o  client

    Name of the client entity.

 o  link

    Name of the DDCMP link that the client is using.

 o  logical station

    Name of the DDCMP link logical station supplied by the client
    when the port was opened.

 o  state

    State of the port.

    call           The port is assigned to a client and the link
    attached       is associated with the current call on the
                   line. Applies only when the link operates over
                   a switched line.

    open           The port is assigned to a client.

    open           The port is assigned to a client, but the link
    disabled       or logical station entity used by the port is
                   disabled.

 o  type

    Type of port.

    normal         For normal data communications.

    service        For service operations. This is the value that
                   modules such as MOP would use.