... metal Joint Box Input and output fiber number are option Used for ADSS/OPGW ISO9001:2008, SGS Joint BoxJoint Box photo:Joint Box Use:Cap-type palstic Joint Box ... Metal Joint Box for TowerPJJ N1N2-Dndn-T6.7aluminum alloyfor towerInstruction: N1—port no. Max: 5 pcs, N2—core no. of cable. Max ... : 144 core, DN—insert dia. of cable, dn—out dia. of cable, G—for pole, T ...