- Symptoms: Decreased signal strength, intermittent connectivity, or complete signal loss. Faults in communication optical cables can occur due to various factors, ranging from installation issues to environmental factors and natural wear and tear. Identifying and understanding the causes of these faults is crucial for ensuring reliable and efficient communication networks. In this. This guide offers practical steps to troubleshoot fiber optic cable issues, covering common problems, key tools, and preventive measures to ensure stable performance. The most common problems usually fall into four categories: Physical Layer: Transmission Performance: Equipment and Module Failures:. The armoured components of optical cables are all metal conductors. - Causes: Contamination on fibre optic connectors or end faces, fibre bends or breaks, or mismatched fibre optic components.
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