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PL2303 USB to TTL Serial Module Upgrade Programmer Download Board New
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  • $16.59 
  • $6.00 Shipping
IO Crest 4 Port RS-232 Serial PCIe 2.0 X1 Controller Card Components SI-PEX15042
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  • $119.00 
  • Free Shipping
3.3V UART serial to RS485 SP3485 Transceiver Converter Communication Module
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  • $18.90 
  • Free Shipping
2 Port Serial DB9 Mini PCIe Controller Card (RS-232)
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  • $53.60 
  • Free Shipping
For ACA20 serial port PLC programming cable Data download cable
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  • $24.82 
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IO CREST 8 Port Serial DB9 RS-232 PCI Controller Card RDC C6238 Chipset SI-PCI15068
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  • $77.00 
  • Free Shipping
STC8H USB to 2 groups of serial port module,STC8H8K64U debugger
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Double Serial Device RS232 RS485 RS422 Ethernet Server Modbus Multi-host Polling
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  • $71.98 
  • Free Shipping
VCOM VC-USB/DB9 USB 2.0 Type A Male  to Serial RS-232 DB-9 Male
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VCOM VC-USB/DB9 USB 2.0 Type A Male to Serial RS-232 DB-9 Male
  • Part Number: CU804
  • Color: Green
  • Changer Type: USB to DB9 (RS-232)
  • Connector A: USB 2.0 Type A Male
  • Model #: CU804
Syba SY-PEX15019 PCI-Express RS-232 Serial 8-Port Card with OXPCIe958 Chipset
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  • $99.00 
  • Free Shipping
Double Serial Device RS232 RS485 RS422 Ethernet Server Modbus Multi-host Polling
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  • $105.93 
  • Free Shipping