Can I connect USB-C Alt Mode DisplayPort to Serial (DB-9)?

USB-C Alt Mode DisplayPort and Serial (DB-9) are not directly compatible.

Do I need an adapter for USB-C Alt Mode DisplayPort to Serial (DB-9)?

No, USB-C Alt Mode DisplayPort and Serial (DB-9) can be connected directly without an adapter.

Will connecting USB-C Alt Mode DisplayPort to Serial (DB-9) cause signal loss?

No significant signal degradation is expected when connecting USB-C Alt Mode DisplayPort to Serial (DB-9).

USB-C Alt Mode DisplayPort ↔ Serial (DB-9)

兼容性检查和信号路径分析

需要转接器

这些接口不直接兼容，需要转接器或转换线缆。

信号路径

USB-C Alt Mode DisplayPort DisplayPort

Serial (DB-9) Unknown

USB-C Alt Mode DisplayPort

系列 DisplayPort

外形规格 Oval symmetric (USB-C)

针脚数 24

可反插是

Serial (DB-9)

系列 Legacy Data

外形规格 D-sub 9-pin

针脚数 9

可反插否

备注

USB-C Alt Mode DisplayPort 转 Serial (DB-9)：DisplayPort 传输视频信号；传统数据接口传输串行/并行数据。USB-C Alt Mode DisplayPort (DisplayPort) 和 Serial (DB-9) (传统数据) 属于不同的接口类型。