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20CM F&T>D*I USB 2.0 Converter Adapter Cable to RS-232 9-Pin RS232 Serial Port
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  • $77.99 
  • Free Shipping
USB to Isolated RS485 RS 485 Serial Interface Adapter Dongle Ethernet Module Converter, 72MM
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  • $119.99 
  • Free Shipping
USB to 4-Port Independent RS-485/RS-232 Converter RS485 RS232 COM Serial Port Adapter Cable
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  • $275.99 
  • Free Shipping
USB 4-Port Serial Adapter/USB 2.0 Quad Port Serial DB-9 RS-232
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  • $225.99 
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USB to RS485 Data A B G-N-D Pinout Serial Converter Adapter Support Win 10
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  • $111.99 
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JVFYI SH-U09C USB to TTL Serial Adapter with FTDI FT232RL Chip Compatible with Windows 11 10 7 and Mac OS
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  • $20.81 
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Brainboxes 1 Port RS422/485 USB to Serial Adapter
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Brainboxes 1 Port RS422/485 USB to Serial Adapter
  • Changer Type: Serial/USB
  • Parts: Lifetime
  • Labor: Lifetime
  • Model #: US-324
USB to RS422 RS485 Serial Adapter Converter 6Pin Terminal Block Communication Cable
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  • $125.99 
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usb to db9 rs232 serial adapter conveter computer cable
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  • $72.99 - $74.99
ATC-810 High Speed Serial RS232 to USB Adapter
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  • $73.99 
  • $5.99 Shipping