Question 1

Can an ipad or iphone w/ camera adapter otg host this hub when it's externally powered, or will they reject it with "device requires too much power"?

Accepted Answer

I use this USB hub with the external power source, and the Apple camera adapter, to connect my iPad Pro 9.7 inch to wired internet, by plugging my ethernet cable into a USB adapter that I plug into the USB hub.  It works great.  I can also plug my iPhone in at the same time and it will import pictures from my iPhone to my iPad.  Or I can plug my Apple charging cable into the camera adapter and into the USB port at the same time I’m using the internet and it charges the iPad, as well.  I’ve been using this setup for a year with no issues.  The usb port’s power cable recently quit working, and I can still use the usb hub to access the wired internet on my iPad, but it drains the iPad’s battery quickly.  I’ve never received any notifications saying “device requires too much power” but maybe I’m using the USB port differently than other people.  I’m buying this USB port again.

Question 2

What is the size of the barrel for the power cable on this hub?

Accepted Answer

A 3.5 x 1.35mm barrel jack fits into this hub. (I tried asking Tendak directly and they didn't reply.)

Question 3

Can you safely use the power port on the end of the unit to daisy chain two of these hubs?

Accepted Answer

no, the power port is only useful when you want to charge a usb device like an iphone, galaxy, etc.  it doesn't allow data to pass through it - only electricity.

Question 4

What is the input for the adapter? would it work outside usa, where the input is about 220v?

Accepted Answer

If the unit is 110v - 240v then you don't need a switch, just the proper wall adapter for the country you're in.  Some appliances are 110 - 120v only in which case you would also need a voltage convert along with the wall adapter otherwise you would burn out the unit.  I travel overseas a couple of times a year for years so I'm familiar with the situation.

ASIN	B00VK9C24M
Additional Features	4 Port, USB 3.0
Best Sellers Rank	#567 in USB Hubs
Brand	Tendak
Built-In Media	Power Adapter
Color	4 Port USB 3.0 Hub
Compatible Devices	Computer, Laoptop, PC
Customer Reviews	4.6 4.6 out of 5 stars (2,171)
Data Transfer Rate	5 gigabits_per_second
Enclosure Material	Plastic
Global Trade Identification Number	00706693165902
Hardware Interface	USB 3.0
Item Dimensions L x W x H	4.25"L x 1.57"W x 0.91"H
Item Highlight	5 Ports USB 3.0 Hub with Power Supply, Individual On/Off Port Switches for MacBook, Mac Pro, Hard Drive and More
Item Type Name	USB Hub
Item Weight	250 g
Manufacturer	Tendak
Mfr Part Number	CP-029-BK-VC
Minimum Required Operating System Version	Mac OS X 10.2 Jaguar, Windows XP
Model Number	CP-029-BK
Number of Items	1
Number of Ports	5
Operating System	Linux, Windows Vista, Windows XP
Total Usb Ports	5
UPC	706693165902
Warranty Description	1year manufacturer

Tendak USB Hub with 4 USB 3.0 Data Ports + 1 USB Smart Charging Port

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