- Symptoms: Decreased signal strength, intermittent connectivity, or complete signal loss. FOA Guide - Fiber Optic Restoration Introduction If something happens, it's important to not panic. What Can Happen? · Failed communications modules in the equipment Underground cable dig-ups Aerial cable damage from gunshots and a squirrel. Casey, City of Albany, GA) Designing. With their ability to transmit data at speeds up to 1. However, even the most advanced fiber systems are not immune to issues that can disrupt service—from signal degradation to physical. However, faults can still occur, causing slow speeds, high latency, or even outages. This guide will walk you through diagnosing and resolving common. Depending on their condition you may want to be careful when trying to lift/pull the fibers you wanna splice to the splicer. you don't want to pull old splices on the other fibers in the tray apart (OTOH well-done splices are about as good as the original glass).