... equipment of the communications to sendWe can produce standard distribution box:1152cores,576cores,288cors,144cores,96cores,72cores,48cores,24coresOur factory ... between high-voltage protection ground andframe: ≥1,000m&Omega / 500V (DC)14) Life: 1,000 times Optical distribution box is used ... a certain angel, maintenance is easy, transmission loss is low;It suits to common optical fiber cable, also to ...