Timeline for How can I test a USB switch and hub for compliance with USB power standards (e.g. no backfeed)?
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Apr 13, 2021 at 14:53 | vote | accept | dannycbus | ||
| Dec 29, 2020 at 23:02 | comment | added | Ale..chenski | @Danny, you surely can, but the result might be misleading. The pins might have small leakage (as any silicon has), so there could be some voltage readings. Having nominal pull downs and having under 400 mV signal ensures that no false signaling or damage to PC port will occur. | |
| Dec 29, 2020 at 21:58 | comment | added | dannycbus | Why could I not just check the voltage on the VBUS, D+, and D- pins relative to ground on the hub itself? | |
| Dec 29, 2020 at 21:55 | vote | accept | dannycbus | ||
| Dec 29, 2020 at 21:58 | |||||
| Dec 29, 2020 at 4:57 | history | answered | Ale..chenski | CC BY-SA 4.0 |