o  implementation

    Particular DECnet implementation of the node. You cannot modify
    this characteristic.

 o  listener template (Tru64 UNIX)

    Name of the OSI transport template to be passed through the
    CMIP listener to session control. You cannot modify this
    characteristic.

 o  maximum listeners (Tru64 UNIX)

    Maximum number of CMIP listeners that the node supports. Zero
    specifies an unlimited number of listeners. You cannot modify
    this characteristic.

 o  version

    Version number of the network management architecture
    specification to which the implementation conforms. You cannot
    modify this characteristic.