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usbcom1a USB to DB9F serial adapter
Status active
Part numbers usbcom1a = USB to DB9F serial adapter, including 1.5 m USB to microUSB cable.
Description Our adapter is based on the Silicon Labs CP2104 controller, which has proven reliable in our experience. Unlike competitors, our adapter has the DB9F female connector with null modem pin-out to allow for direct connection to alix / apu system boards without a DB9 null modem cable.

The USB ID is NOT serialized so adapters can be exchanged without undue hassles / repeated driver install on mildew-brained operating systems.

Schematic PDF
Origin China
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