Introduction
When setting up a Yealink CP925 IP phone, one of the most crucial factors to consider is the Yealink CP925 power supply. Whether you’re setting up a new office phone system or replacing an old device, understanding the power requirements and compatibility options can help ensure your device works smoothly and reliably.
This guide will walk you through everything you need to know about the Yealink CP925 power supply, its various options, and the best solutions for keeping your device powered up. By the end, you’ll be equipped with the knowledge to make informed decisions about powering your Yealink CP925 phone.
So, let’s dive in!
Table of Contents
- Introduction
- What is the Yealink CP925?
- Yealink CP925 Power Requirements
- Understanding Yealink CP925 Power Options
- Yealink CP925 Power Supply Compatibility
- Yealink CP925 Power Adapter: Choosing the Right One
- Yealink CP925 Power Supply Review
- Common Yealink CP925 Power Issues
- How to Set Up Yealink CP925 Power Supply
- Yealink CP925 Charger Options
- Yealink CP925 Voltage Specifications
- Yealink CP925 Power Solutions for Troubleshooting
- Conclusion and Final Thoughts
- FAQS
What is the Yealink CP925?
Before we dive into the specifics of the Yealink CP925 power supply, it’s important to know what the Yealink CP925 is. The Yealink CP925 is an advanced, feature-packed IP phone designed for businesses that require a reliable communication solution. With a 4.3-inch color touchscreen and crystal-clear audio, it’s an excellent choice for those who need a high-quality office phone.
The device integrates well with modern VoIP systems and offers a user-friendly interface for easy navigation. But to keep it running smoothly, proper power management is essential.
Yealink CP925 Power Requirements
When using any device, understanding its power requirements is the first step in ensuring it works correctly. The Yealink CP925 power requirements are straightforward but essential to know. This device typically operates with an input voltage of 5V DC and a current of 1.2A. This means you need to ensure that the power adapter you use matches these specifications.
If you’re replacing a faulty adapter or buying one for the first time, it’s critical to check the compatibility of the power source with these requirements. Using a wrong power supply can lead to malfunctioning or permanent damage to your phone.
Understanding Yealink CP925 Power Options
When it comes to powering your Yealink CP925, you have several power options to choose from:
- Power Adapter: The most common option, a direct adapter connected to a power outlet.
- Power over Ethernet (PoE): An alternative solution where the phone gets power through the same Ethernet cable used for data transmission.
PoE is highly convenient as it eliminates the need for a separate power cord, helping to streamline your office setup. However, for PoE to work, your network switch must support it.
Yealink CP925 Power Supply Compatibility
One of the key factors when considering a power supply is its compatibility with your device. The Yealink CP925 power supply is designed to be compatible with the phone’s requirements, but compatibility can vary depending on the power source you choose.
If you are using a power adapter, be sure to get one that meets the voltage and current ratings mentioned earlier (5V DC, 1.2A). If you’re opting for a PoE solution, confirm that your router or switch supports PoE functionality, otherwise, the phone will not power up.
Yealink CP925 Power Adapter: Choosing the Right One
Choosing the right Yealink CP925 power adapter is crucial. Not all adapters are created equal, and selecting the wrong one can cause power issues, leading to device failure or inefficiency. When selecting an adapter for your Yealink CP925, look for one that:
- Outputs 5V DC with at least 1.2A of current.
- Is certified for use with Yealink devices.
- Comes with appropriate safety features, such as overcurrent and overvoltage protection.
It’s worth investing in an official Yealink adapter or one from a trusted brand to avoid complications.

Yealink CP925 Power Supply Review
The Yealink CP925 power supply has earned a solid reputation for being reliable and efficient. Users have reported minimal issues with its standard power adapters and PoE capabilities. The setup process is straightforward, whether you’re using a direct adapter or PoE, and the phone runs reliably throughout the day.
However, some users have encountered occasional power issues, typically related to compatibility with third-party adapters or PoE setups. These issues are usually easy to resolve by ensuring all components are correctly matched and properly installed.

Common Yealink CP925 Power Issues
Though rare, some Yealink CP925 power issues can arise, including:
- Power Failure: If the phone isn’t powering on, check whether the power adapter is functioning correctly or if there’s an issue with the Ethernet cable or switch when using PoE.
- Low Power Mode: Sometimes, the phone may not charge properly or may enter a low power state if the power supply isn’t providing enough current.
These problems are typically easy to troubleshoot by checking the power connections and ensuring that the power adapter meets the required specifications.
How to Set Up Yealink CP925 Power Supply
Setting up the Yealink CP925 power supply is simple. If you’re using a Yealink CP925 power adapter, simply plug the adapter into the device and the power source. For PoE, connect the phone to a compatible network switch, and the device will receive both power and data over a single cable.
Make sure to use high-quality cables and check for any loose connections. If using PoE, confirm that the switch supports the necessary power output.
Yealink CP925 Charger Options
While the Yealink CP925 is typically powered via an adapter or PoE, Yealink CP925 charger options are available for specific use cases, such as portable charging. If you need to charge the phone on the go, consider a portable power bank that supports USB-C charging, ensuring it meets the device’s power requirements.
Yealink CP925 Voltage Specifications
The Yealink CP925 voltage specifications are straightforward. As mentioned earlier, the phone operates on 5V DC and requires at least 1.2A of current. Ensure that the power supply you’re using adheres to these specifications to avoid potential damage to the device.
Yealink CP925 Power Solutions for Troubleshooting
If you encounter issues with the power supply, here are a few Yealink CP925 power solutions to try:
- Check the Adapter: Make sure the adapter is plugged in properly and is providing the required voltage and current.
- Verify PoE Connection: If using PoE, ensure that your network switch supports it and that the Ethernet cable is securely connected.
- Replace the Adapter or Cable: If the power issues persist, consider replacing the power adapter or Ethernet cable.
Most power issues can be easily solved with a simple troubleshooting process.
Conclusion and Final Thoughts
In conclusion, the Yealink CP925 power supply is a reliable and efficient solution to keep your Yealink CP925 phone running smoothly. Whether you choose a traditional power adapter or opt for PoE, it’s crucial to ensure compatibility and follow the setup instructions to avoid any potential power issues.
If you’re looking to buy a Yealink CP925 or accessories, check out the available IP phone options on Promallshop.
Frequently Asked Questions (FAQs)
The best power source depends on your setup. If you prefer a direct connection, a power adapter that provides 5V DC and 1.2A is ideal. For a more streamlined setup, Power over Ethernet (PoE) is a great choice.
Check the power supply connections and make sure you're using the correct adapter or Ethernet cable. If the issue persists, try replacing the power source or contact technical support.
While third-party adapters can work, it's recommended to use a Yealink-certified adapter to ensure optimal performance and avoid potential damage.
PoE (Power over Ethernet) allows the Yealink CP925 to receive both power and data over a single Ethernet cable, simplifying the setup process. Ensure your network switch supports PoE.
Simply connect the power adapter to the device or use a PoE-compatible network switch. Ensure that all connections are secure and that the power supply meets the required specifications.
For more insights and updates on Yealink CP925 and other related devices, explore more articles on Promallshop Blog.