JDSU
The JDSU OLP-57 is a portable optical power meter designed for testing FTTx/PON/BPON/EPON/GPON networks. The JDSU OLP-57 operates at wavelengths of 1310, 1490, and 1550 nm. The JDSU OLP-57 is designed to be inserted into the break of a working network.[1]

Plate 01JDSU OLP-57 Selective Optical Power Meter
The JDSU OLP-57 is a portable optical power meter. The instrument is designed for testing fiber-to-the-x (FTTx) networks, including passive optical networks (PONs) such as BPON, EPON, and GPON. The OLP-57 measures optical power at three specific wavelengths: 1310 nm, 1490 nm, and 1550 nm.[1]
The JDSU OLP-57 operates by being inserted into the break of a working optical network, a configuration known as in-line or through-mode measurement. The instrument introduces an insertion loss of between 1.5 dB and 2 dB. The power measurement range of the OLP-57 spans from −50 dBm to +26 dBm, depending on the wavelength being measured. The measurement error of the device is between 0.5 dB and 0.8 dB.[1]
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The JDSU OLP-57 measures wavelengths of 1310 nm, 1490 nm, and 1550 nm.[1]
The insertion loss of the JDSU OLP-57 is between 1.5 dB and 2 dB.[1]
The power measurement range of the JDSU OLP-57 is −50 dBm to +26 dBm, depending on the wavelength.[1]
The measurement error of the JDSU OLP-57 is between 0.5 dB and 0.8 dB.[1]
The JDSU OLP-57 is designed for testing FTTx networks, including BPON, EPON, and GPON networks.[1]
The following facts about the OLP-57 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 OLP-57 are on record.
Answerable by: OEM historical records or a trade-press announcement
No publicly documented variants, configuration options, or revision breakpoints of the OLP-57 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 OLP-57 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 OLP-57 are on record.
Answerable by: a field service engineer, process engineer, or maintenance technician
The process node or technology generation of the OLP-57 is not on record.
Answerable by: an OEM datasheet or a fab qualification report
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Last updated Oct 8, 2026.
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