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By the book (An OTG product must have a single micro-AB receptacle and no other USB receptacles.) an OTG device should have an micro-AB (and not an micro-B) jack and the OTG cable should have an micro-A plug (not an micro-B). The Pi however has an micro-B jack and the adapters that ship with it have a micro-B plug. It would seem that neither the Pi nor other devices really care about the spec. So your answers seems to be right - in the real world.

Ghanima
– Ghanima ♦

2016-11-07 16:08:20 +00:00
Commented Nov 7, 2016 at 16:08
@Ghanima I have a stack of Android devices here from various big names that will work as OTG hosts and they all follow the same pattern: micro-B jack. So obviously the industry did not really go with the microAB type receptacle -- possibly because that jack is square and the big ones are confusing enough having to peer into to determine which way is up so you don't snap something.

goldilocks
– goldilocks

2016-11-07 16:29:48 +00:00
Commented Nov 7, 2016 at 16:29
Yeah, the article states that many devices use A over AB.

Ghanima
– Ghanima ♦

2016-11-07 16:31:49 +00:00
Commented Nov 7, 2016 at 16:31

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