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Home USB Communications USB to Serial Converters

USB to Serial Converters

Connect RS-232 serial devices to USB ports with a USB to serial adapter. We carry all types of USB to RS-232 converter models including ruggedized, in-line, panel mount, isolated, multi-port, single port, and more.
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USR602
Heavy Duty, Isolated USB to RS-232/422/485 2 Port Converter (USB cable included)

$357.41

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USR604
Heavy Duty, Isolated USB to RS-232/422/485 4 Port Converter (USB cable included)

$547.96

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USOPTL4
Isolated High Retention USB to RS-422/485 Converter (USB cable included)

$125.66

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USOPTL4-LS
Isolated RS-422/485 High Retention USB Converter - Locked Serial Number

$125.66

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USPTL4
RS-422/485 Inline USB Converter - non-isolated

$79.31

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USPTL4-LS
RS-422/485 Inline USB Converter - non-isolated, Locked Serial Number

$79.31

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USOPTL4DR
USB to RS-422/485 Converter - 1 port, isolated, DIN mount (USB cable included)

$146.26

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USOPTL4DR-2
USB to RS-422/485 Converter, 2 port, isolated, DIN mount (USB cable included)

$210.12

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USOPTL4DR-LS
USB to RS-422/485 Converter - 1 port, isolated, locked serial number, DIN mount (USB cable included)

$147.29

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USOPTL4-4P
Isolated USB 4-port to RS-422/RS-485 Converter

$315.18

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USO9ML2-2P
Isolated USB 2-Port to RS-232 Converter

$210.12

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USO9ML2-LS
Isolated USB to RS-232 Converter - Locked Serial Number

$135.96

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USO9ML4
USB to RS-422/485 DB9 Inline Converter

$125.66

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USO9ML2-4P
Isolated USB 4-Port to RS-232 Converter

$315.18

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232USB9M
USB to RS-232 DB9 Miniature Converter (USB cable included)
  1. Connect RS-232 devices to your USB port
  2. RS-232 data rates up to 921.6 Kbps
  3. In-line installation
  4. FCC, CE approved
  5. USB port powered
  6. USB 2.0 (12 Mbps) compatible
  7. Perfect for Field Service Applications
  8. USB cable included, 0.9 m (3 ft)

$73.13

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232USB9M-LS
USB to RS-232 DB9 Miniature Converter - Locked Serial Number (USB cable included)
  1. Connect RS-232 devices to your USB port
  2. RS-232 data rates up to 921.6 Kbps
  3. In-line installation
  4. USB port powered
  5. Locked Serial number feature
  6. FCC, CE approved
  7. USB 2.0 (12 Mbps) compatible
  8. USB cable included, 0.9 m (3 ft)

$73.13

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485USB9F-2W
USB to RS-485 2-Wire Miniature Converter

$93.73

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485USB9F-2W-LS
USB to RS-485 2-Wire Miniature Converter - Locked Serial Number

$93.73

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485USB9F-4W
USB to RS-485 4-Wire Miniature Converter

$93.73

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USB-4604B-BE
4-port RS-232 Serial to USB Converter
  1. Full compliance with USB V1.1 and V2.0 specifications.
  2. RS-232 port supported
  3. Transmission speed up to 921.6 kbps
  4. Bus-powered; no need for external power supply
  5. Plug & Play installation
  6. No additional IRQs or I/O ports required
  7. Hot swap function support

$211.15

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