TEST: Ask FOC

When Testing for Traffic With a Fiber Identifier on a Bidirectional Fiber Does the Fiber Identifier Show Traffic Both Ways?

QUESTION: When testing for traffic with a fiber identifier on a bidirectional fiber does the fiber identifier show traffic both ways?   ANSWER: When testing for traffic with a fiber identifier on a bidirectional fiber, a fiber identifier can indicate the...
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Assistance With Selecting Instrument To Measure Multi-channel IL and RL Both For Single Mode and Multimode

QUESTION: We are a small fiber optic cable assembly house, presently making single fiber, FC and LC jumpers. We plan to expand into multi-fiber Cable assemblies, with up to 24 fibres. We will need an instrument to measure multi-channel IL and RL both for...
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How Critical Calibration Is to Reproducible Design Goals of Optical Fiber Preforms

QUESTION: How critical is calibration to reproducible design goals of optical fiber preforms?   ANSWER: It’s absolutely essential that your process pyrometer is calibrated. Calibration is critical – a reproducible process depends on accurate...
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What Is the Highest Capacity Fiber Count an OCETS Can Handle?

QUESTION: What is the highest capacity fiber count an OCETS can handle?   ANSWER: The practical limit to the size of an OCETS system is the cycle time, generally required to be less than 20 mins, with more than about 200 channels this might be...
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OCETS: How Do I Configure the Software to Work With the Chamber?

QUESTION: OCETS: How do I configure the software to work with the chamber?   ANSWER: There are software tools within OCETS which interface it to all recent Espec and Thermotron chambers to read temperature and humidity and with the addition of a probe, OCETS...
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Can I Modify the Software for Viavi OCETS?

QUESTION: Can I modify the software for Viavi OCETS?   ANSWER: No, OCETS results will be accepted by certifying authorities, the software is locked down to avoid “errors”.   ADDITIONAL CONTENT & RESOURCES: Category Resource: FOC Test...
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Regarding OCETS, Does Viavi Supply the Chamber?

QUESTION: Regarding OCETS, does Viavi supply the chamber? ANSWER: No, Viavi does not supply the chamber for OCETS. Chambers have complex power and water supply requirements and it is preferred to deal directly with the manufacturer.   ADDITIONAL CONTENT...
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How Do I Know I Need OCETS?

QUESTION: How do I know I need OCETS?   ANSWER: If you need formal Telcordia of Verizon certification, Optical measurements during several temperature and humidity challenges will be required, OCETS is the accepted industry standard tool for...
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IL Effect of Return Loss Clarification

QUESTION: In looking up the IL effect of Return Loss, I found definitions in your FOC Glossary (https://focenter.com/foc-glossary/) for IL, IL/RL, RL. In addition to these definitions: Insertion Loss: The ratio between the power received at a specified load...
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Failures on the Total Co-planarity and Fiber Line on MT Interferometric Test

QUESTION:We are seeing some failures on the total co-planarity and fiber line on some of our MT interferometric test. Some in the industry have commented these items are not included in the standard and they even don´t know what do they mean. Could you please...
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