The ES1 is NAI’s latest generation 12-port* Ethernet Switch Module. This unmanaged switch is used on our multi-function embedded boards and SBCs.
IEEE 802.3ab (1000Base-T Gig-E)
IEEE 802.3u (100Base-TX Fast Ethernet)
IEEE 802.3i (10Base-T Ethernet)
IEEE 802.3x (Flow control/full and half duplex)
Read more: http://www.naii.com/12-Port-Ethernet-Switch/F192#ixzz3OLLuzeM6
Broadcom® 53312SRear I/O supportNon-blocking, Gig-E, fully integrated switch fabric with 4Mb packet buffer memoryIntegrated MACs (IEEE 802.x compliant) with support for 9600-byte jumbo framesHigh-performance, look-up engine with support for up to 8K unicast MAC address entriesAutomatic learning and aging tagsIPv4 and IPv6 traffic class supportUp to 12 ports available for external Ethernet communication/connectivity2 ports (of 12) for motherboard and/or processor communication/connectivity (if supported)Port segregating/partitioning options available (i.e., separate 6/6 ports for 2x independent networks)For layer 3 support, please contact factoryRead more: http://www.naii.com/12-Port-Ethernet-Switch/F192#ixzz3OLLwGrHR