... ,PVLAN, IGMP v1/v2/v3,SNMP v1/v2/v3,TelnetFlow control:IEEE802.3x, backpressure controlInterface:Fiber port:100Base-FX,SC/ST ... optional.Ethernet port:10Base-T/100Base-TX,RJ45, auto flow control, full/half duplex mode and MDI/MDI-X ... auto-connectionConsole port:Based serial network management (RS-232), RJ45Alarm output ...