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Why you should buy from ByteRunner Technologies.

Get Connected! Please Browse our Store Catagories Below...

9-pin Female to 9-pin Terminal Block Adapters


ATA / SATA PCI Express Cards


Cables (Ethernet, Firewire, Parallel, PS/2, Serial, USB, HDMI & VGA) and Power Adapters


Computers (Desktop & Notebook, used)


Docking Stations


Ethernet to Fiber-Optic Network converters/Ethernet Media Converters


Ethernet PCI-bus cards


Ethernet PCMCIA-bus cards (For notebook computers)


Ethernet Serial Device Servers


External USB/Firewire Drive Enclosures


Infrared Adapters


KVM Switches


PCI to PCMCIA (CardBus) Card Readers


SATA cards (PCMCIA-bus - For notebook computers)


Serial & Parallel Cards (PCI & PCI Express)


Serial & Parallel Cards (ExpressCards - For notebook computers)


Serial & Parallel Cards (PCMCIA-bus - For notebook computers)


USB to Audio Adapters


USB Bluetooth Dongles


USB Card Readers/Writers


USB & Firewire cards (PCI-bus)


USB & Firewire cards (CardBus/PCMCIA - For notebook computers)


USB 3.0 ExpressCards (for notebook computer)


USB & Firewire HUBs


USB to IDE / SATA Adapters


USB to Network Adapters


USB to Parallel Adapters


USB to PS/2 Adapter


USB Repeater Cables and USB Extenders


USB to Serial Adapters (RS232, RS422, RS485)


USB Share Switches


USB 2.0 Video Adapters


Video Splitters

Get Connected! Please Browse our Store Catagories Above...

Serial Adapters

Few computers today are outfitted with more than just two serial ports. In fact, most computers are manufactured entirely without serial ports and instead, outfitted exclusively with USB ports. Meanwhile, since many peripheral devices including but not limited to printers, modems, PDAs and digital cameras have serial ports, problems of compatibility arise. That’s where we come in. Byterunner offers a wide array of USB serial cable adapters to meet all your connectivity needs! Our single 2, 4, 8 and 16-port serial adapters are designed to simply and effectively connect serial port computing and communication devices straight to your computer’s USB port in a flash.

Once you connect, you might want to explore even more computing options. Byterunner.com offers a wide selection of products, including USB 2.0 video adapters for double desk-top space, designed to maximize your computer’s capabilities.

USB to serial port adapter with transmit/receive lights (1 serial)
USB to serial port adapter (1 serial)
USB-COM-CBL
USB to 1-port RS232 Serial Adapter. Provides transmit & receive lights. Cable length is approximately 10 inches. FTDI chipset.

More Information

Quantity1+3+10+50+100+
Price$18.45$18.25$18.15$18.05$17.95

Quantity Desired:

Y-105
USB to 1 Serial Port Adapter. Cable length is approximately 5 feet. Prolific chipset.

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Quantity1+3+10+50+100+
Price$9.95$9.49$9.29$8.99$8.79

Quantity Desired:

USB to serial port adapter (1 serial)
USB to serial port adapter with transmit/receive lights (1 serial)
CBL-USB-CS1B
USB to 1 Serial Port Adapter. Cable length is approximately 1 1/2 feet. Prolific chipset.

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Quantity1+3+10+50+100+
Price$14.95$13.95$13.50$13.00$12.75

Quantity Desired:

USB-COM-PL
USB to 1 Serial Port Adapter. Provides transmit & receive lights. FTDI chipset.

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Quantity1+3+10+50+100+
Price$18.45$18.25$18.15$18.05$17.95

Quantity Desired:

USB to serial port adapter (1 serial)
USB to serial adapter (2 port)
USB-COM-25


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Quantity1+3+10+50+100+
Price$18.45$18.25$18.15$18.05$17.95

Quantity Desired:

USB-2COM
USB to 2 Serial Ports Adapter. Comes with a USB cable of approximately 3 feet. FTDI chipset.

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Quantity1+3+10+50+100+
Price$32.00$28.50$27.00$26.00$25.00

Quantity Desired:

USB to 4-port serial adapter
USB to 4-port serial adapter
USB-4COM
USB to 4 Port Serial Adapter (RS-232). Provides transmit & receive lights. Comes with a USB cable of approximately 3 feet. FTDI chipset.

More Information

Quantity1+3+10+50+100+
Price$79.00$77.00$75.00$73.00$72.00

Quantity Desired:

PL-4COM
USB to 4 Port Serial Adapter (RS-232). Comes with a USB cable of approximately 3 feet. Prolific chipset.

*** No power adapter needed, runs off USB power. ***

More Information

Quantity1+3+10+50+100+
Price$79.00$77.00$75.00$73.00$71.00

Quantity Desired:

USB to single serial port adapter (RS422/485, 9-pin)
USB to single serial port (RS422/485) adapter.  Surge protected & optically isolated.
USB-COMi
USB to Single Port Serial Adapter (RS422/RS485). Supports RS-422 Full Duplex and RS-485 Half Duplex modes. Comes with a USB cable of approximately 3 feet. FTDI chipset.

More Information

Quantity1+3+10+50+100+
Price$49.00$46.00$45.00$44.00$43.00

Quantity Desired:

USB-COMi-SI
USB to Single Port Serial Adapter (RS422/RS485). Supports RS-422 Full Duplex and RS-485 Half Duplex modes. Provides surge protection and optical isolation. Comes with a USB cable of approximately 3 feet. FTDI chipset.

More Information

Quantity1+3+10+50+100+
Price$88.00$82.00$78.00$75.00$72.00

Quantity Desired:

USB to 8-port serial adapter
USB to 8-port serial adapter
USB-8COM
USB to 8 Port Serial Adapter (RS-232). Provides transmit & receive lights. Comes with a USB cable of approximately 3 feet. FTDI chipset. USB powered, doesn't require any external power.

More Information

Quantity1+3+10+50+100+
Price$158.00$153.00$150.00$148.00$147.00

Quantity Desired:

PL-8COM
USB to 8 Port Serial Adapter (RS-232). Comes with a USB cable of approximately 3 feet. Prolific chipset.

*** No power adapter needed, runs off USB power. ***

More Information

Quantity1+3+10+50+100+
Price$158.00$148.00$144.00$139.00$136.00

Quantity Desired:

USB to serial port adapter with metal housing (1 serial)
USB to serial port adapter (RS232/RS422/RS485), metal housing, surge prot
USB-COM-M
USB to 1 Serial Port Adapter. Comes with a USB cable of approximately 3 feet. Transmit & receive lights. Metal housing. FTDI chipset.

More Information

Quantity1+3+10+50+100+
Price$34.00$33.00$32.00$31.00$30.00

Quantity Desired:

USB-COMi-SI-M
USB to Single Port Serial Adapter (RS422/RS485). Supports RS-422 Full Duplex, RS-485 Half Duplex and RS-485 Full Duplex modes. Provides surge protection and opitcal isolation. Metal housing. Comes with a USB cable of approximately 3 feet. FTDI chipset.

More Information

Quantity1+3+10+50+100+
Price$98.00$92.00$88.00$85.00$82.00

Quantity Desired:

USB to 8 serial port adapter (RS232/422/485, 120V)
USB to serial port adapter (RS232), metal housing, surge protection
USB-8COMi-RM-120V (120 volt power cord version)
USB to 8 Port Serial Adapter (RS232/RS422/RS485). Comes with a USB cable of approximately 3 feet. FTDI chipset.

*** 120V, 60 Hz version. ***

More Information

Quantity1+3+10+50+100+
Price$315.00$309.00$304.00$299.00$295.00

Quantity Desired:

USB-COM-SI-M
USB to 1 Serial Port Adapter. Comes with a USB cable of approximately 3 feet. Transmit & receive lights. Metal housing. Provides optical isolation & surge protection. FTDI chipset.

More Information

Quantity1+3+10+50+100+
Price$69.95$66.00$63.00$61.00$59.00

Quantity Desired:

USB serial adapter (RS232/RS422/RS485), metal housing
USB to dual serial port adapter
USB-COMi-M
USB to Single Port Serial Adapter (RS232/RS422/RS485). Supports RS-232, RS-422 Full Duplex, RS-485 Half Duplex and RS-485 Full Duplex modes. Metal housing. Comes with a USB cable of approximately 3 feet. FTDI chipset.

More Information

Quantity1+3+10+50+100+
Price$52.00$51.00$50.00$49.00$48.00

Quantity Desired:

USB-2COM-PL
USB to 2 Serial Ports Adapter. Provides transmit & receive lights for both ports. Comes with a USB cable of approximately 3 feet. FTDI chipset.

More Information

Quantity1+3+10+50+100+
Price$32.00$29.50$28.00$27.00$26.00

Quantity Desired:

USB to 16 serial port adapter
USB to 8 serial port adapter (RS232/422/485, 230V)
USB-16COM-RM
USB to 16 Port Serial Adapter (RS-232). Comes with a USB cable of approximately 3 feet. FTDI chipset.

*** 230V, 50 Hz version. ***

More Information

Quantity1+3+10+50+100+
Price$339.00$335.00$330.00$328.00$326.00

Quantity Desired:

USB-8COMi-RM-230V (230 volt power cord version)
USB to 8 Port Serial Adapter (RS232/RS422/RS485). Comes with a USB cable of approximately 3 feet. FTDI chipset.

*** 230V, 50 Hz version. ***

More Information

Quantity1+3+10+50+100+
Price$315.00$309.00$304.00$299.00$295.00

Quantity Desired:

USB to serial adapter (2 port) (metal housing)
USB-2COM-M
USB to 2 Serial Ports Adapter, metal housing. Comes with a USB cable of approximately 3 feet. FTDI chipset.

More Information

Quantity1+3+10+50+100+
Price$59.00$53.00$48.00$46.00$45.00

Quantity Desired:

USB2-4COM-M
USB to 4 Port Serial Adapter (RS-232). Comes with a USB cable of approximately 3 feet. FTDI chipset.

*** No power adapter needed, runs off USB power. ***

More Information

Quantity1+1+3+10+50+100+
Price$89.00$87.00$0.00$85.00$83.00$82.00

Quantity Desired:

USB to 2 serial port adapter, metal (RS422/485, 120V)
USB to 32 serial port adapter
USB-2COMi-M


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Quantity1+3+10+50+100+
Price$115.00$112.00$110.00$108.00$106.00

Quantity Desired:

USB-32COM-RM
USB to 32 Port Serial Adapter (RS-232). Comes with a USB cable of approximately 3 feet. FTDI chipset.

More Information

Quantity1+3+10+50+100+
Price$559.00$555.00$552.00$549.00$547.00

Quantity Desired:

USB-COMi-PLUS
USB to Single Port Serial Adapter (RS232/RS422/RS485). Supports RS-232, RS-422 Full Duplex and RS-485 Half Duplex modes. Comes with a USB cable of approximately 3 feet. FTDI chipset.

More Information

Quantity1+3+10+50+100+
Price$46.50$43.00$42.00$41.00$40.00

Quantity Desired:

USB-COMi-TB
USB to Single Port Serial Adapter (RS422/RS485). Supports RS-422 Full Duplex and RS-485 Half Duplex modes. Provides 5-pin Terminal Block. Comes with a USB cable of approximately 3 feet. FTDI chipset.

More Information

Quantity1+3+10+50+100+
Price$47.00$45.00$43.00$42.00$41.00

Quantity Desired:

USB to serial port adapter (1 serial)
USB2-8COM-M
USB to 8 Port Serial Adapter (RS-232), metal. Provides transmit & receive lights. Comes with a USB cable of approximately 3 feet. FTDI chipset.

More Information

Quantity1+3+10+50+100+
Price$169.00$165.00$162.00$160.00$158.00

Quantity Desired:

Y-105-NO-WIN-8-OR-10
USB to 1 Serial Port Adapter. Cable length is approximately 5 feet. Prolific chipset. (This version uses the older PL-2303 XA chipset which is not compatible with WIN 8 or 10)

More Information

Quantity1+3+10+
Price$5.95$5.49$5.29

Quantity Desired:

USB type C to serial port adapter with transmit/receive lights (1 serial)
USB-COMi-PLUS-2
USB to Single Port Serial Adapter (RS422/RS485). Supports RS-422 Full Duplex and RS-485 Half Duplex modes. Comes with a USB cable of approximately 3 feet. FTDI chipset.

More Information

Quantity1+3+10+50+100+
Price$42.50$39.00$38.00$37.00$36.00

Quantity Desired:

USB-C-COM-CBL
USB TYPE C to 1-port RS232 Serial Adapter. Provides transmit & receive lights. Cable length is approximately 10 inches. FTDI chipset.

More Information

Quantity1+3+10+50+100+
Price$18.45$18.25$18.15$18.05$17.95

Quantity Desired:

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