... switching features. FeaturesDevice Type: Switch Form Factor: Plug-in module Data Link Protocol: Ethernet, Fast Ethernet Data Transfer Rate: ... 100 Mbps Communication Mode: Half-duplex, full-duplex Ports: 4 x Ethernet 10Base-T, ... 1, SNMP 2, Telnet, SNMP 3Communication ModeFull-Duplex, Half-DuplexStatus IndicatorsPort statusCompliant StandardsIEEE 802.3, IEEE 802.3u, ...