12-Port Ethernet Switch

12-Port Ethernet Switch

Module ES1 - 12-port Ethernet Switch

The ES1 is NAI’s latest generation serial communications, 12-port* Ethernet Switch Module. This unmanaged switch is used on our multifunction 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)


  • Broadcom® 53312S
  • Rear I/O support
  • Non-blocking, Gig-E, fully integrated switch fabric with 4 MB packet buffer memory
  • Integrated MACs (IEEE 802.x compliant) with support for 9600-byte jumbo frames
  • High-performance, look-up engine with support for up to 8 K unicast MAC address entries
  • Automatic learning and aging tags
  • IPv4 and IPv6 traffic class support
  • Up to 12 ports available for external Ethernet communication/connectivity
  • 2 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 factory

* dependent upon platform

Power:    +5 VDC @ 1200 mA. (typ. quiescent)
                Add 50 mA per active port (est. typ. full duty cycle)
Ground:  Isolated signals
Weight:  2 oz. (56 g)

Advanced release, contact factory.

ES1 Diagram




Function module(s) featured in products below:

ModelBoard TypeProcessorFunction Module SlotsMaximum MemoryMaximum StorageVideo OptionsEthernetAvailable O/S
68PPC23U OpenVPX SBCNXP® QorIQ® T2080 Quad Core @1.5 GHz2 8 GB DDR3 SDRAM32 GB SATAII NAND FlashN/A2 x GbWind River® VxWorks®
Model PhotoPhotoPlatformSeriesForm Factor ProcessorProcessor SpeedSpeedI/O & CommunicationsI/O & CommsOSWt. (lbs) OSVolume (in3)
RDC-31CP0B  Remote Data Concentrator 3U cPCI ARM® Cortex®-A9 800 MHz 2 x 10/100/1000Base-T; ARINC 429/575 (12); CANBus (8); RS-232422485 (8); 28 VDC PSU w/holdupVxWorks®, Xilinx® PetaLinux<5.0 VxWorks®, Xilinx® PetaLinux