1 – station
o abort transmitted
Station has transmitted an abort delimiter.
o auto-removal failure
Self-test failed following a beacon auto-removal process.
o burst error
Absence of transitions on the physical media.
o frame copied error
This station received a frame addressed to its MAC address with
the A and C bits set.
o internal error
Station has detected an internal error.
o line error
CRC error or Manchester Violation detected in a token or frame
with the E bit = 0.
o lobe wire fault
Short or open circuit detected on cable.
o lost frame error
TRR timer expired while this station was transmitting.
o receive data overrun
A receive overrun hardware error was detected.
o remove received
Remove ring station MAC frame received.
o ring beacon initiated
The station started the beacon process.
o ring beaconing
Beacon MAC frames being sent or received.
o ring poll error
Failure to properly set A and C bits during the ring poll process.
o ring recovery
Station is receiving or transmitting claim token MAC frames.
o route discovery failure
Route discover timer expired.
o selftest failure
The implementation specific self-test procedures have detected a
failure.
o signal loss
Loss of signal on the physical media.
o single station
The only station participating in the ring poll process.
o soft errors reported
Soft error report MAC frame sent to ring error monitor.
o station buffer unavailable
No buffer was available to receive a frame.
o token error
This station, as active monitor, has had to transmit a new token
following an error condition.
o transmit failed
Failure to transmit operation other than underrun.
o transmit underrun
Transmit failed due to underrun.
o unrecognized individual pdu destination
An individually addressed frame with unrecognized DSAP or
protocol ID.
o unrecognized multicast pdu destination
A globally addressed frame with unrecognized DSAP or protocol ID.
o user buffer unavailable
Data link user did not supply a receive buffer.