proven to work where many other converters don't

USB to Serial

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transmit both data and power on a single cable

USB-C to Serial

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RS232
RS422/485

USB

1 Port

US-101
US-320

US-159
US-324

US-235

2 Port

US-257
US-313

4 Port

US-701
US-346

8 Port

US-279
US-842

USB-C

1 Port

US-735
US-720

US-759

2 Port

US-757