Power adapter for Yealink SIP-T27P T41P T42G T42U T53/T53W, 5V DC 1.2A

Replacement power adapter compatible with Yealink SIP-T27P, T41P, T42G, T42U and T53/T53W desk phones. This external power supply provides a 5V DC output at 1.2A, matching the voltage and current required by the listed Yealink models when an external adapter is used. The adapter has a compact rectangular housing suitable for desktop placement and delivers stable power to ensure consistent operation of the IP phones.

Advantages

The adapter supplies a regulated 5V DC output at 1.2A to meet the power requirements of supported Yealink phones, reducing the risk of undervoltage or instability. Its compact design saves desk space and simplifies cable routing. Built to provide steady output under typical office loads, the unit helps maintain reliable call connectivity and phone features. The product is a direct-replacement style adapter intended to integrate with the original power input of the specified phone models.

Suitable for

• Powering Yealink SIP-T27P desk phones
• Powering Yealink SIP-T41P desk phones
• Powering Yealink SIP-T42G and T42U desk phones
• Powering Yealink T53 and T53W desk phones requiring external 5V supply
• Replacing a lost or faulty external power supply for the listed models

Key specifications

• Output voltage: 5 V DC
• Output current: 1.2 A
• Output power: 6 W (nominal)
• Connector type: barrel DC plug compatible with specified Yealink phones
• Physical form factor: compact external desktop adapter
• Intended ambient use: indoor office/desk environments

How to use

Connect the barrel DC plug of the adapter into the power input jack on the rear of the Yealink phone model listed. Plug the mains end into a suitable AC outlet that matches the adapter input specification. Ensure the phone is powered off before connection if possible; after connecting, power on the phone and verify normal boot and feature operation. If the phone supports Power over Ethernet (PoE) and is currently PoE-powered, disconnect PoE first if you intend to use the external adapter instead.

Usage recommendations

Use the adapter with the specified Yealink models only and avoid exposure to liquids, extreme temperatures, or prolonged direct sunlight. Inspect the cable and connector for damage before use and replace the adapter if any wear, fraying, or abnormal heat is observed. For best performance, plug the adapter into a surge-protected outlet and avoid daisy-chaining multiple power strips.