The 685 is truly the ultimate in digital communications. A receiver so versatile, it can make a dramatic difference in the overall central station efficiency, the moment you put it to work.

• Accepts transmissions in ADEMCO (low speed/high speed/4+2 express/sensor ID), Sescoa and Radionics formats
• Accepts 10, 20, 40 pulse per second and 10 DTMF char/sec data transmissions
• Double message or single message check sum verification
• Stores up to 113 messages for subsequent display during heavy traffic or "trouble" periods
• Display lights for burglary, fire, holdup, restore, test, openings, closings, low battery- triggered by incoming signal
• Display lights indicate AC failure, low battery, telephone line fault, printer failure-at receiver
• Three or four digit account number
• Features built-in connectors for serial printer, parallel printer and modem

• Built-in RS232 computer inter-face; total supervision of connection to computer and message transfer using "ACK," "NAK" and interrogation signals.
• Built-in battery charger for uninterrupted long-term operation
• Displays time and date in either civilian or military modes, and in either U.S. or European style
• If a second alarm is received within 10 seconds of original alarm, built-in buzzer will NOT resound after being silenced
• Modular design for easy rack and desk mounting, optional cabinet (68SCX) available for desk mounting
• Compatible with audio and video alarm verification systems from ADEMCO
• Total time between acknowledgement and kiss-off under five seconds with ADEMCO high-speed/express/contact ID formats
• Transmissions converted into plain English
• Built-in table of 27 messages related to fire, burglary and restore
• Built-in test and diagnostics of phone lines
• Automatic reporting of phone line failure to host computer and printer
• Battery test feature with automatic status reporting
• Domestic and international agency approval: