JLL 2000 Series, User Manual

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6.2.8. DZO/DZO1 signals configuration
The circuit, situated in the top of car junction box, offers 4 options for DZO and
DZO1 signals (see Fig. 12).
Option #1: Allows separating the DZO and DZO1 signals in two distinct negative
signals (COM).
Option #2: Allows separating the DZO and DZO1 signals in two distinct positive
signals (+).
Option #3: Allows putting the DZO and DZO1 signals in serial and the output
signal is on the DZO terminal. The signal is negative (COM).
Option #4: Allows putting the DZO and DZO1 signals in serial and the output
signal is on the DZO terminal. The signal is positive (+).
NOTE: OPR is the common for all signals. Put OPR to (COM) to have negative
signals or put OPR to (+) to have positive signals.
FIG. 12