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Course Outline
Optical Fiber Fundamentals for OT Troubleshooting
- The role of fiber in OT environments and how link issues impact operations
- Practical field perspectives on single-mode and multimode fiber
- Common drivers of communication loss, degradation, and intermittent faults
- Distinguishing between issues OT teams can diagnose in the field and those requiring contractor repair
Safe Handling, Inspection, and Cleaning Protocols
- Eye safety, laser safety, and the secure use of fiber testing equipment
- Correct handling of patch cords, connectors, ports, and jumpers
- Examining connector end faces for dirt, contamination, or physical damage
- Properly cleaning connectors and verifying readiness for retesting
Essential Diagnostic Instruments
- Utilizing a visual fault locator to detect visible breaks and severe bends
- Using an optical power meter and light source to verify signal presence and basic loss
- Employing an inspection scope to assess connector condition prior to testing
- OTDR familiarity - interpreting results, understanding what it reveals, and knowing when to escalate for OTDR testing
Practical Troubleshooting Process
- Verifying symptoms and collecting relevant data from the affected link
- Implementing a check, inspect, clean, and retest approach
- Isolating probable causes such as dirty connectors, excessive loss, macro bends, or fiber breaks
- Differentiating likely fiber problems from port, transceiver, or device-related issues
Field Scenarios, Documentation, and Escalation
- Diagnosing 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
- Recognizing when to cease testing and escalate for repair or specialized diagnostics
Hands-on Practice and Debrief
- Guided exercises based on typical OT fiber fault scenarios
- Applying the complete troubleshooting workflow from symptom identification to escalation decision
- Reviewing best practices, common errors, and subsequent steps
Requirements
- A foundational understanding of network infrastructure and communication links
- Some experience diagnosing network or OT communication issues in the field
- Basic hands-on familiarity with cabling, ports, and network devices
Audience
- OT technicians
- Network and communications support personnel
- Field staff responsible for initial fiber issue diagnosis
7 Hours
