Functional Description and Programming Guide for advanced access controllers (PRxx2 Series) this document refers to following products: PR102DR, PR102DR-BRD, PR402DR, PR402DR-BRD, PR402DR-12VDC, PR402DR-12V-BRD, PR602LCD-DT-I, PR602LCD-DT-O, PR612, PR622, PR312EM, PR312MF, PR312MF, PR312MF-BK, PR302