DS-K1802 Series Card Reader
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Please use a soft and dry cloth when clean inside and outside
surfaces of the device cover, do not use alkaline detergents.
Please keep all wrappers after unpack them for future use. In case
of any failure occurred, you need to return the device to the
factory with the original wrapper. Transportation without the
original wrapper may result in damage on the device and lead to
additional costs.
Improper use or replacement of the battery may result in hazard
of explosion. Replace with the same or equivalent type only.
Dispose of used batteries according to the instructions provided
by the battery manufacturer.
Preventive and Cautionary Tips
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.
