
Valcom Four Door Answering Device-Activate Door Locks
(Model # V-2904)


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Features:
- Compativle with PABX, E-Key and 1A2 telephone systems
- Switch selectable-loop or ground start access
- Provides handsfree talkback to four separate locations
- RJ11 modular connector for Tip and Ring connections
- Power ON LED
- Provides contacts for up to four circuits
- Programmable options:
- Programming access code
- Ring pattern
- Station identification
- Activate lock relay
- Duration of lock relay activation
- Time door can remain open after unlock(exit delay time)
- Entry delay time
- Number of ring cycles
- Disable station alarm
- Alarm disable code
- Station alert tone
- Input for manual door unlock(push-button)
- Built-in 30Hz ring voltage generator with on/off switch
- Ringback tone to speaker
- Calls can be placed On Hold
- Call waiting
- One-way all call with volume control
- Background music input with volume control
- Speaker to phone volume control
- Phone to speaker volume control
- Simultaneous calls placed in queue
- Dial tone
- Confirmation tone
- Compatible with tone dial phones
- Works with Valcom V-1072A doorplate speaker or other Valcom one-way or talkback speakers
- Compatible with VPB-260 battery backup