remain idle before it is
automatically reset. The value of T3 must be greater than T1. The
default is 20 seconds.
Range: 0 to 1000 seconds.
Retransmission count (N2) The number of times a frame is retransmitted before
an error is indicated. The default is 20 times.
Range: 0 to 255.
Unacknowledged frame number (K) The maximum number of frames which can be
transmitted without acknowledgment from the network.
Range: 1 to 7.
Modulo The counting cycle for the send frame sequence number.
Range: 8 or 128.