Default: No name       Value: Phase IV name

    Phase IV node name given to the client system when it is downline
    loaded. This name is passed in a load parameters message; whether
    it is needed depends on the software being loaded.

    set [node node-id] mop client client-name -
        phase iv client name phaseiv-name

    Example:

    set mop client imply phase iv client name imply, -
        phase iv client address 4.906