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Home USB 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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BB-USO9ML2-A
Isolated USB to RS-232 Converter (USB cable included)
  1. 2 kV Isolation
  2. ESD Protection - 4 kV Contact, 8 kV Air
  3. Compact In-Line Case
  4. USB 2.0 Full Speed Compatible (12 Mbps)
  5. RS-232 Data Rates up to 460.8 Kbps
  6. USB Bus Powered
  7. USB cable included, 0.9 m (3 ft)

$135.96

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BB-USO9ML2-LS-A
Isolated USB to RS-232 Converter - Locked Serial Number (USB cable included)
  1. 2 kV Isolation
  2. ESD Protection - 4 kV Contact, 8 kV Air
  3. Locked Serial number feature
  4. Compact In-Line Case
  5. USB 2.0 Full Speed Compatible (12 Mbps)
  6. RS-232 Data Rates Up to 460.8 Kbps
  7. USB Bus Powered
  8. USB cable included, 0.9 m (3 ft)

$135.96

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USOPTL4
Isolated High Retention USB to RS-422/485 Converter (USB cable included)
  1. USB cable included, 0.9 m (3 ft)
  2. USB-Serial conversion; Adds a COM port to your PC
  3. 2000 V RMS optical isolation; 15kV surge protection
  4. 460.8 kbps data rate
  5. Quick, easy in-line installation
  6. No power supply required (powered from USB bus)
  7. High Retention USB Ports

$125.66

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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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485USB9F-2W
USB to RS-485 2-Wire Miniature Converter (USB cable included)
  1. Connect RS-485 devices to your USB port
  2. Data rates: 921.6 kbps (RS-485); 12 Mbps (USB)
  3. Quick, convenient in-line installation
  4. USB port-powered
  5. USB 2.0 (12 Mbps) compatible
  6. Small – fits easily into laptop bag; perfect for field service applications
  7. USB cable included, 0.9 m (3 ft)

$93.73

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UC232A
USB to RS-232 / DB9 Adapter
  1. Add one RS-232 serial port to your PC/Mac via USB connector (16in cable)
  2. Converts older serial devices to USB (1.1, 2.0 compatible)
  3. Data rate: up to 230Kbps
  4. LED status light for data transfer monitoring
  5. Supports automatic handshake mode
  6. Supports remote wakeup and power management
  7. 96 byte buffer for each upstream and downstream data transfer
  8. USB to Serial Adapter (RS-232, DB9 male)

$30.00

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USOPTL4-LS
Isolated RS-422/485 High Retention USB Converter - Locked Serial Number (USB cable included)
  1. USB-Serial conversion; Adds a COM port to your PC
  2. 2000 V RMS optical isolation; 15kV surge suppression
  3. 460.8 kbps data rate
  4. Quick, easy in-line installation
  5. Powered by USB port - no power supply needed
  6. Locked Serial number feature
  7. High retention USB port
  8. USB cable included, 0.9 m (3 ft)

$125.66

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USPTL4
RS-422/485 Inline USB Converter - non-isolated (USB cable included)
  1. Adds a COM Port to Your PC
  2. 15KV ESD Surge Protection
  3. High Retention USB Port
  4. USB 1.0, 1.1 and 2.0 Compatible (12 Mbps)
  5. LEDs for Transmit and Receive Data Lines
  6. No power supply required (powered from USB bus)
  7. USB cable included, 0.9 m (3 ft)

$83.00

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232USB9M-LS
USB to DB9 RS-232 Converter - Locked Serial Number
  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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USPTL4-LS
RS-422/485 Inline USB Converter - non-isolated, Locked Serial Number (USB cable included)
  1. Adds a COM Port to Your PC
  2. Locked Serial Number
  3. LEDs for Transmit and Receive Data Lines
  4. USB 1.0, 1.1 and 2.0 Compatible (12 Mbps)
  5. High Retention USB Port
  6. Powered by USB Port
  7. USB cable included, 0.9 m (3 ft)

$83.00

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ADAM-4561-CE
Isolated USB to RS232/422/485 Converter
  1. Full compliance with USB V1.1 specifications
  2. RS-232/422/485 port supported
  3. Transmission speed up to 115.2 kbps
  4. Isolation protection 3000 VDC provided
  5. Automatic RS-485 data flow control
  6. No external power supply necessary; the hub derives its power from the USB port
  7. Plug & Play installation
  8. No additional IRQs or I/O ports required
  9. Hot swap function supported

$157.00

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USOPTL4DR
USB to RS-422/485 Converter - 1 port, isolated, DIN mount (USB cable included)
  1. USB-serial conversion; Adds a COM port to your PC
  2. 3000 Volts optical isolation; 15 kV ESD protection
  3. RS-422/485 data rates up to 921.6 Kbps
  4. DIN rail mount (panel mount option)
  5. USB bus powered - no power supply required
  6. High retention USB connector
  7. Removable terminal block
  8. USB cable included, 0.9 m (3 ft)

$146.26

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USOPTL4-4P
Isolated USB 4-port to RS-422/RS-485 Converter (USB cable included)
  1. Connect multiple RS-422/485 devices to your USB port
  2. 2000 V optical isolation; 15 KV ESD surge protection
  3. RS-422/485 data rates up to 921.6 kbps
  4. USB: 12 Mbps, USB 2.0 (backward compatible)
  5. USB port-power or external source (power supply not included, sold separately)
  6. High retention USB ports hold connections securely
  7. Removable serial terminal blocks for easy wiring
  8. USB cable included, 1.8 m (6 ft)

$315.18

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BB-485USBTB-2W-A
High Retention USB to RS-485 TB Converter (USB cable included)
  1. Connect RS-485 devices to your USB port
  2. RS-485 data rate up to 921.6 Kbps
  3. USB 2.0 (12 Mbps) compatible
  4. Convenient, quick inline installation
  5. Compact size fits into laptop bags; perfect for field service
  6. USB port-powered
  7. High retention USB port grips USB cables; Removable terminal block for easy wiring
  8. Windows 98, ME, 2000, XP, Vista, 7 (32/64 bit), 8 (32/64 bit)
  9. USB cable included, 0.9 m (3 ft)

$93.73

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BB-485USBTB2WLS-A
USB TO SERIAL 1PT 485, 2W, TB - LOCKED SERIAL #
  1. Connect RS-485 devices to your USB port
  2. RS-485 data rate up to 921.6 Kbps
  3. USB 2.0 (12 Mbps) compatible
  4. Convenient, quick inline installation
  5. Compact size fits into laptop bags; perfect for field service
  6. USB port-powered
  7. High retention USB port grips USB cables; Removable terminal block for easy wiring
  8. Locked serial number feature
  9. USB cable included, 0.9 m (3 ft)

$93.73

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BB-485USBTB-4W-A
USB TO SERIAL 1PT, 4WIRE, TB
  1. Connect RS-485 devices to your USB port
  2. RS-485 data rate up to 921.6 Kbps
  3. USB 2.0 (12 Mbps) compatible
  4. Convenient, quick inline installation
  5. Compact size fits into laptop bags; perfect for field service
  6. USB port-powered
  7. High retention USB port grips USB cables; Removable terminal block for easy wiring
  8. Windows 98, ME, 2000, XP, Vista, 7 (32/64 bit), 8 (32/64 bit)
  9. USB cable included

$93.73

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BB-485USBTB4WLS-A
USB TO SERIAL 1PT 485, 4W, TB - LOCKED SERIAL #
  1. Connect RS-485 devices to your USB port
  2. RS-485 data rate up to 921.6 Kbps
  3. USB 2.0 (12 Mbps) compatible
  4. Convenient, quick inline installation
  5. Compact size fits into laptop bags; perfect for field service
  6. USB port-powered
  7. High retention USB port grips USB cables; Removable terminal block for easy wiring
  8. Locked Serial Number feature
  9. USB cable included, 0.9 m (3 ft)

$93.73

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USR602
Heavy Duty, Isolated USB to RS-232/422/485 2 Port Converter (USB cable included)
  1. USB to serial conversion adds 2 serial ports to your PC
  2. 2 kV optical isolation; 8kV contact, 15kV air ESD protection
  3. 921.6 kbps serial data rate
  4. 480 Mbps, full-speed, USB 1.1/2.0 (high retention USB port)
  5. -40 to +80 °C wide operating temperature
  6. DIN rail or panel mount rugged metal case
  7. UL Class 1/Division 2
  8. Redundant power inputs (terminal block, locking barrel plug); power source required (not included, sold separately)
  9. Includes: USB cable, DIN rail/panel mount hardware

$360.00

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USR604
Heavy Duty, Isolated USB to RS-232/422/485 4 Port Converter (USB cable included)
  1. USB to serial conversion adds 4 serial ports to your PC
  2. 2 kV optical isolation; 8kV contact, 15kV air ESD protection
  3. 921.6 kbps serial data rate
  4. 480 Mbps, full-speed, USB 1.1/2.0 (high retention USB port)
  5. -40 to +80 °C wide operating temperature
  6. DIN rail or panel mount rugged metal case
  7. UL Class 1/Division 2
  8. Redundant power inputs (terminal block, locking barrel plug); power source required (not included, sold separately)
  9. Includes: USB cable, DIN rail/panel mount hardware

$550.00

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USOPTL4DR-2
USB to RS-422/485 Converter, 2 port, isolated, DIN mount (USB cable included)
  1. USB-Serial conversion; Adds a COM port to your PC
  2. 3000 Volts optical isolation; 15 kV ESD protection
  3. RS-422/485 data rates up to 921.6 Kbps
  4. DIN rail mount (panel mount option)
  5. USB bus powered - no power supply required
  6. High retention USB port
  7. Removable terminal blocks
  8. USB cable included, 0.9 m (3 ft)

$210.12

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