JDSU
The JDSU OIM-400 is a fiber optical microscope with 400x magnification. The JDSU OIM-400 features LED illumination of the fiber end and a built-in active fiber emission filter. The JDSU OIM-400 has a battery life of 30 hours.[1]

Node / era
Fiber Optical Microscope
Optics
400x[1]
Fiber optic microscopes are optical inspection instruments used to examine the end faces of fiber optic connectors. The JDSU OIM-400 is a portable fiber optic microscope designed for field and lab use.
Fiber optic microscopes use a lens system to magnify the end face of a fiber optic connector. An LED light source illuminates the fiber end. An active fiber emission filter blocks potentially harmful laser light from the fiber, enabling safer viewing under normal operating conditions. The user views the magnified image through an eyepiece.
The primary application of the JDSU OIM-400 is the inspection of fiber optic connector end faces in telecommunications and data center environments. Common defects detected include scratches, pits, cracks, and contamination such as dirt or oil. The microscope aids in quality assurance for fusion splicing and connector termination.
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The JDSU OIM-400 offers a magnification of 400x.[1]
The battery provides up to 30 hours of operation.[1]
Yes, the microscope features LED illumination of the fiber end face.[1]
No, the image is not saved to a computer.[1]
The microscope accepts interchangeable nozzles to connect to popular patch cords and patch panels.[1]
The following facts about the OIM-400 are absent from this record as of this revision. First-hand knowledge or a citation closes a gap; every submission is reviewed before publication.
No publicly documented production dates or lifecycle milestones (introduction, end of production, EOL) for the OIM-400 are on record.
Answerable by: OEM historical records or a trade-press announcement
No publicly documented variants, configuration options, or revision breakpoints of the OIM-400 are on record.
Answerable by: an OEM product catalog or an engineer who ordered or specified the tool
The control-system platform and OS era of the OIM-400 are not on record.
Answerable by: an engineer who operated it or OEM installation records
No publicly documented failure modes or field errata for the OIM-400 are on record.
Answerable by: a field service engineer, process engineer, or maintenance technician
No publicly documented compatible parts, consumables, or accessories for the OIM-400 are on record.
Answerable by: an OEM parts catalog or a service engineer
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Last updated Oct 8, 2026.
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