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]
Addresses are the same as in 802.3
Destination Address [6 octets]
Source Address [6 octets]