[MSDN Library June 1998] X.25, 802.2, or Switched SDLC Line (XIDs Exchanged) (18.1341911764706%)
MSDN Library Visual Studio 6.0 > Platform SDK > Networking and Distributed Services > Microsoft SNA Server > SNA Device Interface Specification > About SNADIS > The Data Link Control Interface > Opening a Connection > Activating a Host Connection