State of the remote port. Possible displays are:

     DISAB    Remote port is disabled.
     ENAB     Remote port is enabled.
     M_DISAB  Remote port is in maintenance mode and is disabled.
     M_ENAB   Remote port is in maintenance mode and is enabled.
     M_UNINIT Remote port is in maintenance mode and has not been
              initialized.
     UNINIT   Remote port has not been initialized.