Library /sys$common/syshlp/NCLHELP.HLB

 o  client

    Specifies the name of the client that opened the port.

 o  link name

    Specifies the name of the llc2 sap link entity the port is
    associated with.

 o  state

    Specifies the state of the llc2 port entity.

    open          The port is assigned to a client and is enabled.

    disabled      The port is assigned to a client but is disabled.