{"product_id":"door-answer-device-4door","title":"Door Answer Device -4Door","description":"\u003cp\u003e- Four door answering device \u003cbr\u003e- For use on up to 4 doors\u003cbr\u003e- Push a button to initiate two-way communication from the door speaker to telephone, then dial a programmable code to unlock the door\u003cbr\u003e- Activates door locks\u003cbr\u003e- Door unlock contact closure (strikeplate required)\u003cbr\u003e- Alarm functions\u003cbr\u003e- Transmit and receive volume control\u003cbr\u003e- Backgroundmusic input with volume control\u003cbr\u003e- Built-in ringgenerator with on\/off switch\u003cbr\u003e- 3 Distinctive ring patterns\u003cbr\u003e- Programmable options include door unlock codes, number of ring cycles before door request is terminated, time the door remains unlocked (per door)\u003cbr\u003e- Places simultaneous calls in queue\u003cbr\u003e- Requires -24 Vdc, 600 mA (filtered) 10 Vac lamp\u003cbr\u003e- Access: PBX loop start trunk port, electronic or 1A2 line key (line card required), or dedicated single line phone set\u003cbr\u003e- Input impedance: 600 ohm\u003cbr\u003e- Ouput impedance: 45 ohm\u003cbr\u003e- Music level:-10dBm nominal\u003cbr\u003e- Music input 4 to 600 ohms\u003cbr\u003e- Power requirement: -24 Vdc, 600 mA\u003cbr\u003e- Weight 4.8lbs\u003cbr\u003e- Dimensions: 8.6\"H x 11\"W x 2.3\"D\u003cbr\u003e- VALCOMPOWER UNITS (-12)\n\u003cbr\u003eUPC: VC-V-2904\n\u003cbr\u003eManufacturer: VALCOM\n\u003cbr\u003ePartNumber: VC-V-2904\u003c\/p\u003e","brand":"VALCOM","offers":[{"title":"Default Title","offer_id":42564468408416,"sku":"VC-V-2904","price":745.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/2462\/2944\/files\/VC-V-2904image1.jpg?v=1770439937","url":"https:\/\/supplycentralstore.com\/products\/door-answer-device-4door","provider":"supplycentralstore2025","version":"1.0","type":"link"}