201 Circle Drive N, Suite 116 Piscataway, NJ 08854 Tel: 732-412-6007 Fax: 732-412-6008
www.zkaccess.com
3. Connection with access controller
KR300 as a card reader, it cannot work by itself, only can connect with the access controller or access
control device to provide a front-end to identify cards. As below shown (when connection, please refer to
connection terminal definitions):
KR300
Connection terminal of
access control device
3.1 RS232 Communication
RS232 Communication can be used to connect the computer to set the parameters of card reader by the
control system of Wiegand reader and can not be used to connect the access control software in PC to
enroll cards etc. operations. The detailed operation about card enrollment, please refer to the
corresponding document of access control device.
Note
: When ID cards in card-reading area, the reader can output the ID card numbers through Wiegand;
when Mifare card is in card-reading area, the reader can output the card number through Wiegand and
can output four-byte card number through RS232 at the same time. And more, the card reader will enter
into the bidirectional RS232 communication status automatically. In reverse, if no Mifare card is in
card-reading area, the reader can not do RS232 communication which is only effective for Mifare cards
