PCI Token Ring Administrator's Guide

Token Ring Interface Card Statistics
Token Ring-Like Functional Group
Appendix A120
NOTE This is implemented correctly in PCI Token Ring.
Active Monitor Participation
If this entry contains a value of true(1), then this
interface will participate in the active monitor selection
process. If the value is false(2), then it will not. Setting
this object might not have an effect until the next time
the interface is opened.
Functional Address Mask
The bit mask of all Token Ring functional addresses for
which this interface will accept frames.