Access Control Compatibility Matrix
Max. users Event log buffer Max. readers Max. inputs Max. outputs Com. Port MD-D02 MD-D04 MD-IO84 R/S/D/P-805 Video outputs * With expansion ** With two OSDP readers
AC-215 5000 5000 2 4 4 RS232, RS485 X X X X 0
AC-225 30000 20000 2/4* 4/12* 4/8* RS232, RS485, TCP/IP V X V X 0
AC-425 30000 20000 4/8* 4/12* 4/8* RS232, RS485, TCP/IP X V V X 0
AC-825IP 60000 500000 4/8*/10** 12/28 with S-805 6/22 with R-805 RS485, TCP/IP X X X V 0