Value,Name,Reference
0,Unassigned,
1,Packet,[RFC3471]
2,Ethernet,[RFC3471]
3,ANSI/ETSI PDH,[RFC3471]
4,Reserved,[RFC3471]
5,SDH ITU-T G.707 / SONET ANSI T1.105,[RFC3471]
6,Reserved,[RFC3471]
7,Digital Wrapper,[RFC3471]
8,Lambda (photonic),[RFC3471]
9,Fiber,[RFC3471]
10,Reserved,[RFC3471]
11,FiberChannel,[RFC3471]
12,G.709 ODUk (Digital Path),[RFC4328]
13,G.709 Optical Channel,[RFC4328]
14,"Line (e.g., 8B/10B)",[RFC6004]
15-239,Unassigned,
240-255,Experimental Usage/temporarily,