Note: This cable only supports XP, DOS and 2K systems, but not Win7, 8 and 10 systems. Communication effect: the gold-plated connector is made of an insulated and environmentally friendly PVC material and has a low resistance value, which reduces wear and tear of the connector and achieves a good communication effect. Adaptor: on the front there are LED indicators that remind the transmission and reception instructions. 7 core, faster transfer speed; DB15 communication interface can be connected to the computer, support hot plug. [DETAILS] The PC-TTY programming cable complies with the specification 2464, 28 AWG (7 / 0.12 mm), consists of seven 0.12 mm copper wires Usage: the programming cable is suitable for serial programming of a PLC of the Siemens S5 series connected to a computer. The use of a USB to RS232 conversion cable for transmission communication is not supported. weight: 260 g Colour: blue Material: PVC Size: 3 x 300cm Package Contents: 1 x Programming cable Only the above package content, other products are not included. Note: Light shooting 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.