Question about MEGA4 4-port USB 3.1 PPPS HUB for Raspberry Pi 4B

Technial Support / Discussion

Last Post by uugear 4 days ago

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sa1

(@sa1)

Posts: 2

Active Member

Topic starter

When a port is turned off, can you still send data to and from the port? Or is both power and data cut off from the port?

Posted : 28/01/2025 3:53 pm

uugear

(@admin)

Posts: 527

Member Admin

Although the data lines are not cut, the USB device is not powered in that case and it stops working. You can not send data to an unpowered USB device.

Posted : 29/01/2025 2:48 pm