State of the remote port. Possible displays are as follows:
     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.