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USB2.0 to RS485 RS-485 RS422 RS-422 DB9 COM Serial Port Converter Adapter Cable PL2303 chip
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  • $146.99 
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1PCS PCI to RS-232 Serial Card 4 Ports RS232 to PCI Converter DB9 COM Adapter UT-7704
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  • $228.99 
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ISA Serial and Parallel Ports Adapter RS232 and DB25 Printer
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  • $154.99 
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HF2211 Serial Server, 5-36V DC RS232/485/422 to & Ethernet DTU Network Communication
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  • $100.99 
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