FIELD GUIDESource-led reference

Source S654 · recorded inspection

Universal Serial Bus Specification

USB Implementers Forum (USB 2.0 Promoter Group: Compaq, Hewlett-Packard, Intel, Lucent, Microsoft, NEC, Philips)

Scope and location

Exact named pinout variant only; not capability or compatibility approval.

Section 6.5.2, Table 6-1 'USB Connector Termination Assignment' (applies to Series A and Series B); Section 6.5.3, Figure 6-8 'USB Series "B" Receptacle Interface and Mating Drawing' (contact numbers 1-4 on receptacle face)

Open the original source

Inspected
2026-10-20
Access
public page

Recorded AI-assisted source inspection; not independent human approval or hardware testing.

Source scope and unresolved evidence are preserved in the engineering variant.

Source inspection is separate from independent technical approval, rights clearance and hardware testing.