WPC, 2BS Z-Courier 10cpiF)#|]sRmn 14pt (AD)TmsRmn 10pt (AD)@HP LaserJet Series IIHPLASEII.PRSx  @,t0X@<\<\\,\`Pd\a݅@  I.   X(# BibliogrphyBibliography݅X  (# SubheadingSubheading0\ E A.  2m]eliCourier 10cpiTmsRmn 14pt (AD)TmsRmn 10pt (AD)Helv 14pt (AD)Helv 12pt (AD)Helv 10pt (AD)LtLtt8t|dtLp@>iiffSSxSrffx8SxA"xxSx]xxS姧 S88xfxxxxxxxxxx8S{ici{P8ix]i`xrxxxxxxxxxxSxxxxxxxofxGcxxxxxxxxSxxxxxxxSxxxxSxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx8xxx8xxx8xxx8xxxxxxxxxxxxx{`ic]S{``SfMx`f.+oS{Scx]xP`fc`flMiMrcxx]x{`x8irr`lrx88iiii{xiiirrr8fSJ8x"5t^,44P(@@P(8(TPPPPPPPPPP,,P|pttd>iiffSSxSrffx8SxA"xxSxXxxS姧 S88xfxxxxxxxxxx8S{ici{P8ix]i`xrxxxxxxxxxxSxxxxxxxofxGcxxxxxxxxSxxxxxxxJxxxxJxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx8xxx8xxx8xxx8xxxxxxxxxxxxx{`ic]S{``SfMx`f.+oS{Scx]xP`fc`flMiMrcxx]x{`x8irr`lrx88iiii{xiiirrr8fSJ8x"5t^ MESSAGEBASED ACCESS PROTOCOL5 ă Before transmitting: 1)DD=Station listens for INVITATION message. After monitoring: 2),DD=If a correct INVITATION is heard, then STATION sends REQUEST message containing complete header only. Go to 2a).(#D 3),DD=If no INVITATION is heard after a time period, STATION goes into default ACCESS MANAGER mode.(#D After REQUEST: 2a),DD=Station monitors. If GRANT is heard, Station sends body of packet. Go to 4) and 5).(#D 2b),DD=If GRANT is not heard, Station returns to 1) for retry.(#D Transmission description: 4),DD=Short labeling header is transmitted with limited length packet payload. Automatically initiated GRANTs are possible for segmented packet or isochronous payloads .(#D After end of transmission: 5),DD=Monitors channel for ACK. If heard, cycle is completed.(#D 6),DD= There is no possibility of contention during payload transmission. (#D 8(.@+@+::),+@+@+::8ԯ