ACC X.25 Protocol User's Guide

ZX25D X.25 Protocol Driver
Configuration
Chapter 3 39
The POLL and SELECT words configure the following parameters for
the X.25 Link (terminal type 25) configuration:
They are formatted in the POLL and SELECT words as follows:
T1,T2 L2 acknowledgment timers
DTE/DCE Operating mode - DTE or DCE
80/84 X.25 revision selection
L2E Modulo 8 or 128 transmit sequence numbering
CTS Ignore CTS and DCD signals (to avoid L2 reset if
one or both of these signals is not stable).
K Frame level transmit (Tx) window
N2 Number of transmit (Tx) retries allowed
Max_inpacket Largest L3 packet size on this link subscription
parameters