1. Product Overview
The Asia-Teco B12-B is a 12V wired doorbell designed for integration with access control systems. It provides a clear 'ding-dong' chord ring tone and is suitable for various environments such as homes, hotels, and offices. This doorbell operates without the need for internal batteries, drawing its power directly from the connected access control system.
Key features of the B12-B doorbell, including chord ring tone, high-quality chip, fire retardant material, and convenient installation.
2. Specifications
| Feature | Detail |
|---|---|
| Model Number | B12-B |
| Brand Name | Asia-Teco |
| Type | Doorbells (Wired) |
| Power Source | DC 12V |
| Working Current | 20mA |
| Working Ambient Temperature | -10 ℃ to 45 ℃ |
| Working Relative Humidity | 40% RH to 90% RH |
| Product Color | White and spray silver |
| Material | ABS plastic (anti-oxidation, anti-discoloration) |
| Overall Size (L x W x H) | 85 mm x 85 mm x 24 mm (3.39 in x 3.39 in x 0.98 in) |
| Origin | Mainland China |
| Certification | None |
Physical dimensions of the B12-B doorbell.
3. Installation (Setup)
The Asia-Teco B12-B doorbell is designed for easy installation as part of a 12V access control system. It requires a 4-core wire connection.
Mounting Options:
- Wall Hanging: Use appropriate screws and anchors (not included) to secure the doorbell to a wall.
- Double-Sided Adhesive Paste: For smooth surfaces, strong double-sided adhesive tape (not included) can be used. Ensure the surface is clean and dry before application.
Wiring Instructions:
The doorbell connects to your access control system using a 4-core wire. Refer to the wiring diagram below for proper connections. Ensure all power is disconnected before attempting any wiring.
Detailed wiring diagram showing connections between the doorbell, access controller, electric lock, exit button, and power adapter.
- Identify the BELL+ and BELL- terminals on your access controller.
- Connect the corresponding wires from the doorbell to these terminals.
- Ensure all connections are secure and insulated.
- Once wiring is complete, restore power to the access control system.
Caution: Incorrect wiring can damage the doorbell or the access control system. If you are unsure, consult a qualified electrician or security system professional.
4. Operating Instructions
The Asia-Teco B12-B doorbell operates in conjunction with your access control system. When a visitor presses the doorbell button (typically integrated into the access control panel or a separate button connected to it), the doorbell will emit a clear 'ding-dong' chord ring tone.
- Sound Output: The doorbell produces a clear and loud 'ding-dong' sound.
- Power: The doorbell is powered by the 12V DC supply from your access control system, requiring no separate batteries.
5. Maintenance
The Asia-Teco B12-B doorbell is constructed from durable ABS plastic, designed to be anti-oxidation and resistant to discoloration, ensuring long-lasting performance with minimal maintenance.
- Cleaning: To clean the doorbell, gently wipe the surface with a soft, dry cloth. For stubborn dirt, a slightly damp cloth can be used, followed by drying. Avoid using abrasive cleaners, solvents, or harsh chemicals, as these may damage the plastic finish.
- Inspection: Periodically check the wiring connections to ensure they remain secure and free from corrosion.
6. Troubleshooting
If you encounter issues with your Asia-Teco B12-B doorbell, please refer to the following common troubleshooting steps:
- No Sound:
- Check if the access control system is powered on.
- Verify all wiring connections (BELL+, BELL-) are secure and correctly connected according to the wiring diagram in Section 3.
- Ensure the doorbell button connected to the access control system is functioning correctly.
- Confirm the doorbell itself is receiving 12V DC power.
- Intermittent Sound:
- Inspect wiring for loose connections or damaged insulation.
- Check for any interference with the doorbell's internal components.
- Distorted Sound:
- Ensure the doorbell speaker grille is clear of obstructions.
- Verify the power supply is stable and within the 12V DC specification.
If the problem persists after performing these checks, contact your access control system installer or a qualified technician for further assistance.
7. User Tips
While no specific user reviews or Q&A were available for direct tips, here are some general recommendations for optimal use:
- Optimal Placement: Install the doorbell in a location where its sound can be clearly heard throughout the intended area (e.g., near a reception desk in a hotel, or a central hallway in a home).
- System Compatibility: Always ensure that the doorbell's 12V DC requirement is compatible with your existing access control system's output.
- Professional Installation: For complex access control setups, consider professional installation to ensure correct wiring and optimal performance.
8. Warranty and Support
For specific warranty information regarding your Asia-Teco B12-B wired doorbell, please refer to the documentation provided at the time of purchase or contact the seller directly. Asia-Teco is committed to providing quality products and customer satisfaction.
For technical support or inquiries, please reach out to your point of purchase or the official Asia-Teco support channels if available.