hengguang ddf-cx digital distributor frame is used for the digital signal wiring adapter, with a transmission rate from 2mb/s to 155mb/s of the digital signal which has the function of scheduling, transfer lines, and adapter. Siemens 5-in-1 distribution terminals, easy for jumpering and adjusting. Gold plated coaxial connector, hard to be oxidized with low contact resistance, reliable connection. Jumpering and loop on the front board, online and offline test enabled by the testing interface. Fixed panel or turnover panel installation.