MCCI 3411 USB3.2 Gen2 Test Device User Guide

MCCI 3411 USB3.2 Gen2 Test Device

Product Information

The MCCI Mode Switch is a device that allows users to switch between different modes of operation. It is compatible with PCs and can be connected using a micro-B cable. The device can be controlled and configured using a terminal program such as Tera Term. The MCCI Mode Switch supports two modes: USB-IF compliance device mode and Loopback device mode.

Product Usage Instructions

1. Connect the MCCI Mode Switch to your PC using a micro-B cable.

2. Open the Device Manager on your PC and verify that the COM port for the MCCI Mode Switch is visible.

3. Download and install a terminal program such as Tera Term on your PC.

4. Launch Tera Term, and a New Connection window will appear.

5. Select “Serial” as the connection type and choose the COM port that the MCCI Mode Switch is connected to. Then press OK.

6. A command prompt will appear in the Tera Term window.

7. In the Tera Term menu, go to Setup and choose “Serial Port”.

8. Ensure that the settings in the Serial Port configuration match the settings shown in the picture below the instructions. Then press “New setting”.

9. The command prompt will appear again.

10. To change the device mode, enter one of the following commands in the command prompt:
    setdevicemode 0 – USB-IF compliance device mode
    setdevicemode 1 – Loopback device mode

11. Once you have selected the desired mode, you can close the command prompt window.

Verifying MCCI Device Mode

Refer to the figures below to verify the current mode of the
MCCI Mode Switch:

MCCI Mode Switch

This document contains instructions on how configure the MCCI Model 3411 USB3.2 Gen2 Test Device https://store.mcci.com/collections/usb-test- devices/products/model-3411.
The MCCI device is a multi-mode device. In order to work correctly with USB-IF tools (USB4CV, XHCICV), it must be put into the mode that makes it behave as USB-IF compliance device. In this mode it will work identically to the Microsoft SuperMUTT. If it is not configured correctly, USB-IF tools will fail to identify it as a compliance device.

Mode Switching Instructions

1. Connect the MCCI to the PC using a micro-B cable.

2. Go to Device Manager and confirm that you see the COM port.

3. Download a terminal program such as Tera Term.

4. These instructions use Tera Term as an example.

5. Install Tera Term.

6. Once you launch Tera Term, a New Connection window will open. Choose Serial and select the COM port that the MCCI is connected to. Then press OK

7. Then a command prompt will appear.

8. Then go to Setup and choose Serial Port

9. Then make sure the setting matches the setting below in the picture. Then press New setting

10. Once you press New setting, the command prompt will appear.

11. Now, you can change the device mode using setdevicemode command.
    setdevicemode 0 → USB-IF compliance device mode
    setdevicemode 1 → Loopback device mode

12. Once you select which mode you want the MCCI device to be in, you can close the prompt window

Verifying MCCI Device Mode

• The device will present a different VID/PID, depending which mode it is in.
• The MCCI device has two modes, a USB-IF compliance device mode and a Loopback device mode. Each mode has its own VID/PID. The VID/PID for the USB-IF compliance device mode is VID=040E, PID=F644 and the VID/PID for the Loopback device mode is VID=040E, PID=F645. Below is a Device summary showing the VID/PID.
• If USB4CV or XHCICV does not recognize the device, check the VID/PID and make sure it is configured as a USB-IF compliance device.

References

• Model 3411 USB3.2 Gen2 Test Device – MCCI

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