[KongchangAI]
Unverified50% confidenceFactExact time

RS-232标准最初由EIA(电子工业联盟)发布,定义了±3V至±15V的信号电平及机械接口

1
Sources
50%
Confidence
Long-term
Relevance
8/29/2026
First Seen

Sources

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MCP
get_claim(id=818067)