High-speed 4-port serial to USB adapter adds four RS-232 DB9 serial ports and quickly connect and disconnect adapter without powering down. Detachable 6-ft USB cable included.
Supports 460 Kbps, four times the speed of a built-in serial port
Use adapter with any USB cable
LEDs show adapter status and data activity
Appear as standard COM ports
No external power adapter required
Includes Windows line monitor and data trace software