No directory, pc programmable, standard memory capacity of 100(50 with phone numbers; 50 access codes only), non-expandable.
IP Addressable, uses TCP/IP communication to program the system from your PC via a direct connection, LAN or an Internet connection. - Control up to six (6) additional access points with card readers, keypads or RF controls via RS-485 communication. - Blue light call button - 16.5 Volt AC transformer included (can be 12 Volt DC powered) - Uses the 1970-010 main board
|Maximum Memory Capacity||100|