UPBRIGHT CenturyLink Zyxel C3000Z 12V 2A Power
UpBright 12V AC/DC Adapter User Manual
Compatible with CenturyLink Zyxel C3000Z Wireless WiFi Modem Router
1. Introduction
This manual provides essential instructions for the safe and effective use of your UpBright 12V AC/DC Adapter. This power supply is designed to provide stable 12V DC power to compatible devices, specifically the CenturyLink Zyxel C3000Z Wireless WiFi Modem Router and UMEC UP0251M-12PA power supplies.
Please read this manual thoroughly before using the adapter and retain it for future reference.
2. Safety Information
To ensure safe operation and prevent damage, observe the following precautions:
- Input Voltage: This adapter supports a worldwide input voltage range of 100-240VAC, 50/60Hz. Ensure your wall outlet voltage is within this range.
- Protection Features: The adapter is equipped with OVP (Over Voltage Output Protection), OCP (Over Current Output Protection), and SCP (Short Circuit Output Protection) to safeguard your devices.
- Proper Connection: Always connect the adapter to the device first, then plug it into the wall outlet. Disconnect from the wall outlet before unplugging from the device.
- Avoid Moisture: Do not expose the adapter to water, rain, or excessive humidity.
- Ventilation: Ensure adequate ventilation around the adapter during use. Do not cover it or place it in an enclosed space.
- Damage: Do not use the adapter if the cord or plug is damaged. Contact support for replacement.

Image Description: This image displays a cutaway view of the UpBright AC/DC adapter, highlighting its internal components and various safety features. Icons and text indicate protections such as good heat resistance, fire-retardant materials, and safeguards against overcharge, overvoltage, overheat, and overcurrent. A checkmark shield icon signifies overall security protection.
3. Package Contents
Your UpBright 12V AC/DC Adapter package includes:
- 1 x UpBright 12V AC/DC Adapter
4. Setup Instructions
Follow these steps to connect your UpBright 12V AC/DC Adapter to your CenturyLink Zyxel C3000Z Modem Router:
- Identify the Adapter: Locate the UpBright 12V AC/DC Adapter. It features a standard US two-prong plug on one end and a barrel connector on the other.
- Locate the Power Port: On your CenturyLink Zyxel C3000Z Modem Router, identify the DC power input port. This is typically a circular port labeled 'DC IN' or with a power symbol.
- Connect the Barrel Connector: Carefully insert the barrel connector of the UpBright adapter into the power input port of your modem router. Ensure it is fully and securely seated. Note: Some users have reported issues with the barrel connector length. Ensure a firm fit. If the connector does not fit securely, do not force it.
- Plug into Power Outlet: Insert the two-prong plug of the adapter into a standard 100-240VAC wall outlet.
- Verify Power: Once connected, your modem router should power on, indicated by its power indicator lights.

Image Description: This image shows the UpBright 12V AC/DC adapter. The main body of the adapter, which plugs into a wall outlet, is black and rectangular. A black power cord extends from it, terminating in a barrel connector. The cord is neatly coiled and secured.

Image Description: This image displays two views of the CenturyLink Zyxel C3000Z Modem Router, a black rectangular device with ventilation slots and indicator lights. The image emphasizes that the UpBright AC Adapter is compatible with this specific modem model, which is shown without the adapter connected.

Image Description: A close-up shot of the barrel connector, which is the output plug of the UpBright AC/DC adapter. This image highlights the physical dimensions and design of the connector that plugs into the device's power port.
5. Operating Instructions
The UpBright 12V AC/DC Adapter operates automatically once properly connected. It provides continuous power to your compatible device. No user intervention is required during operation.
6. Care and Maintenance
To ensure the longevity and optimal performance of your adapter:
- Cleaning: Disconnect the adapter from the power outlet and device 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 extreme temperatures.
- Cable Care: Avoid bending or crimping the power cord excessively. Do not place heavy objects on the cord.
7. Troubleshooting
If you encounter issues with your UpBright 12V AC/DC Adapter, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Device not powering on | Adapter not properly connected Wall outlet not functioning Device fault | Ensure the barrel connector is fully inserted into the device and the adapter is firmly plugged into the wall outlet. Try a different wall outlet. Test the device with its original power supply if available. |
| Adapter feels hot | Normal operation Poor ventilation Overload | A slight warmth is normal. Ensure the adapter has adequate airflow and is not covered. If it's excessively hot, disconnect immediately and contact support. |
| Barrel connector does not fit securely | Incompatibility with specific device port design | Verify the exact model number of your device against the adapter's compatibility list. If the fit is loose or incorrect, do not force it. Contact the seller or UpBright support for assistance. |
8. Specifications
| Feature | Detail |
|---|---|
| Input Voltage | 100-240VAC, 50/60Hz |
| Output Voltage | 12V DC |
| Output Current | 2A (2000mA) |
| Wattage | 24W |
| Connector Type | Barrel Connector |
| Protection Features | OVP, OCP, SCP (Over Voltage, Over Current, Short Circuit Protection) |
| Compatible Devices | CenturyLink Zyxel C3000Z Router, UMEC UP0251M-12PA Power Supply |
| Product Dimensions | 4 x 3 x 2 inches |
| Item Weight | 4 ounces |
9. Warranty and Support
UpBright products are designed for reliability and performance. Your UpBright 12V AC/DC Adapter comes with the following:
- Refund Policy: 30 days refund period from the date of purchase.
- Exchange Policy: 24 months exchange warranty for manufacturing defects.
For warranty claims, technical support, or any inquiries, please contact your retailer or UpBright customer service directly. Please have your purchase details and product model number ready.

Image Description: This image displays three different international outlet adapters (AU, EU, UK) and a document titled 'UpBright Limited Warranty Certificate' next to a gold 'Product Warranty' seal. This illustrates the potential for international compatibility and the included warranty information.
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