Old revisions Add to book Export to PDF Book Creator Add this page to your book Book Creator Remove this page from your book Manage book (0 page(s)) Help BioStar 2, RS485, antipassback, localzone Local Anti-Passback configuration (No License) This document will guide you how to configure Local Anti-Passback zone which is provided without license. RS-485 Mode Local zone means RS-485 based, master device is zone master. Please refer to the below link for RS-485 configuration. RS485 Mode (Master, Default, Slave) Door configuration Go to Device tap, click Add Door and configure the door which you want to set up Anti-Passback zone. Assign each Entry device and Exit device to the devices you have already added at the above step. (RS-485 Master and Slave devices) Once you assigned Entry Device and Exit Device, Anti-Passback and Alarm menu will be added at the bottom.