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Course Outline
Fibre Basics for OT Troubleshooting
- Applications of fibre in OT environments and the operational impact of link issues
- Single-mode and multimode fibre in practical field terms
- Common causes of communication loss, degradation, and intermittent faults
- Distinguishing between issues OT teams can diagnose in the field versus those requiring 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
- Correctly cleaning connectors and verifying readiness for retesting
Essential Diagnostic Tools
- Using a visual fault locator to identify visible breaks and severe bends
- Employing optical power meters and light sources to confirm signal presence and basic loss
- Using an inspection scope to assess connector condition prior to testing
- OTDR awareness: interpreting basic results, understanding capabilities, and knowing when to escalate for OTDR testing
Practical Troubleshooting Workflow
- Confirming symptoms and gathering relevant data from the affected link
- Implementing a check, inspect, clean, and retest workflow
- Isolating likely causes such as dirty connectors, excessive loss, macro bends, or fibre breaks
- Differentiating 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 clear field reports
- Communicating findings to internal support teams or external contractors
- Determining when to cease 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 errors, and subsequent 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 fibre issue diagnosis
7 Hours
