o  link address

    MAC address assigned during manufacture of the communication
    hardware that is associated with the station (read-only).

 o  requested trt

    Default: 8.0           Value: 1-65535

    Requested token rotation timer.

 o  restricted token timeout

    Default: 1000          Value: 1-65535

    Length limit of a restricted token dialog.

 o  ring purger enable

    Default: True          Value: True or false

    Controls whether this station is eligible to be a ring purger and
    should participate in the ring purger election.

 o  valid transmission time

    Default: 3.4           Value: 1-65535

    Valid transmission time.