AP-ESG1918P, 16GE+2SFP Rackmount Switch with 16-Port PoE provides the seamless network connection. It integrates 16*100/1000Mbps Ethernet capabilities and 2 Gigabit SFP slots for Uplink connection. 16 Auto-Negotiation RJ45 ports of the switch support Power over Ethernet (PoE) function. These PoE ports can automatically detect and supply power with those IEEE 802.3af/at compliant Powered Devices (PDs). In this situation, the electrical power is transmitted along with data in one single cable allowing you to expand your network where there are no power lines or outlets, where you wish to fix devices such as APs, IP Cameras or IP Phones, etc.