This object controls the maximum consequetive unacknowledged
frames which an SDLC link station shall send without an
acknowledgement. This shall range from one to modulus minus one.
The modulus is controlled by the object: wfSdlcLSAdminMODULO.
This value will controlled by the administered MAXOUT,
wfSdlcLSAdminMAXOUT, or by the value negotiated in the XID exchange
for link stations on a switched SDLC line.