Telephone Power Adapters
Learn more about telephone power adapters and how you can obtain one to power your phone.
Written by Adrian Angwenyi
Updated at April 6th, 2023
Table of Contents
What is a Telephone Power Adapter?
When a phone is not connected to a network outlet that provides Power over Ethernet (PoE), a separate power supply is required for the telephone to operate.
Quick Tip: Power supplies are available for purchase from our online web store and are located under the "Phone Accessories" category. SpectrumVoIP Store - Phone Accessories
As an alternative, they are can be found at most large online retail outlets by searching for the manufacturers part number listed below.
Yealink Telephones
The telephone model can be found on a sticker located on the bottom of the phone. Match it against the list below to ensure the correct power supply is ordered.
Most Yealink phones are powered by one these three types of power adapters:
| MFG Part # | Voltage/Amp | SpectrumVoIP Store |
| YEA-PS5V600US | 5Vdc 600ma | unavailable |
| YEA-PS5V1200US | 5Vdc 1200ma | Direct Web Store Link |
| YEA-PS5V2000US | 5Vdc 2000ma | Direct Web Store Link |
✔ The larger power supplies will work on phones with lower power requirements.
For example, PS5V2000US will work for phones requiring either 2000ma, 1200ma, or 600ma.
SIP-T58A w/ Camera |
2000ma |
SIP-T58A no camera |
2000ma |
T56A |
2000ma |
T57W |
2000ma |
T54W |
2000ma |
T53 |
2000ma |
T54S |
2000ma |
T52S |
2000ma |
T49G |
2000ma |
T48A |
2000ma |
T48G |
2000ma |
T46S |
2000ma |
T46G |
2000ma |
T42S |
1200ma |
T42G |
1200ma |
T41S |
1200ma |
T41P |
1200ma |
T29G |
2000ma |
T27G |
1200ma |
T23G |
600ma |
T23P |
600ma |
T21P |
600ma |
T19P |
600ma |
Note: The voltage of all adapters listed are 5Vdc