Bay Networks NauticaRS Reference Manual page 333

Using IP
Parameter: flag
MTC: fla
Default: none
Options: none, syn!ack
Function: The default option here is none. There is only one other
option that can be set here, SYN!ACK. This option is
only applicable when using protocol TCP or !TCP. The
purpose of the flag field is to allow a match for a
connection pair attempting to establish a Telnet session.
Instructions: Change the flag parameter if required.
117237-E Rev.00 9-19