new and high quality USBACAB230 cable is provided through the USB programming cable, the serial connection and RS232 conversion and running on your computer under the control of the computer's USB to the traditional serial port ( commonly known as the COM port). which use existing programming software,communications software and monitoring software and other applications. The working power of the cable from the USB port, no longer by the PLC programming port powered. two-color light-emitting diodes on the converter box to indicate the data transceiver,USBACAB230 usb- plc programming cablefor series PLC, the COM1 port of the PLC. Colour:Yellow Material:PVC+Tinned Copper Random label color,don't accept the specified color Package Contents: 1x Programming Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.