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Lightning protection RS232 to RS485/RS422 converter adapter with power adapter ZY212
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  • $31.95 
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Mini RS-232 to RS-485 Passive Interface Converter 485 Converter DB9 to 3-Wire terminal Adapter
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  • $10.95 
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Mini PCIE USB to RS422 RS485 RS232 COM Port Card DB9 for Modem PDA GPS Bar Code Digitizer ISDN terminal adapter
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  • $45.95 
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8 PCS DB25 25-Pin Serial Female to Female Mini Gender Changer Coupler Adapter
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  • $56.29 
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Industrial grade RS232 to RS485/422 Converter Passive serial port PhotoElectric Isolation UT-2127
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  • $34.95 
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RS232 CANBUS to BUS CAN transparent converter using TVS RS-232 to CANBUS Converter UT-2501
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  • $35.95 
  • Free Shipping
Industrial Modbus Serial RS232 RS485 RS422 to WiFi Ethernet Converter Device TCP IP Telnet Modbus 4M Flash
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  • $40.95 
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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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4 Port USB2.0 to Serial RS232 DB9 Splitter 4 com to usb2.0 RS-232 cable
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  • $93.16 
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External-powered RS-232 to RS-485/422 Mini-size PhotoElectric Isolation
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  • $51.95 
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PCI to 2 Ports RS485/422 PCI Card Optical Isolation Surge protection 1053 Chip
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  • $51.95 
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Industrial Modbus 2Ports Serial Server RS232/RS485/RS422 to WiFi Ethernet Device Converter Connector Unit
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  • $62.95 
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USB 2.0 to RS422 RS485 Converter Adapter Serial HXSP-2108G
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USB 2.0 to RS422 RS485 Converter Adapter Serial HXSP-2108G

Limited time offer, ends 04/29

  • Model #: ZX-201
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  • $15.95 
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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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  • $90.17 
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RS232 to RS485 serial port Data Interface Adapter Converter
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RS232 to RS485 serial port Data Interface Adapter Converter

Limited time offer, ends 04/29

  • Model #: ZX-198
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  • $10.95 
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RS232 To RS485 Converter serial port UT-201B
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RS232 To RS485 Converter serial port UT-201B

Limited time offer, ends 04/29

  • Model #: ZX-216
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  • $11.95 
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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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DTech 1.5 ft Straight Through Serial DB9 Cable Female to Female 9 Pin COM Port Cord for Data Communication (0.5 Meter, Black)
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  • $16.49 
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TECH USB to Serial Adapter Cable with RS232 DB9 Male Port FTDI Chipset Supports Windows 10 8 7 and Mac Linux - 4 Feet
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  • $17.49 
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DTech 15 ft Straight Through Serial DB9 Cable Female to Female 9 Pin COM Port Cord for Data Communication (5 Meter. Black)
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  • $21.50 
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DTech 5 Feet DB9 9 Pin Serial Cable Male to Male RS232 Straight Through Cord
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  • $14.38 
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DTech 6 Feet USB to RS232 DB9 Female Serial Adapter Cable Windows 11 10 8 7 Mac Linux Serial to USB 2.0 with Prolific PL2303 Chip
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  • $21.50 
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DTech RS-232 Cable 10ft RS232 Serial Cable Male to Male 9 Pin DB9 Cord Straight Through
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  • $16.38 
  • Free Shipping
DTech USB to Serial Adapter Cable with FTDI FT232RL Chipset DB9 RS232 Male Port Supports Windows 11 10 8 7 and Mac Linux (6 Feet)
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  • $21.50 
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