The Sony HDR-AS30V camera has a USB Micro-B jack. One might think all three of these cables / adapters should work:
- The blocky Mini-to-Micro adapter on the top has no data lines
- The Mini-to-Micro adapter cable works
- The lower cable produces dependable disconnects
There is, of course, no way to determine any of that, except by trying each one to see what happens; the product descriptions diverge from the truth in myriad ways.
The camera came with a Micro-B cable that undoubtedly worked, but you try keeping track of one particular USB cable amid all the others.