MVID 28h - Report Active Monitor Error
Destination Address: C0-00-00-00-00-08 (Ring Error Monitor)
Destination Class: 6 (Ring Error Monitor)
Source Class: 0 (ring station)
Subvectors: SVID 0Bh - Physical Drop Number
This frame is used to report a problem with the active monitor or the possibility of a duplicate address of stations contending for active monitor. This frame is sent to the functional address of the ring error monitor (REM).
There are three error codes:
Error Code / SVID=30h
Active Monitor Error 01 h
Duplicate Active Monitor 02 h
Duplicate Address 03 h