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External-powered RS-232 to RS-485/422 Mini-size PhotoElectric Isolation
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  • $53.75 
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PCI to 2 Ports RS485/422 PCI Card Optical Isolation Surge protection 1053 Chip
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  • $53.75 
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8 PCS DB25 25-Pin Serial Female to Female Mini Gender Changer Coupler Adapter
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  • $57.89 
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RS232 to RS485 serial port Data Interface Adapter Converter
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  • $12.75 
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RS232 To RS485 Converter serial port UT-201B
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  • $13.75 
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USB 2.0 to RS422 RS485 Converter Adapter Serial HXSP-2108G
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  • $17.75 
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4 Port USB2.0 to Serial RS232 DB9 Splitter 4 com to usb2.0 RS-232 cable
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  • $94.96 
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RS-232/RS-485 to 4 Ports RS-485 Hub (Din Rail) 4 Port RS485 HUB Adapter
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  • $91.97 
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DTech 5 Feet DB9 9 Pin Serial Cable Male to Male RS232 Straight Through Cord
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  • $15.88 
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DTech DB9 9 Pin Serial Cable 6ft Male to Male RS232 Straight Through, Laptop
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  • $15.88 
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