o  lem threshold

                           Value: For n, 10 to the -n th power

    Link error monitor threshold.

 o  phy type

    Type of the physical port (A, B, S, or M). This characteristic
    cannot be set.

 o  pmd type

    Type of the PDM (transceiver) for this physical port. This
    characteristic cannot be set.

    ANSI multimode           Low power

    ANSI multimode type 1    Thinwire

    ANSI single mode type 2  Shielded twisted-pair

    ANSI SONET               Unshielded twisted-pair