Zyxel 16-Port Unmanaged Fast Ethernet Switch - Easy Power On/Off [ES1100-16] Reduces power consumption during the low link utilization periods with IEEE 802.3az Energy Efficient Ethernet Adjust power usage according to the length of connected Ethernet cables Adjust power consumption according to the number of active network devices Allows customers to turn off switch when not in use Designed for SMBs to boost business network performance and efficiency