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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
Serial Converter, USB 2.0 to RS-232 DB9 M, Isolated
  1. USB to RS-232 data conversion
  2. 2 kV isolation with 4 kV contact, 8 kV Air ESD protection
  3. USB 2.0 full speed compatible (12 Mbps)
  4. RS-232 data rates Up to 460.8 kbps
  5. Compact in-line enclosure
  6. USB bus powered
  7. High retention USB port for secure cable connections
  8. One USB cable included - 0.9 m

$135.96

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BB-USO9ML2-LS-A
Serial Converter, USB 2.0 Locked Serial Num to RS-232 DB9 M, Isolated
  1. 2 kV Isolation with 4 kV contact, 8 kV Air ESD Protection
  2. USB 2.0 Full Speed Compatible (12 Mbps)
  3. RS-232 Data Rates Up to 460.8 kbps
  4. USB Bus Power
  5. High retention USB port for secure cable connections
  6. One USB cable included - 0.9 m
  7. Locked serial number

$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
Serial Converter, USB 2.0 to RS-232 DB9 M
  1. USB 2.0 to RS-232 Converter
  2. RS-232 data rates up to 921.6 Kbps
  3. DB9 M
  4. Perfect for Field Service Applications
  5. USB port powered
  6. USB cable included, 0.9 m (3 ft)

$73.13

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485USB9F-2W
Serial Converter, USB 2.0 to RS-485 2W DB9 F
  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 - no power supply required
  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

$93.73

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UC232A
Serial Converter, USB 2.0 to RS-232 DB9 M
  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

$33.00

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USOPTL4-LS
Serial Converter, USB 2.0 Locked Serial Num to RS-422/485 TB, Isolated
  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
Serial Converter, USB 2.0 to RS-422/485 TB
  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
Serial Converter, USB 2.0 Locked Serial Number to RS-232 DB9 M
  1. USB 2.0 to RS-232 Converter
  2. RS-232 data rates up to 921.6 Kbps
  3. DB9 M
  4. Perfect for Field Service Applications
  5. USB port powered
  6. Locked Serial number feature
  7. USB cable included, 0.9 m (3 ft)

$73.13

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USPTL4-LS
Serial Converter, USB 2.0 Locked Serial Number to RS-422/485 TB
  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 RS-232/422/485 Converter
  1. Power from the USB port
  2. Hot swap function supported
  3. Isolation protection 3000 VDC provided
  4. Automatic RS-485 data flow control
  5. Transmission speed up to 115.2 kbps

$157.00

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USOPTL4DR
USB to RS-422/485, Isoalted, DIN Rail
  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
Serial Converter, USB 2.0 to 4 x RS-422/485 TB, Isolated
  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
Serial Converter, USB 2.0 to 4 x RS-232/422/485 DB9 M, Ind. Isolated
  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
Serial Converter, USB 2.0 to 2 x RS-422/485 TB, Isolated, DIN Rail
  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

$210.12

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