Valcom V-2904 4 Door Answering Device Activates Door Locks Four Zone/Talkback Door Entry

- 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: 8.6"H x 11"W x 2.3"D
- VALCOMPOWER UNITS (-12)