Full 802.5 Frame
Start Frame Delimiter (JK0JK000) [1 octet]
Access Control (PPPTMRRR) (T=0 for full frame) [1 octet]
Frame Control (FFZZZZZZ) Type of Frame [1 octet]
FF tells type of frame
01 if contains 802.2 LLC Frame (data)
00 for supervisory frames
ZZZZZZ tells specific type of frame