1. Product Overview
This GT POWER AC Adapter (Model 307) is designed to provide reliable power to compatible Binary HDMI Splitters. It features a threaded locking power supply connector for secure attachment and a 48-inch heavy-duty power cable. The adapter supports a wide input voltage range of 100-240VAC, 50/60Hz, making it suitable for international use.
Key protective features include:
- OVP (Over Voltage Protection): Safeguards connected devices from excessive voltage.
- OCP (Over Current Protection): Prevents damage from overcurrent conditions.
- SCP (Short Circuit Protection): Protects against short circuits, ensuring safe operation.

Image 1.1: The GT POWER AC Adapter, showing the main unit and the threaded locking DC output connector.
2. Safety Information
Please read and understand all safety instructions before using this product. Failure to follow these instructions may result in electric shock, fire, or damage to the product or connected devices.
- Use this adapter only with devices specified as compatible.
- Ensure the adapter's voltage and current ratings match the requirements of your device.
- Do not expose the adapter to water, moisture, or extreme temperatures.
- Do not disassemble or attempt to repair the adapter. Refer servicing to qualified personnel.
- Keep the adapter away from children.
- Unplug the adapter from the power outlet when not in use for extended periods.
- Ensure proper ventilation around the adapter during operation.
3. Package Contents
The package includes:
- 1 x GT POWER AC/DC Power Adapter (Model 307) with integrated 48-inch heavy-duty power cable and threaded locking DC connector.
4. Setup Instructions
- Verify Compatibility: Ensure your Binary HDMI Splitter (e.g., B-240-HDSWTCH-5x1, B-260-444-HDR-SP12SA, B-260-444-HDR-SP14, B-260-444-HDR-SP18) requires a 12V DC power input and is compatible with a threaded locking connector.
- Connect DC Output: Locate the DC power input port on your Binary HDMI Splitter. Insert the threaded locking DC connector from the GT POWER adapter into this port. Gently twist the threaded collar clockwise until it is finger-tight to secure the connection.
- Connect AC Input: Plug the AC prongs of the GT POWER adapter into a standard wall power outlet (100-240VAC, 50/60Hz).
- Power On: Once both connections are secure, your Binary HDMI Splitter should receive power. Refer to your splitter's manual for specific power-on procedures.

Image 4.1: Close-up view of the threaded locking DC connector, designed for a secure power connection.

Image 4.2: The GT POWER AC Adapter with its AC prongs ready for connection to a wall outlet.
5. Operating Instructions
The GT POWER AC Adapter operates automatically once connected to a power source and a compatible device. It provides a stable 12V DC output. There are no user-adjustable settings on the adapter itself.
- Ensure the adapter is always connected to a properly grounded power outlet.
- Avoid placing the adapter in enclosed spaces where heat can build up.
- Do not pull the cable to disconnect the adapter from the wall outlet; always grasp the adapter body.
6. Maintenance
The GT POWER AC Adapter requires minimal maintenance.
- Cleaning: Disconnect the adapter from all power sources before cleaning. Use a soft, dry cloth to wipe the exterior. Do not use liquid cleaners or solvents.
- Storage: When not in use, store the adapter in a cool, dry place, away from direct sunlight and moisture. Avoid tightly coiling the cable to prevent damage.
- Inspection: Periodically inspect the power cable and adapter housing for any signs of damage, such as cuts, fraying, or cracks. If damage is found, discontinue use and replace the adapter.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power to device. | Adapter not plugged in. Loose DC connector. Power outlet malfunction. Damaged adapter. | Ensure AC adapter is fully plugged into a live wall outlet. Securely tighten the threaded DC connector to the device. Test the outlet with another device. Discontinue use and replace the adapter if damaged. |
| Device not functioning correctly after connecting adapter. | Incorrect adapter used. Device malfunction. | Verify the adapter's output voltage (12V DC) and connector type match your device's requirements. Consult your device's manual or manufacturer for further troubleshooting. |
| Adapter feels excessively hot. | Poor ventilation. Overload. Internal fault. | Ensure the adapter is in a well-ventilated area. Verify the connected device's power requirements do not exceed the adapter's capacity. Discontinue use immediately and replace the adapter. |
8. Specifications
| Brand | GT POWER |
| Model Number | 307 |
| Input Voltage | 100-240VAC, 50/60Hz |
| Output Voltage | 12 Volts (DC) |
| Connector Type | Threaded Locking DC Connector |
| Cable Length | 48 inches (approx. 1.2 meters) |
| Special Features | OVP, OCP, SCP Protection |
| Compatible Devices | Binary B-240-HDSWTCH-5x1, B-260-444-HDR-SP12SA, B-260-444-HDR-SP14, B-260-444-HDR-SP18 HDMI Splitters |
| UPC | 800185029601 |
9. Warranty and Support
This GT POWER AC Adapter comes with a One Year Warranty from the date of purchase. Additionally, a 30 Days Money Back Guarantee is offered.
For technical support, warranty claims, or further assistance, please contact GT POWER customer service through your retailer or the official GT POWER support channels.
Please retain your proof of purchase for warranty purposes.





