Does one access controller can be connected with two card readers?
It need to know the type of access controllers, such as FC-8840A can be connected with 8 card readers, FC-198 can be connected with 1 card readers, the port also named as wiegand port which is connected with the card reader, 1 wiegand port just only can be connected with 1 wiegand card reader. (actually it can be connected with many card readers, however it will cause reading card failure, so we suggest to connected with 1.)
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