USB pinout

well not on the RPi but ...
I have a 2.5" external hard disk enclosure and HD to go with.
I was going to be boxing and RPi with said HD and powered 7 port usb adapter
[well it all works external to the case]

now my problem is the HD with the Sata adapter is a faction too long to fit in the box with the usb connector to the hd
so I was just going to solder the power / data line direct to the small sata adapter

however when I do a circuit test of the sata adapter and each usb lead they all appear to be connected - this cannot be correct, can it ?

I'd upload an image but my phone is US ATM


[edit]
Gak can someone move this to
http://www.raspberrypi.org/phpBB3/viewforum.php?f=45

Tagged as: usb pinout


Probable answsers

>>The 4 pins are V+, D-, D+, gnd but I don't know in what order. > > 2nd hit... > > http://www.networktechinc.com/technote.html#usb Thanks very much, the resource was very ...

It uses a proprietary connector, but is detected as an usb device, hence 2 of the 4 cables are D+ and D-, and the other 2 are + and - I assume the easy way would be measuring the voltage directly ...

Sure.... I will never be able to do this. I'll just wait until someone puts a ready-to-go kit on the market. <hint> Ton.

I've got to say I'm surprised that those ac-powered usb devices didn't work. I was thinking a battery-powered usb hub would make for some neat capabilities. Counting my chickens before they were hatched, ...

The n900 does not support usb host mode, see: http://talk.maemo.org/showthread.php?t=31921. So you can't use a usb to ethernet device but there are bt to rs 232 converters available. ...


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