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DIVA T/A PC Card Reference Guide 43
V120 Configuration Commands—Continued
Command Description
AT!E3=n V.120 K Window Size: Applicable to the multiframe
mode only. K (Window Size) determines the maximum
number of sequential data frames that may be
outstanding (not acknowledged) at any given time.
Valid range is 1-127 frames. Default: 7.
AT!E4=n V.120 T200 (Retransmission Timer): Applicable to
the multiframe mode only. T200 (Retransmission
Timer) is the maximum time allowed to determine if a
transmitted frame was received by the remote device,
prior to its retransmission. The unit of measurement is
1/10 seconds. Valid range is 1-255. Default: 15 (equal
to 1.5 second).
The value specified for T200 (Retransmission Timer)
must be less than the value specified for T203 (Link
Integrity Timer). Otherwise, the default values are
used.
AT!E5=n V.120 N200 (Maximum Retry Count): Applicable to
the multiframe mode only. N200 (Maximum Retry
Count) is a system parameter which identifies the
maximum number of retransmissions of a frame due to
T200 expiring. When the maximum number of
retransmissions is reached, the recovery process is
started which may cause call disconnection.
Valid range is 1-10.
Default: 3.