Keyspan High-Speed 4-Port USB-to-DB9-Serial Adapter Hub

PART #  642872
Minimum 1 Each
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Keyspan by Tripp Lite’s USA-49WG USB 4-Port Serial Adapter is a simple, reliable, inexpensive solution for connecting serial devices to your USB computer. It’s the easy way to add serial ports to a computer without the hassle of installing a serial car d, turning off the PC, or connecting an external power adapter. The USA-49WG draws power directly from your computer through the USB connection. Simply plug it into the USB port of your computer using the included cable, install the software and you’re ready to connect up to four serial devices. Five LEDs (one red, four green) display the USB and DB9 port status at a glance. Featuring data transfer rates up to 460 Kbps, the USA-49WG can be used with any RS-232 serial device-networking equipment, mod ems, GPS devices, cell phones, hand-held scanners, point-of-sale systems, touch screens, medical and scientific instruments, industrial process control devices, UPS systems and more.


Appear as standard COM ports


  • Operate 4 DB9 Serial Devices Simultaneously
  • Connects to networking equipment, modems, GPS devices, cellphones, hand-held scanners, point-of-sale systems, touch screens, medical and scientific instruments, industrial process control devices, UPS systems and other devices with a 9-pin serial port
  • Supports data transfer speeds up to 460 Kbps - 4 times as fast as a built-in serial port
  • Easy to Set Up and Use
  • No external power supply needed
  • Includes detachable 6-ft. USB cable
  • Can use with USB cable up 16 ft. long
  • 5 LEDs display port status at a glance
  • Compatible with Most Systems
  • Works with Windows (XP and later) and Mac OS (10.6 through 10.11)
  • Includes Windows line monitor and data trace software

Specification Description

LEDs: Show adapter status and data activity

Tech Info

Gold plated connectors and gold plated copper contacts for superior conductivity.


UNSPSC Code 43223300

Spec Sheet

Spec Sheet

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