Provide 4 Door Entry Points & Keyless Entry (or Optional Card Readers) for up to 250 Apartments or OfficesRS-232 Port for programming via a PCRemote or local Touch Tone programmableSupports 4 entry pointsSupports 4 Wiegand type card readersCompatible with Viking’s vandal resistant K-1700-3, K-1900-8 or any Touch Tone phoneNon-volatile memory (no batteries required)Stores 250 tenant Touch Tone phone numbers and 250 entry codesProgrammable tenant’s relay activation codeProgrammable Master entry code & Maintenance Personnel entry codesProgrammable call timerNormally open and normally closed relay contacts for controlling door strikes, magnetic locks, gates, etc.Touch Tone toll restrictionAllows 911 and 311 outside calls (Programmable)LOG BUS data output for logging entry events