RJ12 to RJ45 modular signal and telephone cable 0.5m black

0.5 m black pre-assembled modular cable. 4 pins connected. RJ11 to RJ45. Used for some IP phones and telephone systems but can also be used for analog or digital signals for signal transmission to e.g. sensors, detectors or control systems. Directly connected, see data sheet. RJ11 = 6P4C, RJ45 = 8P8C.