ZA 1999 NK: Network cable for cascading several instruments
                       for baud rates up to 57.6 kB. Current-Loop,
                       galv. sep., length 1.5 m

ZA 1999 FS: Network connector with screw terminals for self-mounting
                     of a 4-wire network cable, max. cable length 50 m
                     Example of application:

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