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2-Ports PCI to RS485/422 Multi-Serial Port Card with 2.5KV isolation protection 2 Port RS485 RS422 COM Serial Port UT-712
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  • $70.95 
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DTECH USB to RS485 Adapter RS422 Cable Serial Port with CP2102 Chip Terminal Board LED Lights Ferrite Core for Windows 11 10 8 7 XP Mac (1.5 Feet)
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  • $22.88 
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  • $21.68 - $22.88
UTEK Industrial Grade RS-485 Lightning Isolator Arrester RS485 Isolation Module Surge Protector ESD Level4 IP30 5KA 6V DC 4.2V AC 10M BPS Multi-protection UT-S101
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  • $30.79 
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  • $29.59 - $30.79
UTEK UT-885 USB to RS-485/422 Interface Protocol Vonverter with ESD protection
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  • $36.05 
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External-powered 2 Port RS-485 Repeater Rail-mounted PhotoElectric Isolation UT-520
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  • $72.95 
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USB 2.0 to RS485 DB9 Serial Converter Adapter PL2303 chipset Cable Wholesale HXSP*2108F
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  • $16.95 
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DTECH Active Isolated RS232 to RS485 RS422 Converter with RJ45 Serial Port Terminal Board Power Adapter DB9 Cable Optical Isolation Protection 2.5kV
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  • $55.90 
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  • $54.70 - $55.90
Lightning protection RS232 to RS485/RS422 converter adapter with power adapter ZY212
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  • $31.95 
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UT-2217 External-powered RS-232 to RS-485 Wall-mounted PhotoElectric Isolation
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  • $33.25 
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1747-UIC Programming Cable for AB PLC SLC5/01/02/03/05 and Micrologix 1000 Series, USB to DH485/RS485/RS232, for Allen Bradley 1747-UIC Repalcement
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  • $74.19 
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  • $72.99 - $74.19