Best Serial Port Converter

USRobotics USR325686E 56K Serial Port Fax Modem

  • USR-G781 is Industrial Serial RS232 RS485 to 4G LTE Modem with Ethernet /LAN Port and Sim Card Slot.
  • ARM High Performance Processor, Support 4 Socket Independent Connection.
  • Heartbeat Packet: can be sent to Serial or Network Periodic. To Ensure Connection is Reliable, put an end to Dead Link.
  • Identity /Registration Packet: Identified Header can be Added to Packets to Check Connection Status.
  • Serial port protection: Reverse Connection Projection, ESD Anti-Surge, Anti-static, Surge Protection.
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StarTech.com 1-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16550 UART - Low Profile Expansion Card - Windows & Linux (PEX1S553LP)

  • 1 PORT SERIAL CARD: Serial controller card w/ 16550 UART based on ASIX MCS9922CV-AA, allows 1x DB9 port w/bi-directional RS232 speeds up to 460.8Kbps per port, available 256 byte FIFO buffer.
  • Upgraded version of our popular card PEX1S552LP.
  • OPTIONAL CONFIGURABLE POWER: PCI Express RS232 serial adapter card provides choice of 12v, 5v, or none through pin 9.
  • STANDARD PROFILE & LOW PROFILE BRACKET: PCIe serial card comes w/ a low profile bracket pre-installed & 1x full profile bracket is incl for versatile install.
  • VERSATILE APPLICATIONS: For low/standard profile desktop/servers w/ uses in point of sale terminals, PLCs, control/automation in factories, scientific sensors, medical equipment, scanner, oscilloscope.
  • THE IT PRO'S CHOICE: Designed and built for IT Professionals, this PCIe serial adapter card is backed for life, including free lifetime 24/5 multi-lingual technical assistance.
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StarTech.com 1-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16950 UART - Low Profile Expansion Card - Windows & Linux (PEX1S953LP)

  • 1 PORT SERIAL CARD: Serial controller card w/ 16950 UART based on ASIX AX99100, allows 1x DB9 port w/bi-directional RS232 speeds up to 921.6Kbps per port, available 256 byte FIFO buffer & 9th data bit.
  • Upgraded version of our popular card PEX1S952LP.
  • OPTIONAL CONFIGURABLE POWER: PCI Express RS232 serial adapter card provides choice of 12v, 5v, or none through pin 9 w/up to 2A total.
  • STANDARD PROFILE & LOW PROFILE BRACKET: PCIe serial card comes w/ a low profile bracket pre-installed & 1x full profile bracket is incl for versatile install.
  • VERSATILE APPLICATIONS: For low/standard profile desktop/servers w/ uses in point of sale terminals, PLCs, control/automation in factories, scientific sensors, medical equipment, scanner, oscilloscope.
  • THE IT PRO'S CHOICE: Designed and built for IT Professionals, this PCIe serial adapter card is backed for life, including free lifetime 24/5 multi-lingual technical assistance.
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LFHUKEJI RJ45 to RS232, DB9 9-Pin Serial Port Male to RJ45 Female Cat5 Ethernet LAN Console 3.3Ft

  • DB9 RS232 male to RJ45 female console cable for TCP/IP network interface with the doual-way conversion, with the serial port network function, support serial data and network data bi-directional transparent transmission.
  • Connect the equipment serial port to the RJ45 “console” port on routers, the cable can help engineer through the PC update the network device settings and device understratum operating.
  • Compatible with most routers switch on the market.Please note that your device interface must have the "console" identification character.We do not support devices such as printers that do not have a "console" port..
  • Oxygen-free copper transmission wire, high-speed clear signal transmission.
  • Double-shielded standard to ensure that signal transmission without interference.
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GCAN-205 Modbus TCP to CAN Converter, Allows User to Connect Some ModTCP Master with an existing CAN Network

  • The GCAN-204 is a CAN to Modbus RTU Slave Converter with one Serial interface and one CAN interface. It allows user to connect some Modbus Master (for example: PLC, HMI, etc) with an existing CAN network. It has integrated isolation protection module and easier to install with DIN-rail..
  • CAN industrial automation control system.
  • The serial communication device is connected to CAN-bus.
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SainSmart USB 4 Channel Relay Automation (5V)

  • NOYITO 2-Channel Micro USB Relay Module is equipped with a stable USB to serial port chip and a microcontroller. It can use the serial port debugging software to send serial commands on the computer to control the opening and closing of the 2-channel relay..
  • Onboard high performance microcontroller chip, CH340 USB control chip.With power LED indicator and relay status LED.On-board 2-channel 5V, 10A/250VAC, 10A/30VDC relay, long relay life, can work 100,000 times continuously..
  • Module with overcurrent protection and relay diode freewheel protection..
  • NOYITO 8-Channel Micro USB Relay Module ASIN:B09RGTSHHW.
  • NOYITO 4-Channel Micro USB Relay Module ASIN:B09RGVQXXT.
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Plugable USB to Serial Adapter Compatible with Windows, Mac, Linux (RS-232DB9 Female Connector, Prolific PL2303HX Rev. D Chipset)

  • USB TO RS232 SERIAL - Connect legacy DB-9 serial communications devices to a modern computer with USB.
  • LEGACY SUPPORT - Add a 9-pin DB9 RS-232 serial port to any modern computer, replaces built-in or PCIe serial adapters, recommended for use with a serial cable or NULL modem cable.
  • FLEXIBLE - Programmable baud rate from 75 bits per second to 128,000 bits per second. Plug-and-play creation of a COM port. Powered by USB.
  • COMPATIBLE - Genuine Prolific PL-2303HXD Chipset for widest possible compatibility with Windows (11, 10, 8.x, 7, Vista, and XP), Mac, Linux, and other platforms.
  • 2 YEAR WARRANTY - We love our Plugable products, and hope you will too. All of our products are backed with a 2-year limited parts and labor warranty as well as Seattle-based email support.
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RedTagCanada SIM900 Quad Band GSM GPRS Quad-Band Modules 2G Shield Development Board for R3 Mega with Antenna for Arduino SCM & DIY Kits

  • Embedded TCP / UDP stack - allows you to upload data to a Web server | RTC supported | selectable serial port | Jac speakers and headphones.
  • Quad-Band 850/900/1800/1900 MHz - could work on GSM networks in all countries around the world, work with Uno Mega..
  • This is a new version (64M version), SMS support MMS: Multimedia message and Short Message Service - so it is possible to send small amounts of data over the network (ASCII or raw hexadecimal).
  • The shield allows you to get SMS, MMS, GPRS and audio via UART by sending AT commands (GSM 07.07, 07.05 and SIMCOM enhanced to commands). The shield also has the 12 GPIOs, 2 PWMs and an ADC of the SIM900 module (They are all 2V8 logic) present on board..
  • Application: M2M (Machine 2 Machine) Applications.Remote control of appliances.Remote Weather Station or Wireless Sensor Network.Vehicle tracking system with a GPS module.Good to learn GSM / GPRS mobile phone development, control development of remote equipment, wireless meter reading, smart appliances, ultra long distance control, etc..
  • Control via AT commands - Standard Commands: GSM 07.07 & 07.05 | Enhanced.
  • Power jack - connected to external 4.8~5VDC power supply, Antenna interface - connected to external antenna, Serial port select - select either software s....
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DTECH DB9 RS232 Serial Cable Male to Male Null Modem Cord Full Handshaking 7 Wire Crossover for Data Communication (1.5 Feet, Black)

  • 1.5ft serial null modem serial cable (7 wire type and full handshaking) connects your computer to device with COM port RS-232 compatible interface.
  • Wired as a 9 pin serial port Null-Modem cord that 2-3, 4-6, 7-8 line are cross linked (TX,RX,RTS, CTS, DTR,DSR wires are connected).
  • standard shielded DE9 male RS232 cable with AL foil.
  • DB9 male to male connector on each end equipped with screws to ensure an easy and solid connection for stable serial cross data communication.
  • The wires inside are of 30AWG gauge and easy to solder to, and they connect to the pins in the order of the standard wire color code.
  • 1.5 feet short null serial adapter for hooking up PC laptop to some old RS232C equipment like scanner, Modem, printer, plotter, camera, barcode / embroidery machine, touchscreen, microcontroller, factory test equipment.
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BIGTREETECH TFT35 V3.0 Graphic Smart Display Controller Board for 3D Printer Ramps 1.4 RepRap 3D Printer Can Select Two Work Modes

  • 1.Upgrade the firmware by SD card. It is easy and convenient to operate.This display board has higher compatibility. Users can select two work....
  • 2.Serial port screen mode supports two printing modes: SD card and U disk..
  • 3.Reserve WIFI port, and WIFI function is realized by external WIFI module.
  • 4.Reserve the extension port of filament breaking detection (FIL-DET).
  • Reserve the extension port of automatic shutdown after printing (PS-ON).
  • 5.2 sets of UART serial port extension ports are reserved for DIY use..
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