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Course Outline
Fiber Basics for OT Troubleshooting
- The role of fiber in OT environments and the operational impact of link issues
- Understanding single-mode and multimode fiber in practical field contexts
- Identifying 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
- Adhering to eye and laser safety standards and using fiber test tools safely
- Proper handling of patch cords, connectors, ports, and jumpers
- Inspecting connector end faces for dirt, contamination, and physical damage
- Cleaning connectors correctly and verifying readiness for retesting
Essential Diagnostic Tools
- Using a visual fault locator to detect visible breaks and severe bends
- Employing an optical power meter and light source to verify signal presence and basic loss
- Utilizing an inspection scope to assess connector condition prior to testing
- OTDR awareness: interpreting basic results 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 fiber breaks
- Differentiating fiber-related problems from port, transceiver, or device issues
Field Scenarios, Documentation, and Escalation
- Addressing scenarios involving no link, intermittent communication, and high attenuation
- Recording test results and observations in a clear field report
- Effectively communicating findings to internal support teams or external contractors
- Knowing when to cease testing and escalate for repair or specialist diagnostics
Hands-On Practice and Review
- Guided exercises based on typical OT fiber fault scenarios
- Applying the full troubleshooting workflow from symptom identification to escalation decision
- Reviewing best practices, common mistakes, and next steps
Requirements
- A fundamental understanding of network infrastructure and communication links.
- Prior experience in troubleshooting network or OT communication issues in field environments.
- Basic hands-on proficiency with cabling, ports, and network devices.
Target Audience
- OT technicians
- Network and communications support staff
- Field personnel responsible for first-line fiber issue diagnosis
7 Hours
