Direct-buried fiber optic cable reinforcement refers to the structural, material, and installation measures used to protect optical fiber cables installed directly in the ground without continuous duct or conduit along the entire route. But because the cable sits in soil exposed to. Direct burial fiber optic installation eliminates conduit cost but demands the right cable construction, proper bedding, and precise depth to meet NEC and Telcordia GR-20 requirements. This article covers cable selection, trench preparation, tracer wire, warning tape, road crossings, and. 1. The lengths are determined by measuring between splice locations then adding the amount required to reach the splicing vehicle (truck or trailer) and some minimum of excess cable. Tightening of the reel bolts and maintaining reel tension duri payout may reduce the chances of this ar cable damage during handling and installation.
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