Controlled-products-systems-group WDG-5912 Manuel d'utilisateur télécharger pdf (Page 6)

WDG-5912 External Supply for Reader

Reader Power Supply

Ground is connected to

Reader and Wedge.

Power (+VDC) is connected

to reader ONLY.

External power should not

be applied to +5 VDC

connection of wedge.

(+)

(-)

An external power supply may be required for applications where the

combined current requirements of the wedge and reader exceed the

capacity of the USB interface. A power supply will also be required

for readers that specify more than 5 volts supply voltage (ie 12VDC )

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Controlled-products-systems-group WDG-5912 Manuel d'utilisateur Page 6