Re: Is a USB cable for data, or only power; how to tell without testing it?
Mark Lloyd <[email protected]>
| Newsgroups | alt.comp.os.windows-10,alt.comp.hardware,comp.mobile.android |
|---|---|
| Organization | usenet-news.net |
| Message-ID | <[email protected]> |
[snip] > there is no such thing as a usb power-only cable because it's in > violation of the spec. the amount of current must be negotiated over > the data lines, so a 'power-only' cable' that has no data lines will be > unable to negotiate and end up at the default 100ma. They exist. I used to have a phone that wouldn't charge over a regular cable, but required the power-only one. I no longer have this phone, and don't remember the charge rate. [snip] > usb-c cables vary, making it difficult to impossible to tell by looking > at it what its specs are. The USB-C cable I have for laptop power does support data, but not high-speed data. -- 22 days until the winter celebration (Saturday, December 25, 2021 12:00:00 AM for 1 day). Mark Lloyd http://notstupid.us/ "Religion consists in a set of things which the average man thinks he believes and wishes he was certain of." [Mark Twain]