The complete hardware range for ADSS and OPGW fiber optic cable, anchoring and tension clamps, suspension sets, vibration dampers, downlead hardware, and splice closures, matched to your exact cable diameter and span data. One factory, one matched set, no compatibility. All-Dielectric Self-Supporting (ADSS) cable is a type of fiber optic cable that is strong enough to support itself between structures without using conductive metal elements. Since there are many different types of ADSS cable accessories each one of them is designed to perform different roles on the cable. The role of tension fittings: tension fittings are mainly installed on terminal towers and tension towers.