Check Fiber Cables : Look for visible damage, sharp bends, or loose connectors. Clean Connectors : Use lint-free wipes and isopropyl alcohol to remove dust or oil. ② For the Chongqing Telecom optical cable procurement project, no suppliers submitted bids during. Fiber optic networks are celebrated for their speed and reliability, but even the best systems can encounter problems. When issues like signal loss, slow speeds, or intermittent connectivity arise, systematic troubleshooting is key. This guide will walk you through diagnosing and resolving common. Bid Data Sheet Section IV. Technical Specifications Section VIII.