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Industrial grade Port-powered serial interface converter from RS232 to RS485 with 600w Surging protection 232 to 485,485 to 232
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  • $16.68 
  • Free Shipping
USB to 485/422 Converter Serial Port Industrial Communication Module RS485 Nine pin Nine pin DB9 Adapter RS232 Interface Laptop Adapter 3M
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  • $83.09 
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PCI TX382A-2S adapter card for 9-pin printer interface and PCI serial port card
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PCI TX382A-2S adapter card for 9-pin printer interface and PCI serial port card

Limited time offer, ends 09/15

  • Model #: C738-WXY-80500052
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  • $32.49 
  • Free Shipping
2Pcs PWM Two-Way Steering Gear Module PWM SG90 Signal Converters Steering Gear Commissioning Board 5-9V Serial Adapter Port Control
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  • $12.99 
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FT4232-4TTL USB to 4-Way TTL Module UART Serial Port Module LED Indicator Micro USB COM Interface 12Mbps FT4232HL 5V 3.3V 2.5V 1.8V
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  • $34.69 
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Vszerda DTECH Port Powered RS232 to RS232 Serial Port Isolator Optic Electric Adapter to Protect You PC and RS-232 Device
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  • $24.99 
  • Free Shipping
Vszerda FOR IR220 Serial 9-Port Serial Interface IrDA RS232 Infrared Adapter
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  • $32.19 
  • Free Shipping