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Plug-and-Play In-Vehicle Communication Interface

Hongke 100BASE-T1

USB Interface

This device connects a 100BASE-T1 network to any computer equipped with a USB port. Once connected to the USB port, the device functions as an Ethernet interface. Without the need to install an additional onboard network card, users can use this interface to connect in-vehicle Ethernet devices (such as cameras or ECUs) equipped with an OABR port directly to any PC.

  • Dual-Function Integration: Can be used simultaneously as a 100BASE-T1-to-USB network adapter and a USB-CAN interface.
  • Plug-and-Play and Flexible Configuration: USB-powered plug-and-play; master/slave mode can be set via a switch or programming.
  • Built-in advanced diagnostic tools: Supports T1 cable media testing and test pattern generation, facilitating debugging and troubleshooting.
  • Free Configuration Software: A dedicated PC program is provided free of charge to display status and signal quality and to configure parameters.
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Functional overview

This interface establishes a point-to-point link between an unshielded twisted-pair IEEE 100BASE-T1 port (compliant with the IEEE 802.3bw standard) and a USB-LAN port. This device can also function as a network interface card for configuring network adapter parameters such as IP addresses and subnet masks. The converter is equipped with one DSUB9 interface (BroadR-Reach, CAN bus) and one Micro-USB connector. The master/slave configuration of the OABR channel can be set via a switch or through programming. Additionally, this device can also function as a USB-CAN interface.

Users can access the SMI registers of the 100BASE-T1 transceiver (PHY) via the CAN bus or a USB virtual serial port. This feature supports evaluating signal strength, detecting T1 port polarity, performing BroadR-Reach media tests to diagnose cable faults, fine-tuning PHY parameters, and performing general read and write operations on the registers.

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Product Details

  • Product Characteristics
  • 100BASE-T1 (IEEE 802.3bw) to USB-LAN Adapter
  • Can be used as a USB 2.0 network adapter
  • Master/slave mode can be configured via the on-board DIP switches or through programming.
  • Can also be used as a USB-CAN interface
  • USB power supply
  • 4 status indicator lights
  • DSUB9 Connector (Supports T1 and CAN Bus)
  • Micro-USB port (supports USB 2.0)
  • Can perform automatic polarity detection on OABR from mode
  • T1 Cable Media Test—Detects short circuits, open circuits, impedance mismatches, and other issues
  • Supports 100BASE-T1 test mode generation
  • Supports desktop or DIN rail mounting
  • Configuration and diagnostics can be performed via a USB virtual serial port (CDC) and the CAN bus
  • Other Functions

  • USB-CAN Interface Features

    • This device can also function as a USB-CAN interface. Using an open communication protocol, users can send and receive CAN data frames via the USB Virtual Serial Port (VCP).

  • Free PC Apps

    • Hongke provides a free dedicated PC application that can be used to read status information from the 100BASE-T1 USB interface. Once the adapter is plugged into a computer’s USB port, this PC tool displays the interface port status, signal quality, and T1 cable test results, making it suitable for diagnostic and testing scenarios. The tool also allows for master/slave mode configuration of the T1 port.

Ordering Information

Part Number (P/N)Product Description
HKIC-100BASE-T1-USB100BASE-T1 USB interface

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