... Ethernet Data Transfer Rate: 100 Mbps Communication Mode: Half-duplex, full-duplex Ports: 4 x Ethernet 10Base-T, Ethernet 100Base-TX ... ProtocolSNMP 1, SNMP 2, Telnet, SNMP 3Communication ModeFull-Duplex, Half-DuplexStatus IndicatorsPort statusCompliant StandardsIEEE 802.3, IEEE 802 ... oz Cisco 4 Port Fast Ethernet Switch HWIC Features Full duplex capability layer 2 switching auto-sensing per device ...