Programming Guide

CHUMP Reference Guide
16
Flow Control Commands
Flow control commands are data link and transport layer
commands that acknowledge data flow or request data
retransmission. The Flow Control commands are shown in the
following table with the software version where the command
was first implemented.
Cmd
Description Rev
A Acknowledgement (Ack) 1.20
N Negative Ack 1.20
S Request resend of last serial msg 1.30