Mikrotik POE

[Yealink Support]

Hi schmerold，

Yealink phones are IEEE 802.3af compatible device.
[Standards of POE]
Yealink POE standards for the main power supply characteristic parameters of the power supply system:
1. The voltage between 44 ~ 57 V, typical values is 48 V.
2. Allow the maximum current 550 mA; the biggest starting current is 500 mA.
3. The typical working current is 10 ~ 350 mA, the overload test current is 350~500 mA.
4. The biggest current is 5 mA in condition of no load.