Zehn kurze Antworten, eine Frage pro Seite. Jede Seite nennt zuerst die Antwort, dann die Belege.
HDMI cables
- What bandwidth does an HDMI 2.1 cable need, and which certification tier proves it?
- How can I verify that an HDMI cable is really certified?
- How far can a copper HDMI cable run?
- Which conductor and shielding should an HDMI cable specify?
- What is an HDMI Adopter, and why does it matter to a buyer?
- Can an HDMI 2.0 cable be used on an HDMI 2.1 device?
- How many HDMI cable categories are there?
- What does ARC or eARC require from the cable?
- HDMI or DisplayPort cable — which should a project specify?
- What cable does 8K actually require?
- Does an HDMI adapter or coupler degrade the signal?
- What actually fails first in an HDMI cable?
- Is HDMI 2.2 (96 Gbps) available today?
- How do length and gauge relate in an HDMI cable?
- Who pays for HDMI certification — the factory or the brand?
USB-C and USB4
- What makes a USB-C cable 240 W capable?
- Is an E-Marker mandatory for 240 W, and does it guarantee 240 W?
- Can a 240 W USB-C cable also carry USB 3.2 data?
- Why do some USB-C cables only charge and cannot transfer data?
- How do I tell a USB 2.0, USB 3.2 and USB4 cable apart?
- What is the difference between USB4 40 Gbps and 80 Gbps?
- Are Thunderbolt 4/5 and USB4 cables interchangeable?
- How do I tell a 3 A USB-C cable from a 5 A one?
- Why does the same cable run at different speeds on different devices?
- How does a USB-C port output video?
- What does "full-function USB-C cable" actually mean?
- Can an E-Marker be counterfeit or mis-programmed?
- Can a USB-C charging cable carry 4K video?
Sourcing and suppliers
- What should a B2B buyer check before choosing a cable manufacturer?
- What matters when ordering custom-length or private-label (OEM/ODM) cables?
- How do I tell a real cable factory from a trading company?
- Where do cable quotations hide cost?
- What should I do when the sample does not match mass production?
- How is tooling cost for a custom cable determined?
- What determines cable lead time?
- What should a cable factory audit actually check?
- Who pays for product certification in a private-label order?
- What matters in cable packaging and shipping marks?
- How do I run a small trial order without losing money?
- How do I stop a supplier from substituting materials?
Quality, testing and compliance
- What tests should a cable factory run before shipment?
- What is a TDR test and why does it matter?
- How is cable bend life tested?
- What do RoHS and REACH mean for cables?
- Do CE and FCC apply to a passive cable?
- What does a VW-1 flame rating mean?
- How do I read a cable temperature rating?
- Why does the same lot pass some tests and fail others?
- How do I tell whether a complaint is the cable or the device?
- How should return and rework responsibility be split?
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