Features:1. Made of PVC material, soft and good communication effect2. 7 cores for better transmission speed3. High quality connector with low resistance to reduce plugging wear4. It is used for downloading on for Siemens S7-200 300 400 series PLC, with optical isolation, reducing signal interference, and support S7-300 400 online monitoring and debugging.5. Support for Siemens touch screen communication, such as TP170/177/270, OP25/35/77, MP177/270/277B, etc.Specification:Condition: 100% Brand NewModel: Photoelectric-isolation Type S7972-0CB20-0XA0Core Number: 7Jacket Material: PVCCore Material: Bare Copper WireAnti-interference Function: NoneLength: Approx. 4 metersColo: BlackWire: 2725 size, 28AWG +2C/24AWG (7/0.12mm)Working Temperature: -30-70Connector: Nickel PlatingWeight: Approx. 404g / 14.3ozPackage List:2 * Programming Cable1 * Connector.