- Four door answering device - For use on up to 4 doors - Push a button to initiate two-way communication from the door speaker to telephone then dial a programmable code to unlock the door - Activates door locks - Door unlock contact closure (strikeplate required) - Alarm functions - Transmit and receive volume control - Backgroundmusic input with volume control - Built-in ringgenerator with on/off switch - 3 Distinctive ring patterns - Programmable options include door unlock codes number of ring cycles before door request is terminated time the door remains unlocked (per door) - Places simultaneous calls in queue - Requires -24 Vdc 600 mA (filtered) 10 Vac lamp - Access: PBX loop start trunk port electronic or 1A2 line key (line card required) or dedicated single line phone set - Input impedance: 600 ohm - Ouput impedance: 45 ohm - Music level:-10dBm nominal - Music input 4 to 600 ohms - Power requirement: -24 Vdc 600 mA - Weight 4.8lbs - Dimensions: 8.6inchH x 11inchW x 2.3inchD - VALCOMPOWER UNITS (-12)
