USB Multiport Interface Cable   For Increased Communication Ports

The USB Multiport Interface Cable increases available communication ports through a USB interface.

Single USB to 4 Port RS-232 Conversion

Adds four extra ports of serial communication

USB 1.1 compliant

Plug-n-Play, hot swappable

No external power required

The USB Hub on this unit is constructed of a ruggedized plastic (or aluminum, if requested).