_x000D_
Universal Serial Bus (USB) has become the connectivity workhorse of today’s PCs, replacing the familiar serial ports. However, many commercial and industrial devices still use the RS-232 interface. _x000D_
_x000D_
To connect these devices to modern PCs, you need a simple and reliable conversion solution. The 232USB9M-LS offers this solution in a compact, space saving, USB port-powered package. A USB cable is included._x000D_
Locked Serial Numbers Explained - "Locked serial number" format uses the same serial number that is associated with a model type. If the converter is shared among several computers, like field service laptops, the "locked serial number" model lets you plug and play without having to worry about matching the two.