Top Multiple Serial Ports

StarTech.com 2-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Dual Serial DB9 Card - 16550 UART - Expansion Card - Windows & Linux (PEX2S553)

  • 2 PORT SERIAL CARD: Serial controller card w/16550 UART based on ASIX MCS9922CV-AA, allows 2x DB9 ports w/bi-directional RS232 speeds up to 460.8Kbps per port, available 256 byte FIFO buffer | Upgraded version of our popular card PEX2S952.
  • OPTIONAL CONFIGURABLE POWER: PCI Express RS232 Serial Adapter Card provides choice of 12v, 5v, or none through pin 9. Each of the 2 ports are individually configurable.
  • STANDARD PROFILE & LOW PROFILE BRACKET: PCIe multiport serial card comes w/ a standard bracket pre-installed & 2x low profile brackets incl for versatile install.
  • VERSATILE APPLICATIONS: For standard profile desktop/servers with uses in point of sale terminals, PLCs, control/automation in factories, scientific sensors, medical equipment, scanners, 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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DTECH 6 Feet USB to RS232 DB9 Female Serial Adapter Cable Windows 11 10 8 7 Mac Linux Serial to USB 2.0 (PL2303 Chip)

  • RS232 USB to serial female adapter cable allows any PC to connect serial devices and programs that communicate through COM ports.
  • DB9 Serial cable to USB adapter is designed for connecting Serial devices such as DB9 equipped PCs, routers, GPS, Programming machine, barcode scanners, label writers, serial modems, digital cameras, card readers, palm PCs and digital organizers, etc.
  • 6ft USB to serial cable with standard USB Type A Male to standard 9-pin DB9 Female RS-232 serial connector.
  • USB to RS232 adapter is with Prolific PL-2303 Chipset for widest possible compatibility with Windows 11, 10, 8, 7, XP, Vista, 2000, 98, MacOS8 or higher, Linux 2.4.0 and later, and other platforms..
  • Note that the interface is 9-pin RS232 Female socket, please make sure that your serial device with a 9-pin Male Port before purchasing this USB to serial port adapter with Prolific PL2303 chipset (NOT FTDI chip).
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StarTech.com 2-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Dual Serial DB9 Card - 16950 UART - Expansion Card - Windows & Linux (PEX2S953)

  • 2 PORT SERIAL CARD: Serial controller card w/16950 UART based on ASIX AX99100, allows 2x DB9 ports 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 PEX2S952.
  • OPTIONAL CONFIGURABLE POWER: PCI Express RS232 Serial Adapter Card provides choice of 12v, 5v, or none through pin 9 w/up to 2A total.
  • Each of the 2 ports are individually configurable.
  • STANDARD PROFILE & LOW PROFILE BRACKET: PCIe multiport serial card comes w/ a standard bracket pre-installed & 2x low profile brackets incl for versatile install.
  • VERSATILE APPLICATIONS: For standard profile desktop/servers with uses in point of sale terminals, PLCs, control/automation in factories, scientific sensors, medical equipment, scanners, 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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Digi International 70001851 230Kbps Ethernet Device Server

  • Lantronix 2 Port Serial (rs232/ Rs422/ Rs485) To Ip Ethernet Device Server - Us Domestic 110 Vac - Convert From Rs-232.
  • Rs-485 To Ethernet Using Serial Over Ip Technology.
  • One 10/100 Mbps Fast Ethernet Rj-45 Port.
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DTECH USB to Serial Adapter Cable with RS232 DB9 Male Port FTDI Chipset Supports Windows 10 8 7 and Mac Linux - 4 Feet

  • (It's NOT 15 pin VGA Monitor Cable) The Male Serial to USB cable (9 pin to USB A male) allows your PC to connect RS-232 serial devices and programs that communicate through COM ports.
  • USB to serial adapter is designed for connecting serial devices such as DB9 equipped PC, router, GPS, Programming machine, barcode scanner, label writer, serial modem, digital camera, card reader, palm PC and digital organizer, etc.
  • USB to RS232 cord for Windows 10, 8.1, 8, 7, Mac OS 8 or higher, Linux 2.4.0 and later.
  • FTDI USB to serial cable is built with a high performance quality processor chip (FT232 Chipset), which makes it one of the most reliable com port to usb adapter on the market.
  • 4ft DB9 serial port to USB converter with LED light helps you check the connection status easily.
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Monoprice NetMos 2-Port Dual Serial Port PCI 32-Bit Card (100187)

  • Add 2 DB9 serial ports to your desktop computer to connect legacy serial devices.
  • Monoprice continually strives to improve its product line to bring our customers the best products available.
  • Therefore changes may be made to listed specifications without prior notice.
  • Item received may not match photo or specs shown.
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Dell System Board (Motherboard) for OptiPlex 330 (Refurbished)

  • Genuine Dell Motherboard For Optiplex 330 MT or SD Systems.
  • Chipset: Intel G31 w/ ICH7R | Processor: Intel Pentium, Celeron, Core 2 Duo, Socket 775 |.
  • Memory: 2 DIMM slots supporting up to 4 GB of RAM, Capacilities: up to 2 GB | Video: Integrated Intel Graphics | Audio: Integrated Audio Sound Controller, ADI 1984 High Definition Audio.
  • Expansion Capabilities: 1 PCI-E X16 slot, supports x16, x8, x4, and x1 modes/cards, 2 PCI 32Bit / 33MHz slots |.
  • Peripheral Interfaces: (8) 2.0 USB (front and back) (1) parallel printer port (1) serial ports 1 VGA 4 - Serial ATA (SATA) Interface Ports 1- 10/100/1000 Ethernet Port | Motherboard Part Number: KP561, N820C, TW904.
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StarTech.com 2S1P Native PCI Express Parallel Serial Combo Card with 16550 UART - PCIe 2x Serial 1x Parallel RS232 Adapter Card (PEX2S5531P)

  • Add 1 parallel port and 2 RS-232 serial ports to your standard or low-profile computer through a PCI Express expansion slot.
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C2G USB Adapter USB to DB25 Adapter Grey 6 Feet (1.82 Meters) Cables to Go 22429,Gray

  • Cable must be used with existing DB25 serial device cable..
  • Quickly convert your DB25 serial device to USB.
  • Perfect for connecting a serial device to a laptop or PC's USB port.
  • Compatible with USB 1.1, USB 2.0 and USB 3.0 ports.
  • This product creates a virtual serial port. It is not intended to connect a parallel printer/device to a USB port. The parallel port device is part number 16899.
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StarTech.com 2 Port PCI RS232 Serial Adapter Card with 16550 UART - Serial Adapter - PCI - RS-232 x 2 - PCI2S550

  • Add 2 high-speed RS-232 serial ports to your PC through a PCI expansion slot.
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Lantronix xDirect - Device server - 10Mb LAN, 100Mb LAN, RS-232, RS-422, RS-485 - AC 100/230 V - XDT4851002-01-S

  • Dual Serial Device Server: Cpu: Cortex-M4 120Mhz, Serial RS485 & RS232 to Ethernet Server, 2 Serial Ports: 1 Port is RS232, 1 Port is RS485, 1 RJ45 Ethernet Port. Support RS232 & RS485 Working at The Same Time..
  • Data Link Protocol: Ip£¬Tcp£¬Udp£¬Dhcp£¬Dns£¬Http£¬Arp£¬Icmp£¬Web Socket£¬Httpd Client..
  • Speed: 10 / 100 Mbps, Mdi / Mdix Cross Direct Automatic Switching, Baud Rate: Rs-232£º600Bps ~ 230. 4Kbps£¬Rs-485£º600Bps ~ 1Mbps.
  • 1.5Kv Electromagnetic Isolation, Shell Isolation Protection.
  • Configure Via Web Browser or Virtual Com Software Interface.
  • Working Temperature: -40 ~ 85¡ãC, Power Consumption: 003c 1W..
  • What's in The Box: 1 x Dual Serial Device Server, 1 x 5V 1A Power Supply, 1 x Female to Female Serial Cable..
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Tripp Lite Keyspan High-Speed USB to Serial Adapter, PC & Mac, USB-A to DB9 RS232 Male, 3 Foot / 0.91 Meter Cable, 3-Year Warranty (USA-19HS)

  • Serial adapter allows a serial device to be connected to a USB computer.
  • Plug-and-play convenience:DB9 serial port is seen as a COM port by your computer, and is available for use by any program that accesses COM ports.
  • No need for an external power adapter:draws power directly from your computer via the USB connection.
  • DB9 serial port supports data transfer rates up to 230 Kbps:twice the speed of a standard built-in serial port.
  • LED shows adapter status and data activity at a glance.
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