Communication Effect: The gold-plated connector is made of insulating and environmentally friendly PVC material with low resistance, reducing connector wear and ensuring good communication. Adapter: Features an LED indicator light on the front to show transmission and reception instructions. 7-core design for faster transfer speeds; DB15 communication interface can connect to a computer and supports hot-swapping. [Details] PC-TTY programming cable compliant with specification 2464, 28 AWG (7/0.12mm), consisting of seven 0.12mm copper wires: This programming cable is suitable for connecting S5 series PLCs to a computer for serial port programming. USB to RS232 conversion cable for transmission and communication is not supported. USB Type: Standard Color: Blue Material: PVC Package Contents: 1 * Programming Cable Only the above package content is included; other products are not. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowable measurement error is +/- 1-3 cm.