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FM-EBP Module

FM-EBP stands for Ethernet Bypass and it was designed for a very specific application. In nominal conditions the FACE Module incorporates 2x GbE LAN ports supporting 10/100/1000BASE-T communication and compliant with IEEE 802.3 standard through RJ-45 connectors. It also features two optional USB2.0 downstream ports with data rates up to 480Mbps.

In case of complete failure (HW/SW) of a host computer, keep alive mechanism detects and identifies the failure, and switches internal relay circuits in order to bypass the failing hardware. In fact, it routes the input port to output port in a simple electrical wire fashion.

Refer to Compatibility Matrix for products fit.


  • 2x GbE LAN 10/100/1000BASE-T compliant with IEEE 802.3
  • Ethernet bypass circuits for 2x GbE LAN ports
  • 2x (optional) USB2.0 downstream ports, up to 480Mbps half-duplex

FM-EBP image.jpg

Block Diagram


Hardware Specifications

The following section provides information about FM-EBP main components and features.

Bypass Scenarios


Intel I211AT GbE Controller Intel Ethernet I211 controller is a single port, compact, low power component that supports GbE designs. The I211 offers a fully-integrated GbE Media Access Control (MAC), Physical Layer (PHY) port and supports PCI Express 2.1 (5GT/s). The I211 enables 1000BASE-T implementations using an integrated PHY. It can be used for server system configurations such as rack mounted or pedestal servers, in an add-on NIC or LAN on Motherboard (LOM) design. Another possible system configuration is for blade servers as a LOM or mezzanine card. It can also be used in embedded applications such as switch add-on cards and network appliances. One independent interface is used to connect the I211 port to external devices. The following protocol is supported: MDI (copper) support for standard IEEE 802.3 Ethernet interface for 1000BASE-T, 100BASE-TX, and 10BASE-T applications (802.3, 802.3u, and 802.3ab).

Main Features

  • PCIe v2.1 (5 GT/s) x1, with Switching Voltage Regulator (iSVR)
  • Integrated Non-Volatile Memory (iNVM)
  • Platform Power Efficiency
  • IEEE 802.3az Energy Efficient Ethernet (EEE)
  • Proxy: ECMA-393 and Windows logo for proxy offload
  • Jumbo frames
  • Interrupt moderation, VLAN support, IP checksum offload
  • RSS and MSI-X to lower CPU utilization in multi-core systems
  • Advanced cable diagnostics, auto MDI-X
  • ECC – error correcting memory in packet buffers
  • Four Software Definable Pins (SDPs)