Please refer to the Yealink Power Consumption guide for questions regarding PoE on Yealink phones:


http://www.yealink.com/Upload/document/YealinkPowerConsumptionTable(20110518)/YealinkPowerConsumptionTable(20110518)-21123017007.pdf


For non-POE power supplies, to following power requirements must be met:


T-48 - Power adapter: AC 100~240V input and DC 5V/2A output 

T-46 - Power adapter: AC 100~240V input and DC 5V/2A output 

T-38 - Power adapter: AC 100~240V input and DC 5V/2A output 

T-32 - Power adapter: AC 100~240V input and DC 5V/2A output 


T-42 - Power adapter: AC 100~240V input and DC 5V/1.2A output

T-41 - Power adapter: AC 100~240V input and DC 5V/1.2A output

T-28 - Power adapter: AC 100~240V input and DC 5V/1.2A output

T-26 - Power adapter: AC 100~240V input and DC 5V/1.2A output

T-22 - Power adapter: AC 100~240V input and DC 5V/1.2A Output

T-20 - Power adapter: AC 100~240V input and DC 5V/1.2A Output


T-21 - Power adapter: AC 100~240V input and DC 5V/600mA Output

T-19 - Power adapter: AC 100~240V input and DC 5V/600mA Output