I always assumed a USB cable between two devices is just a collection of wires. I recently saw some pictures when shopping for cables indicating they have internal circuitry.
Could someone clarify if USB3.0 cables are only wiring or is there an active device within the A end?
Best Answer
Depends on what you mean by usb cable.
Standard USB A/B cables, no they should just be wires. USB C to USB A/B cables can have resistors for signaling for power. USB C with high current carrying capabilites have EMark circuits to enable the high current capabilities.
There are any number of non-standard cables that have built in circuits as well. Usb to USB network cables, or USB cables with leds or lighting, for example.