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How to test if a USB A cable is an active or passive cable?



Announcing the arrival of Valued Associate #679: Cesar Manara
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1















From my understanding active USB type A cables boost the signal they receive with electronics inside of them.



Without taking them apart, is there a reliable way to test if a given USB type A extension cable is active or passive?



Could a USB power meter help?










share|improve this question




















  • 2





    Active USB A cables typically require external power input. So there you go! A “normal” looking USB A cable will not be active; they will be passive. Any USB A cable that is bulky looking and “odd” is most likely an active USB A cable.

    – JakeGould
    3 hours ago


















1















From my understanding active USB type A cables boost the signal they receive with electronics inside of them.



Without taking them apart, is there a reliable way to test if a given USB type A extension cable is active or passive?



Could a USB power meter help?










share|improve this question




















  • 2





    Active USB A cables typically require external power input. So there you go! A “normal” looking USB A cable will not be active; they will be passive. Any USB A cable that is bulky looking and “odd” is most likely an active USB A cable.

    – JakeGould
    3 hours ago














1












1








1








From my understanding active USB type A cables boost the signal they receive with electronics inside of them.



Without taking them apart, is there a reliable way to test if a given USB type A extension cable is active or passive?



Could a USB power meter help?










share|improve this question
















From my understanding active USB type A cables boost the signal they receive with electronics inside of them.



Without taking them apart, is there a reliable way to test if a given USB type A extension cable is active or passive?



Could a USB power meter help?







usb






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited 3 hours ago









JakeGould

32.9k10100142




32.9k10100142










asked 3 hours ago









Frank FanelliFrank Fanelli

175




175








  • 2





    Active USB A cables typically require external power input. So there you go! A “normal” looking USB A cable will not be active; they will be passive. Any USB A cable that is bulky looking and “odd” is most likely an active USB A cable.

    – JakeGould
    3 hours ago














  • 2





    Active USB A cables typically require external power input. So there you go! A “normal” looking USB A cable will not be active; they will be passive. Any USB A cable that is bulky looking and “odd” is most likely an active USB A cable.

    – JakeGould
    3 hours ago








2




2





Active USB A cables typically require external power input. So there you go! A “normal” looking USB A cable will not be active; they will be passive. Any USB A cable that is bulky looking and “odd” is most likely an active USB A cable.

– JakeGould
3 hours ago





Active USB A cables typically require external power input. So there you go! A “normal” looking USB A cable will not be active; they will be passive. Any USB A cable that is bulky looking and “odd” is most likely an active USB A cable.

– JakeGould
3 hours ago










0






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