Allied Telesis T-8100L/8 User Manual page 308

Chapter 25: LLDP and LLDP-MED
308
C = Cable Device
S = Station only
Med Device class and Power Source code— Indicates whether

or not the MED device Classes I through III are supported. Power
Source code indicates the current power source which is either the
Primary Power Source or the Backup Power Source. The codes
are:
C1 = Class I
C2 = Class II
C3 = Class III
N = Network
PSE = PoE
L = Local
Both = Both primary and backup
Prim = Primary
UN = Unknown
Ba = Backup