Fiber Optic Link Test Analysis and Diagnostics
Analyze fiber links, diagnose faults, generate compliant test reports
What You Can Do
You can upload OTDR traces, power measurements, and optical test data to receive expert analysis of fiber link health, rapid fault diagnostics, and fully formatted test reports that meet industry standards. The skill interprets complex optical test data, identifies root causes of signal degradation, and generates documentation ready for compliance and customer delivery.
Features
Interpret Optical Time-Domain Reflectometer traces to identify fiber faults, reflective events, splice losses, and attenuation patterns
Evaluate received power (Rx), transmitted power (Tx), and optical loss budgets against specification limits
Pinpoint the exact distance and nature of breaks, bends, poor splices, or contamination along the fiber route
Create industry-standard test reports (IEC, TIA/EIA, ITU formats) with measurements, findings, and recommendations
Compare measured values against design specifications and performance thresholds to flag out-of-spec conditions
Analyze test anomalies to determine underlying causes (fiber degradation, environmental factors, installation defects, equipment malfunction)
Compare current test results to historical baselines to detect performance degradation over time
Example Output
Example 1: OTDR Trace Analysis Report
- Event at 2.3 km: Reflective spike indicates potential poor splice. Measured loss 0.18 dB. Recommend re-splicing.
- Attenuation 0-5 km: 0.22 dB/km (within spec 0.25 dB/km)
- Overall link loss: 1.8 dB measured vs 2.1 dB budgeted. Status: PASS
- Recommendation: Schedule preventive inspection at 2.3 km within 90 days.
Example 2: Power Budget Analysis
| Parameter | Measured | Specification | Margin | Status |
|---|---|---|---|---|
| Tx Power | +5.2 dBm | +4 to +6 dBm | +0.2 dB | PASS |
| Rx Power | -18.5 dBm | >= -20 dBm | 1.5 dB | PASS |
| Optical Loss | 23.7 dB | <= 24 dB | 0.3 dB margin | PASS |
Example 3: Fault Diagnosis
- Symptom: Intermittent signal loss every 4 hours, power drop 2-3 dB
- Analysis: OTDR shows micro-bend at 8.7 km, stress-induced by temperature cycling
- Root Cause: Inadequate bend radius protection in underground splice box
- Action: Replace conduit coupling, re-test after thermal stabilization
What's Included
- OTDR Trace Parser: Upload .sor, .trc, or .csv OTDR files and receive structured analysis of distance, loss, reflectance, and events
- Power Measurement Validator: Input Rx, Tx, and loss values with specification limits to generate pass/fail assessment and margin reports
- Compliance Report Templates: Pre-formatted markdown/HTML templates for TIA-568, IEC-61746, and ITU-G.650 compliant test documentation
- Fault Diagnosis Engine: Receive pattern recognition and root cause analysis for common fiber faults (breaks, bends, splices, contamination)
- Historical Trend Comparison: Compare current results to baseline measurements to detect performance degradation and schedule maintenance
Who It's For
- Fiber Optic Technicians
- Network Installation and Commissioning Teams
- Telecom Field Engineers
- Data Center Infrastructure Teams
- Optical Network Maintenance Specialists
Best For
- Troubleshooting failed fiber links on live networks
- Generating customer-ready compliance reports for new installations
- Analyzing OTDR traces from remote test equipment
- Detecting gradual fiber degradation before service impact
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