Our USB 4-Port Serial Adapter allows 4 serial devices to be connected to a single USB port. It provides a simple way to add serial ports to a PC without the hassle of installing a serial card, turning off the PC, or configuring IRQs.
Certified: Microsoft WHQL approved
High speed: Supports 460 Kbps - four times the speed of a built-in serial port
Detachable Cable: Use adapter with any USB cable (up to 5 meters long)
LEDs: Show adapter status and data activity
Plug & Play: Appear as standard COM ports
Bus Powered: No external power adapter required
Analytic Tools: Includes Windows line monitor and data trace software
Field Upgrade: Easy to update over time with free software downloads
Easy Expansion: Supports use of multiple adapters on one PC
At a Glance
up to four DB9 serial devices to a computer USB-A port
The USA-49WG Keyspan® High-Speed 4-Port USB-to-DB9-Serial Adapter Hub allows you to connect as many as four 9-pin serial devices to a computer or laptop with a USB Type-A port. An easy and inexpensive way to add serial ports to your computer without hassle, the USA-49WG works with any DB9 serial device. Configuring and sharing data among multiple modems, GPS devices, cellphones, hand-held scanners, point-of-sale systems, touch screens, medical and scientific instruments, industrial process control devices and UPS systems is a breeze. The included 6-foot cable supports data transfer speeds up to 460 Kbps-four times as fast as a built-in serial port. Five LEDs display port status at a glance. The USA-49WG requires no external power. Windows line monitor and data trace software included. Works with Windows (XP and later) and Mac OS (10.6 through 10.11).
Keyspan High-Speed 4-Port RS232 Serial DB9 to USB Adapter Hub