Fast Ethernet Switch 5-port 10/100Base-TX (Plastic). 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