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DS-K1100 Series Card Reader
vii
To guarantee the card reader works properly, please read and obey the
notes below.
If the card reader is powered by the controller, the power supply
distance is recommended to be no longer than 100m. If the distance is
longer than 100m, you are advised to power the card reader by
external 12V (range: -%10 ~ +%10) DC power supply, which is
nonswitched and linear.
To guarantee the communication between the controller and the card
reader, you must use RVVP cable above 0.5 to connect them.
If the card reader is installed outside or in environment easy to
permeable, it is advisable to install a waterproof shield.
If you need to install several card readers, the distance among them
must over 30cm.
To reduce the noise in long distance transmission, the shield of cable
should connect to the GND of both controller and card reader
terminal.
Please take care of your card and report card loss in time when card is
lost.
If you require a higher security level, use multiple authentication
modes.
Multiple card types are supported. Please select an appropriate card
type according to the card performance and the usage scenarios.
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