Doorking 1837-090 Telephone Entry System

DoorKing 1837 90 Series Telephone Entry System

The 90 Series housing offers a streamlined look, has enhanced locking and weather sealing and provides easy internal installation of optional components such as an LCD heater and TCP/IP adapter for direct internet connections. This systems stores up to 3000 phone numbers. Best suited for applications requiring control of a single door or gate and in applications where card readers or other expansion options are not required.

Features

• True Full Duplex communication.
• Stores up to 3000 telephone numbers and names.
• Transaction buffer stores last 8000 events.
• Stores up to 8000 device (card) codes.
• 31 Security (permission) Levels, 29 programmable with 4 time zones each.
• 8 hold open time zones.
• Three anti-pass back configurations: passive, active and trap.
• Elevator control (note 1) for up to 8 elevators, each serving 64 floors.
• Expandable (note 2) to control up to 48 entry points.
• 4-digit entry codes, one for each telephone number.
• 3 form "C" dry contact relays.
• Eight-line directory display uses super-twist LCD with 1/2-inch characters.
• EEPROM memory chip.
• 16 VAC, 20 VA and 16 VAC, 50 VA power transformers supplied.
• Compliant with UL 294. ETL listed.
• Dimensions 14.75" (375 mm) H x 12.75" (324 mm) W x 3.75" (95 mm) D.
• Protective trims shown in some of pictures are sold separately