PoE per port ON/OFF setting

We can use i2c tool to set per port on/off of PoE feature

• Install I2C-tools

# install i2c-tools 
sudo apt-get install i2c-tools

• use i2ctransfer to set per port on/off

# PSE port1 on
sudo i2ctransfer -f -y 1 w2@0x66 0x10 0x05 
# PSE port2 on
sudo i2ctransfer -f -y 1 w2@0x66 0x12 0x05 
# PSE port3 on
sudo i2ctransfer -f -y 1 w2@0x66 0x14 0x05 
# PSE port4 on
sudo i2ctransfer -f -y 1 w2@0x66 0x16 0x05 

# PSE port1 off
sudo i2ctransfer -f -y 1 w2@0x66 0x10 0x00 
# PSE port2 off
sudo i2ctransfer -f -y 1 w2@0x66 0x12 0x00
# PSE port3 off
sudo i2ctransfer -f -y 1 w2@0x66 0x14 0x00 
# PSE port4 off
sudo i2ctransfer -f -y 1 w2@0x66 0x16 0x00