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Summary of Contents for Yepkit YKUSH 3
- Page 1 YKUSH 3 Yepkit USB 3.1 Switchable Hub User Manual Version 1.0.0...
- Page 2 YKUSH 3 Yepkit USB 3.1 Switchable Hub INDEX PRODUCT OVERVIEW CONNECTING AND SETUP USING IT CONTROL PROTOCOL APPENDIX: REVISION HISTORY...
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Page 3: Product Overview
YKUSH 3 Yepkit USB 3.1 Switchable Hub PRODUCT OVERVIEW CONTROL YOUR USB DEVICES Yepkit USB 3.1 Switchable Hub Being able to connect/disconnect USB devices without having to physically plug/unplug is quite helpful for recurrent processes. Bellow are some example of use... - Page 4 (eg., a PC USB port). At this point YKUSH 3 is working as Bus Powered Hub (takes the power input from the host USB port). This powering mode should only be used when just low power USB devices are to be connected. If higher power USB devices (e.g., external USB HDD) are to be connected then the Self/External Powered mode (external power supply)
- Page 5 In Externally Powered mode (jumper at VEXT position), all power is sourced from an external 5V power supply. This external power supply must have enough current capacity to source the internal YKUSH 3 circuitry and all USB devices attach to the downstream ports.
- Page 6 USING IT USING YOUR YKUSH 3 Now that everything is set up you can start using the full capabilities of YKUSH 3. If you are using our software (ykushcmd), the commands have the following structure and options. The command structure ykushcmd ykush3 [-s serial_number] -<option>...
- Page 7 YKUSH 3 Yepkit USB 3.1 Switchable Hub USING IT Some examples Switch OFF/DOWN the downstream port 1. ykushcmd ykush3 -d 1 Switch ON/UP the downstream port 1. ykushcmd ykush3 -u 1 Get status of downstream port 2. ykushcmd ykush3 -g 2 List the serial numbers of the connected boards.
- Page 8 UNDERSTANDING THE PROTOCOL YKUSH 3 board has an in-board microcontroller that handles the control communication with the host system and performs the switching of the downstream USB ports. This in-board microcontroller is visible to the host system as an HID USB device with the following details:...
- Page 9 YKUSH 3 Yepkit USB 3.1 Switchable Hub APPENDIX: REVISION HISTORY Revision 1.0.0 (10/2017) Initial release.
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