Ethernet Protocol Analyzer


Ethernet Tap is an affordable sniffer for monitoring Ethernet traffic flowing through a single Ethernet connection. The Tap passes the Ethernet traffic through with a delay equal to about 5.2uS.

This sniffer device must be used with the Ethernet Tap plugin. A personal copy of the plugin is included in the price listed.

SKU: IO-NET Category:

Connecting Ethernet Tap

To monitor Ethernet traffic, an Ethernet cable that was initially connecting a switch (hub) to an Ethernet device is replaced by two Ethernet cables and the Ethernet Tap is inserted between them, in what is known as a “wedge” fashion.

Ethernet Tap connection

Key Features

  • Reliably captures 10Base-T and 100Base-T Ethernet traffic.
  • Based on Intel MAX10 FPGA.
  • Six LEDs onboard:
    • Green Ready LED;
    • Green 100Mbps LED (left RJ45 jack);
    • Green 100Mbps LED (right RJ45 jack);
    • Yellow Link/Activity LED (left RJ45 jack);
    • Yellow Link/Activity LED (right RJ45 jack);
    • Blue Power LED.
  • High-speed (480Mbps) USB2.0 interface on a USB-C connector.
  • Supplied with a USB-C cable.
  • USB-powered, no additional external power necessary.
  • Compact, outside dimensions only 82 x 74 x 30 mm.
  • The product is field-upgradeable via the USB interface.

Hardware Specifications

Parameter Value
USB: USB 2.0, high-speed (480MHz), USB-C connector
Throughput: Up to 100BaseT Ethernet’s real-life throughput
Operating temperature: 0 to +60 degrees C
Operating relative humidity: 10% to 90%
Mechanical dimensions: 82 x 74 x 30 mm


Resource Description
Hardware Manual (HTML) This is the Ethernet Tap chapter in the IO Ninja hardware manual.
Hardware Manual (PDF) This is a PDF rendition of the above online HTML manual for downloading and printing.