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Course Outline
Fiber Fundamentals for OT Troubleshooting
- Applications of fiber in OT environments and the impact of link issues on operations.
- Single-mode and multimode fiber explained in practical field terms.
- Common causes of communication loss, degradation, and intermittent faults.
- Distinction between what OT teams can diagnose in the field versus issues requiring contractor repair.
Safe Handling, Inspection, and Cleaning
- Eye safety, laser safety, and safe use of fiber test tools.
- Proper handling of patch cords, connectors, ports, and jumpers.
- Inspecting connector end faces for dirt, contamination, and damage.
- Correct cleaning techniques for connectors and verification of readiness for retesting.
Essential Diagnostic Tools
- Using a visual fault locator to identify visible breaks and severe bends.
- Using an optical power meter and light source to confirm signal presence and basic loss.
- Using an inspection scope to check connector condition before testing.
- OTDR awareness: understanding what it shows, interpreting basic results, and knowing when to escalate for OTDR testing.
Practical Troubleshooting Workflow
- Confirming symptoms and gathering relevant information from the affected link.
- Applying the check, inspect, clean, and retest workflow.
- Isolating likely causes such as dirty connectors, excessive loss, macro bends, or fiber breaks.
- Differentiating between fiber problems and port, transceiver, or device issues.
Field Scenarios, Documentation, and Escalation
- Troubleshooting scenarios including no link, intermittent communication, and high attenuation.
- Recording test results and observations in a clear field report.
- Communicating findings to internal support teams or external contractors.
- Knowing when to stop testing and escalate for repair or specialist diagnostics.
Hands-On Practice and Review
- Guided exercises using typical OT fiber fault scenarios.
- Applying the full troubleshooting workflow from symptom identification to escalation decision.
- Review of best practices, common mistakes, and next steps.
Requirements
- Fundamental understanding of network infrastructure and communication links.
- Some experience in troubleshooting network or OT communication issues in the field.
- Basic hands-on experience with cabling, ports, and network devices.
Audience
- OT technicians.
- Network and communications support staff.
- Field personnel responsible for initial fiber issue diagnosis.
7 Hours
