DS-3E0105P-E is an 4 10/100Mbps ports unmanaged switch that requires no configuration and provides 4 PoE (Power over Ethernet) ports. It can automatically detect and supply power with all 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 to where there are no power lines or outlets, where you wish to fix devices such as IP Cameras or IP Phones, etc.
 
 IEEE 802.3at and IEEE 802.3af Power over Ethernet (PoE) compliant
 4 x 10/100Mbps Auto-MDIX PoE ports
 Provides up to 30 watts per PoE port
 PoE power budget 58W
 4 kV surge protection for PoE ports
 IEEE 802.3x flow control support  Plug-and-play installation
 1 Gbps switching fabric
 448 Kbits RAM Data Buffer
 1K MAC address entries
 Sturdy metal enclosure