LevelOne GEP-0520 (-Z) is a better performance 10/100/1000Mbps Gigabit PoE Switch with 4 PoE ports and 1 uplink port. Each PoE port provides up to 15.4W, the total power is 61.6W. The switch automatically detects PoE and non-PoE devices and provides data + power over a single patch cables. GEP-0520 (-Z) is compact, so that it can be used where space is limited. In addition, several GSW-0520 (Z9) in a 48,3 cm ( 19 inch ) chassis POC 6000 be installed to provide a professional rackmount PoE solution. GEP-0520 (-Z) enables the creation of a stable economic and LAN infrastructure. The switch supports Store-and-Forward architecture, packet error filtering and non-blocking packet forwarding. N-way auto-negotiation is supported, so that automatically detect the network speed and duplex modes.