6.8.3 Inhibit Control
The Inhibits can be used to either enable or disable the acceptance of those
banknotes programmed on channels 1, 2, 3 and 4. The Inhibits are internally held
high and must be set to low (GND) to enable banknote acceptance. If no Inhibit is
set to low (GND) the Master Inhibit is set and the validator is disabled.
6.8.4 Escrow Control
The NV9 validator has a single note escrow facility. This allows the unit to hold onto
the note once validated, and then only stack the note into a cashbox when the host
machine confirms that the Vend operation has been completed. Please refer to
Appendix 11.8 for timing diagram and further details.
6.8.5 IF9 Interface
The IF9 is an interface that allows serial SSP to be used in machines without the
need of updating the machine software. The IF9 is connected between the validator
and the host machine. The IF9 communicates with the unit in serial SSP which gives
more security along the length of the cable. The IF9 should be mounted close to the
host machine control board where the IF9 converts to the binary connection.
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