Raspberry pi USB-HUB-2IN-4OUT User Guide

Introduction

Industrial Grade USB HUB, Extending 4 x USB 2.0 Ports, Switchable Dual Hosts.

Features

4 x extended USB ports, switchable two inputs, sharing USB devices for two hosts.
Industrial grade HUB chip
ESD protection for each USB port, preventing electric surge damage and data loss.
Over-voltage protection, effectively preventing other high voltage power input from damaging the connected devices.
Multiple protection circuits: over-voltage, over-current, short circuit, over-temperature, reverse current, under-voltage lock-out, 8KV ESD protection, filtering protection, etc.
Industrial grade metal case, rugged & durable, with mounting holes for easy installation.

Hardware Connection

Connect a 5V power adapter to the device, the inside protective circuit will cut off the power if the input voltage is too high.
Four USB output ports, support up to 1.2A current. The short-circuit protection is activated if the current is over 1.2A and you need to remove the device to restore it.
Working temperature range: -40°C ~ 85°C (No condensate).
The LED1 ~ LED4 are the indicators of USB ports, light on if the USB device is connected and success to be enumerated.
PWR is the power indicator.

Question:The LEDx don't light on after connecting devices and the HUB cannot work normally.

Answer:

Please check if you have connected the correct power adapter.
Check whether the USB device was shorted.
Check the USB device first at another PC and check if the related driver was installed.

To：

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