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Course Outline
Fibre Basics for OT Troubleshooting
- Where fibre is used in OT environments and how link issues impact operations
- Single-mode and multimode fibre explained in practical field terms
- Common causes of communication loss, degradation, and intermittent faults
- What OT teams can diagnose in the field versus what requires contractor repair
Safe Handling, Inspection, and Cleaning
- Eye safety, laser safety, and the safe use of fibre test tools
- Proper handling of patch cords, connectors, ports, and jumpers
- Inspecting connector end faces for dirt, contamination, and damage
- Cleaning connectors correctly and verifying they are ready for re-testing
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 – what it displays, how to interpret basic results, and when to escalate for OTDR testing
Practical Troubleshooting Workflow
- Confirming symptoms and gathering relevant information from the affected link
- Applying a check, inspect, clean, and re-test workflow
- Isolating likely causes such as dirty connectors, excessive loss, macro bends, or fibre breaks
- Distinguishing likely fibre problems from port, transceiver, or device issues
Field Scenarios, Documentation, and Escalation
- Troubleshooting scenarios involving 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 fibre fault scenarios
- Applying the full troubleshooting workflow from symptom identification to escalation decision
- Review of best practices, common mistakes, and next steps
Requirements
- Basic 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
Target Audience
- OT technicians
- Network and communications support staff
- Field personnel responsible for first-line fibre issue diagnosis
7 Hours
