Interface guide
HDMI 2.1 vs 2.0 and 2.0b: What Cable Buyers Need to Verify
Compare official cable names, bandwidth, system compatibility, length routes and certification evidence.
Buyer guides and technical blog
Cable sourcing articles for better B2B decisions
Research interface capability, compatibility, custom assembly requirements and evidence before comparing suppliers or approving a cable order.
20 published guides and sourcing tools
Interface guide
USB-C Compatibility Guide for OEM Cable Buyers
Separate connector shape, data rate, power, video, marking and certification before quotation.
RFQ guide
How to Prepare a Custom Cable Assembly RFQ
Turn a drawing, pinout, BOM, reference sample or application brief into comparable quotation inputs and a supplier evaluation.
Evidence guide
How to Request Cable Test and Compliance Documents
Match declarations, reports, certification labels and inspection records to the product, market and order.
Interface guide
AV Distribution Topology Buying Guide
Map sources, displays, distance, control and USB before choosing a splitter, switch, matrix, extender or KVM.
Interface guide
DisplayPort to HDMI: Active vs Passive
Confirm signal direction, DP++ support, target video mode and system conditions before approving an adapter.
Interface guide
USB-C Dock Compatibility & Power Budget
Validate host-specific display modes, concurrent ports, PD power allocation and recovery behavior before a bulk order.
Evidence guide
Active Optical Cable Installation Acceptance
Control route survey, connector protection, product-specific limits, pre/post-pull testing and handover evidence.
RFQ & OEM guide
Cable Sample Approval, FAI & Golden Sample
Move from an approved specification through first article, golden sample, pilot run, production release and change control.
Troubleshooting guide
HDMI Signal-Chain Troubleshooting
Separate route, mode, EDID, HDCP, active-cable power and physical-integrity variables without blaming one component too early.
Evidence guide
USB-C Cable Power Validation
Review e-marker identity, PD negotiation, loaded voltage drop, thermal rise, orientation and retest triggers as separate evidence.
Mechanical design guide
Cable Strain Relief & Overmold Design
Define load paths, stiffness transitions, interfaces, materials, tooling evidence and failure-mode validation before release.
Evidence guide
DP40, DP54 & DP80 UHBR Cable Verification
Match endpoint link rates, current VESA cable tiers, exact model and length, official listing and project sample evidence.
Compatibility guide
KVM Extender USB Peripheral Compatibility
Test keyboard, mouse, storage, camera, switching, restart and recovery behavior against the exact project device set.
Electrical planning guide
Cable AWG, Current & Voltage Drop Planning
Build a complete electrical budget from current, round-trip length, contacts and temperature, then define finished-assembly evidence.
Direction guide
VGA to HDMI vs HDMI to VGA: Direction, Power & Audio
Identify the conversion direction first, then specify USB power, audio routing, video mode and sample acceptance evidence.
Planning guide
DisplayPort MST Multi-Monitor Bandwidth Planning
Calculate the simultaneous display requirement, link budget, adapter branches and acceptance route before choosing an MST topology.
Engineering guide
Cable Shielding & Grounding Selection
Define signal references, noise paths, shield construction, enclosure termination and verification without confusing chassis and safety earth.
RFQ tool
Custom Cable Specification Builder
Organize connector, length, construction, branding, quantity, evidence and delivery requirements.
Sample planning
Plan a Cable Sample and Approval Route
Describe the target order, required model, approval checks and shipping context before requesting samples.
Need a cable decision reviewed for your project?
Send the interface, target use, length, quantity, destination and evidence requirements. WUHAN SUNFULL will separate confirmed details from open questions before quotation.