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USB 4-Port Serial Adapter/USB 2.0 Quad Port Serial DB-9 RS-232
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  • $225.99 
  • Free Shipping
USB to 4-Port Independent RS-485/RS-232 Converter RS485 RS232 COM Serial Port Adapter Cable
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  • $275.99 
  • Free Shipping
CC2045-10N 10ft DB9 Female to Female Serial RS232 Null Modem Cable
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  • $44.99 
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USB 2.0 to RS485 DB9 Serial Converter Adapter PL2303 chipest Cable
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  • $140.99 
  • Free Shipping
Coolgear RS232 to RS422/485 Serial Converter with Switching Power Adapter
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  • $157.99 
  • Free Shipping
BT580 Rs232 Serial Port Blue*/Tooth Adapter Supports Ble Connection to Mobile Phones-N36R
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  • $226.99 
  • Free Shipping
USB to RS422 Converter - 1 Port FT232R Interface Bridge for Serial Communication
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  • $249.99 
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Coolgear RS232 Serial to RS422/485 w/2000V DC Optical Isolation and Surge
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  • $205.99 
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FS-ETH-FX for FX Series Programming Cable Serial Port to Ethernet Adapter
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  • $440.00 
  • Free Shipping
USR-N540 4 Ports Serial RS232 / RS485 / RS422 to RJ45 Ethernet Converter
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  • $221.99 
  • Free Shipping
Coolgear Industrial USB 2.0 to RS-232 Serial Adapter Optical Isolation
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  • $140.99 
  • Free Shipping
UOTEK UTEK UT-890A 5ft 1-Port USB to RS-485/422 Serial Converter with ESD Protection
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  • $45.99 
  • $5.99 Shipping