Tests on Y-cables

DING Changchang archang at canaan-creative.com
Fri Jan 9 02:21:47 UTC 2015


DING Changchang wrote:
> The third one has arrived but to my disappointment, it is nothing but 
> a USB HUB:
> http://downloads.qi-hardware.com/people/xiangfu/anelok/y-cable/HUB.jpg
>
> And about the chip on the second one:
> http://downloads.qi-hardware.com/people/xiangfu/anelok/y-cable/Chip.jpg
> I searched for the name, FC18XZ 436GA, but got no result. Sound like a 
> custom chip.
> According to its instructions, this cable can be used in three modes:
> - USB charging/SYNC mode: use full usb male and micro usb
> - USB to USB extension mode: use full usb male and full usb female
> - USB OTG mode: use full usb female and micro usb
> When all three ports are in use, it is in USB charging/SYNC mode and 
> ignores the device connected to full usb female.
> I tried cutting off the two data wires on the full usb female side but 
> that did not help either.
I tried cutting off the two data wires on the full usb MALE side but 
that did not help either.
>
> Anyway, the first Y-cable should be ok. We have ordered some more and 
> will ship some to you.
>
> CC




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