Table of Contents

Yealink Power Poe Requirements And Consumption

All Yealink phones can be powered via PoE or through power cords. They support 802.3af for PoE, and have various powercord strengths for different models.

Details

New Models

Model Power Supply PoE 802.3af Class
Standby Typical Max Standby Typical Max
T40P 1.0 1.1 1.3 1.4 n/a 3.2 Class 2
T41S 1.3 1.9 3.0 1.7 2.5 3.8 Class 2
T42S 1.7 2.2 3.2 2.5 3.1 4.7 Class 2
T46S 1.9 2.5 4.0 2.7 3.4 5.5 Class 3
T48S 2.2 3.5 4.9 3.2 5.4 7.5 Class 3
T54W 1.7 3.0 4.3 2.2 3.9 5.5 Class 3

Old Models

PoE Classifications

IEEE Class Minimum Required at Power On Maximum Required during Use
0 15.4W 0.44 to 12.95W
1 4.0W 0.44 to 3.84W
2 7.0W 3.84 to 6.49W
3 15.4W 6.49 to 12.95W