Description
Need reliable hands-free visitor communication and secure door or gate control without ripping out walls or rewiring? The Algo 3226 Trunk Port FXO Doorphone delivers exactly that. This proven analog intercom kit rings straight into your existing phone system, gives crystal-clear two-way audio even in noisy areas, and lets you unlock entrances with a simple keypress – all while keeping the access relay safely inside.
Perfect for small businesses, schools, medical facilities, warehouses, and any place where quick, professional visitor entry matters.
The Telecom Spot Expert Take: In our experience helping IT teams and facilities managers upgrade legacy intercoms, the Algo 3226 stands out for its rock-solid reliability and simple integration. The separate controller hides the powerful relay from tampering, while the weatherproof stainless steel station handles rain, snow, and temperature swings with ease. Full-duplex digital audio sounds noticeably clearer than older analog systems, and the 1,000-foot wiring range makes it ideal for gates far from the building. If you want secure access control that just works with your current phone lines – without expensive VoIP upgrades or complicated apps – this is the solution your team will thank you for installing.
Key Features
- Hands-free visitor communication – Full-duplex digital audio with echo cancellation and noise reduction means clear conversations even in noisy outdoor areas.
- Secure door/gate control – 30V 1A relay (normally open or closed) activates by simple DTMF code from any phone; relay stays safely inside the indoor controller.
- Weatherproof stainless steel station – NEMA 3R rated for outdoor use in rain, snow, or heat; backlit call button visible day or night.
- Easy analog integration – Plugs into any FXO trunk port, gateway, or analog phone – works with your existing PBX without new infrastructure.
- Long wiring runs – Single-pair 24-gauge twisted pair up to 1,000 ft means you can reach distant gates without expensive new cabling.
- Flexible power & alerts – 24V power supply included; auxiliary inputs/outputs for door sensors, strobes, ringers, or existing doorbells.
- Simple setup & programming – Configurable via DTMF tones or USB; supervised link monitors the station for faults so you stay online.
Technical Specifications
| Specification | Details |
|---|---|
| Telephone Interface | FXO analog trunk port or analog telephone |
| Door Control Relay | 30V 1A, normally open/closed (Form C) |
| Auxiliary Power for Strike | 24V DC, current-limited to 300 mA |
| Wiring Distance | Up to 1,000 ft (305 m) on 24 AWG twisted pair |
| Power Supply | 24V included (international 110/220V) |
| Door Station Dimensions | 4.5” x 4.5” x 1.2” (115 x 115 x 31 mm) |
| Controller Dimensions | 5.6” x 6.9” x 1.6” (142 x 175 x 41 mm) |
| Operating Temp (Station) | -22°F to 140°F (-30°C to 60°C) |
| Operating Temp (Controller) | 32°F to 104°F (0°C to 40°C) |
| Weather Rating | NEMA 3R outdoor rated |
| Certifications | UL/CSA, FCC, CE, EN60950-1 |
| Call Button | Backlit tactile silicon rubber |