For COVID-19 safety, packages may be released without a signature. All warehouse pickups are temporarily suspended, and our Vancouver service centre is by appointment only.
We're here to help. Call us!

Reach us Monday to Friday, 6:30am to 6:00pm Pacific Time.

  • Toll Free: 1 (866) 800-8060
  • Vancouver BC: (604) 739-8060
  • Victoria BC: (250) 800-2569
  • Calgary AB: (403) 775-1291
  • Edmonton AB: (780) 628-6630
  • Winnipeg MB: (204) 800-4372
  • Toronto ON: (416) 800-4312
  • Ottawa ON: (613) 686-4717
  • Montreal QC: (438) 288-3640
  • Quebec City QC: (418) 263-4870
  • Halifax NS: (902) 800-4465
We deliver FAST
  • Same Day Shipping
  • Warehouse Pickups ($100+)
  • Vancouver Service Centre Pickups
Why choose Frontier PC?
  • Proudly Canadian for 31 years
  • Delivery from local warehouses
  • Same day local shipping
  • Real-time stock & pricing
  • Enhanced product information
  • Dedicated account reps
  • Secure online checkout

Order online or by phone before noon local time and you order of in-stock item will ship on the same business day.



  Category: Serial Adapter Serial-Parallel Adapters

Browse top sellers, or select a category from the left.
StarTech.com 2-Port PCI Express Serial Card with 16C1050 UART - RS232

StarTech.com 2-Port PCI Express Serial Card with 16C1050 UART - RS232 - PCIe serial card with Dual Channel 16C1050 UART

Quick Info Web ID: W000012787 Mfr. Part: PEX2S1050
This PCI Express serial card adds two high-performance RS232 serial ports to your desktop computer or server, for connecting your serial-based devices and equipment. Convenient system upgrades through PCIe The PCIe serial card can be installed into an available PCI Express slot, to provide two high-performance 16C1050 RS232 serial UART channels/ports. It offers a convenient solution for connecting modern or legacy equipment to newer computer systems that don't have RS232 ports. The serial card is compliant with PCI Express 1.0a specification, and it's compatible with 1x, 2x, 4x, 8x and 16x PCI Express slots. The 2-port PCIe serial card is ideal for system upgrades in a wide range of applications including manufacturing equipment, POS equipment, security devices such as surveillance cameras, card readers or access panels, and environment or building control systems. High-performance serial communication The PCIe serial card delivers high-performance serial communication, with support for data transfer rates of up to 460Kbps. The serial card provides CPU load decrease which helps ensure optimal system performance and prevent errors such as overruns by preserving resources. In addition, the dual-channel UART ensures smooth performance, even while both ports are in use. Easy installation The serial card is easy to install and configure, with support for a broad range of Windows® operating systems. Plus, the card features IRQ sharing and supports plug-and-play serial device connections, guaranteeing convenient, hassle-free installation. It comes with a standard-profile bracket installed, and also includes an optional low-profile bracket. The PEX2S1050 is backed by a StarTech.com lifetime warranty and free lifetime technical support.

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, macOS, Linux

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, macOS, Linux (PEX1S953LP)

Web ID: W000045710 Mfr. Part: PEX1S953LP

StarTech.com 2-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16950 UART - Low Profile Expansion Card - Windows, macOS, Linux

StarTech.com 2-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16950 UART - Low Profile Expansion Card - Windows, macOS, Linux (PEX2S953LP)

Web ID: W000045711 Mfr. Part: PEX2S953LP

StarTech.com 2 Port Low Profile Native RS232 PCI Express Serial Card with 16550 UART

StarTech.com 2 Port Low Profile Native RS232 PCI Express Serial Card with 16550 UART - PCIe RS232 - PCI-E Serial Card

Web ID: W000112628 Mfr. Part: PEX2S553LP

StarTech.com 4 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART

4 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART

Web ID: W000105797 Mfr. Part: PEX4S553

Epson UB S01-Serial interface Card-RS-232, C823361, Serial Adapter

Serial Adapter

Web ID: W000244499 Mfr. Part: C823361

StarTech.com 2 Port PCI RS422/485 Serial Adapter Card with 161050 UART

StarTech.com 2 Port PCI RS422/485 Serial Adapter Card with 161050 UART

Web ID: W000112613 Mfr. Part: PCI2S4851050

StarTech.com 1 Port ExpressCard to RS232 DB9 Serial Adapter Card w/ 16950 - USB Based

StarTech.com 1 Port ExpressCard to RS232 DB9 Serial Adapter Card w/ 16950 - USB Based

Web ID: W000110326 Mfr. Part: EC1S232U2

Sato RS232C HI-SPEED SERIAL INTRFCE, WWCL45031, Serial Adapter

Serial Adapter

Web ID: W000421375 Mfr. Part: WWCL45031

HP rp5800 interface cards/adapter RS-232 Internal

HP rp5800 2-port Powered Serial Card

Web ID: W000379767 Mfr. Part: QP906AA

Shuttle PCM3 interface cards/adapter Serial Internal

3 x COM Port (XH81)

Web ID: W000224394 Mfr. Part: PCM3

Tripp Lite RS-422/RS-485 USB to Serial FTDI Adapter with COM Retention (USB-B to DB9 F/M), 1 Port, U208-001-IND

RS-422/RS-485 USB to Serial FTDI Adapter

Quick Info Web ID: W000078222 Mfr. Part: U208-001-IND
Connects a Modem or Other 9-Pin Serial Device to Your Computer's USB-A Port This USB to serial converter turns your computer's USB port into a DB9 port capable of connecting RS-422 and RS-485 serial devices, such as modems, handheld scanners and GPS systems. No external power source is needed. Just connect the included USB cable between the U208-001-IND and your computer, and insert the included CD into your computer's CD drive in order to launch the driver. You'll be able to configure and share data among point-of-sale equipment and other serial devices. LEDs indicate when serial data is being sent or received. Independent DIP Switch for Easy Port Configuration The U208-001-IND's sole serial port can be set to automatically detect an RS-422 or RS-485 device by adjusting its DIP switch setting. The port can also be set specifically for use in 4-wire mode. COM Retention Feature for Convenient Reassigning of COM Values to Ports This USB to RS-485 adapter with built-in FTDI chipset offers COM retention. It automatically reassigns the same COM port values to each port, so when the cable is disconnected or the system is rebooted, no additional configuration is needed. The cable auto-detects and auto-switches RS-422 and RS-485 devices. It also supports RS-485 auto-transceiver turn around with unique featured ATTA hardware. Rugged All-Metal Housing Designed to Last in Harsh Industrial Applications The wall-mountable USB to serial converter with an industrial-grade steel enclosure offers electrostatic discharge (ESD) protection to ±15kV. It supports serial communications speeds up to one Mbps and USB 2.0 specifications, though it is backward compatible with USB 1.1 devices. 2-Year Warranty The U208-001-IND is backed by a 2-year warranty, ensuring reliability and performance.

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, macOS, Linux

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, macOS, Linux (PEX2S953)

Quick Info Web ID: W000107351 Mfr. Part: PEX2S953
This multiport PCI Express RS232 serial adapter card lets you add two RS232 (DB9) serial ports to your computer through a PCI Express (PCIe) slot, as if they were native serial ports. The dual port PCIe serial card enables you to interact with serial devices, such as card readers, printers, PIN pads, and modems, at speeds of up to 921.6Kbps. Maximum Compatibility With broad OS support, including for Windows and Linux, this 2 port PCI E serial card is easy to integrate into mixed environments. The card comes pre-configured with a full-profile bracket, and includes optional low-profile brackets, so installation is easy regardless of the case form factor. This card is a direct replacement for PEX2S952. Experience Optimal Technology This PCIe to serial adapter supports the following features: Industry standard 16950 UART compatible Supports max baud rate of up-to 921.6Kbps Provides 5/12V power output on Pin 9 when external power is connected 256-byte depth FIFO cache per transmitter and receiver Supports 9, 8, 7, 6, 5 data bits (one per port) Asix AX99100 chipset Base PCI Express 1.1 compliant The Choice of IT Pros Since 1985 StarTech.com conducts thorough compatibility and performance testing on all our products to ensure we are meeting or exceeding industry standards and providing high-quality products to IT Professionals. Our local StarTech.com Technical Advisors have broad product expertise and work directly with our StarTech.com Engineers to provide support for our customers both pre and post-sales. PEX2S953 is backed by a StarTech.com lifetime warranty and free lifetime technical support.

Epson Serial Adapter Epson Type B RS-232, C12C824431

Serial Adapter

Web ID: W000239079 Mfr. Part: C12C824431

Lexmark 14F0100 interface cards/adapter

RS-232C Serial Interface Card

Web ID: W000130237 Mfr. Part: 14F0100

Epson ON BRD USB INTERF WITH DB-9 SER, C32C824092, Serial Adapter

Serial Adapter

Web ID: W000131530 Mfr. Part: C32C824092

StarTech.com 2 Port USB to RS232 RS422 RS485 Serial Adapter with COM Retention

StarTech.com 2-Port USB to Serial Adapter DB9 - RS232 RS422 RS485 - USB Serial Adapter - USB to Serial RS232 Adapter - USB to RS232 Hub

Web ID: W000048246 Mfr. Part: ICUSB2324852

Sato RS232C SERIAL INTERFACE CARD, RJ1772200, Serial Adapter

Serial Adapter

Web ID: W000380854 Mfr. Part: RJ1772200

Lexmark 12T0698 interface cards/adapter Serial Internal

2400, 2500 Series Serial Interface Option - RoHS compliant

Web ID: W000234744 Mfr. Part: 12T0698

Sato RS422/485 INTERFACE CARD, RJ1772510, Serial Adapter

Serial Adapter

Quick Info Web ID: W000380855 Mfr. Part: RJ1772510
User Installable

Honeywell KIT  DUART WITH RS232 & RS232, 270-191-001, Serial Adapter

Serial Adapter

Web ID: W000358266 Mfr. Part: 270-191-001

Honeywell KIT, UART + I/F CARD SER, 270-192-001, Serial Adapter

Serial Adapter

Web ID: W000001732 Mfr. Part: 270-192-001


The data and images on this website have been subjected to numerous control mechanisms to ensure its' accuracy. FrontierPC.com will use best efforts to maintain its accuracy. However, if at any time the data or images provided are incorrectly priced or below fair market value or availability has substantially changed or image or descriptions contain inaccuracies, FrontierPC.com shall not be held responsible or liable, furthermore FrontierPC.com reserves the right to reject any orders placed based on this erroneous information. Copyright 2001-2024 FrontierPC.com Computer Inc., Frontier PC Canada, Frontier Computer, Toronto, Vancouver, Calgary, Halifax. All Rights Reserved.