Planet Switch 10/100Mbps 5-port SW-504 Comply with IEEE 802.3, 10Base-T, IEEE 802.3u, 100Base-TX 5-port 10/100Mbps Auto-Negotiation ports-- 10/20Mbps, 100/200Mbps Auto-sensing Compact size design for wall mount or desktop placement High performance Store-and-Forward Switching Architecture Runt and CRC filtering Flow control (Back Pressure) supports in half-duplex mode 1K MAC Address Table, automatically learning and aging LED indicators array for easy diagnostic, troubleshooting Plug-and-Play Installation Auto-MDI/MDIX on each port 12V DC, 500mA