StarTech 1ft (30cm) USB to Null Modem Serial Adapter Cable COM Retention FTDI USB-A to DB9 RS232 Interchangeable DB9 Nuts/Screws Windows/macOS/Linux. StarTech 1ft (30cm) USB to Null Modem Serial Adapter Cable COM Retention FTDI USB-A to DB9 RS232 Interchangeable DB9 Nuts/Screws Windows/macOS/Linux Black 0.3 m USB Type-A DB-9 Male Female.
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