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BOM workflow
This page is a traceable way to compare a fiber optic power meter kit. It is a procurement worksheet, not an environmental program. Each accessory, certificate, and freight line keeps its own row so a body price cannot hide a missing source.
Manufacturer, model, detector type if stated, calibrated wavelengths, and power range in dBm. Measurement accuracy must cite the wavelength and temperature on the datasheet, such as a requested check at 1310 nm and 23 °C. Do not paste a ±0.2 dB figure from a different model into this row.
If the kit includes a light source, give its wavelengths and connector. A 650 nm visual fault locator is a different row. It does not fill the dBm column. Leaving the source blank is allowed when the buyer already owns a source. The blank must be explicit.
List FC, SC, ST, LC, 2.5 mm, and 1.25 mm pieces with quantities. A universal interface on the meter body is not the same as a pouch of adapters. Patch-cord length and fiber mode belong here when the reference method needs a cord of a stated length.
Calibration traceability, the date basis, Incoterm, currency, and whether the budget is per unit or whole order. Software, spare batteries, and duties are exclusions until a factory prices them. There is no upload control. The buyer pastes the row text into the form.
| Open choice | Keep the named kit when | Allow an alternate when | Still verify |
|---|---|---|---|
| Wavelength set | The procedure names exact nanometres | The alternate sheet lists those same points as calibrated | Selectable is not calibrated |
| Power window | The port can exceed a standard detector | The alternate states the upper dBm limit | +10 dBm versus +26 dBm |
| Condition | The procedure wants unused adapters | Refurbished condition and remaining months are written | Certificate serial link |
| Companion | Loss tests need a matched source | The buyer source is already accepted | Source wavelength and connector |
A single-mode kit argument is the 1310 nm and 1550 nm pair, sometimes 1490 nm or 1625 nm, for a plant the designer ties to a single-mode fibre recommendation. The ITU-T recommendations catalog accessed 2026-10-27 supplies question context only. A multimode kit argument is the 850 nm and 1300 nm pair for shorter hall links. Putting both in one case is a third commercial choice. It is valid only when both calibrations are on the meter row. Dispersion and return loss still do not move onto this BOM.
New kits may include unused adapters and a certificate dated at dispatch. Refurbished kits may match a legacy connector set if the seller states remaining calibration months and which adapters are missing. LinkScope Sourcing 04 does not call either option authorized. OEM-coded packaging versus an unmarked compatible pair is the same kind of split: keep the named maker when the procedure audits that name, and allow a compatible pair only after wavelengths, range, and connectors are on the alternate datasheet.
The buyer, not this desk, can repeat a basic intake. Confirm the model string against the datasheet revision. Set the meter to a calibrated wavelength that the source also emits. Follow the source warm-up the source sheet prints, often questioned as a number of minutes rather than assumed. Record a one-cord or two-cord reference exactly as the buyer procedure states. Read dBm, then note adapter changes as separate readings. That sequence checks identity and setup. It does not certify insertion loss for a live span, and it does not replace an accredited calibration.
The workflow does not calculate optical budget. It does not prove receiver sensitivity or transmit power of a transceiver. It does not assign a data rate. A photo of a kit is not a serial-linked certificate. High-power ports can saturate a standard detector, so an unstated upper range is a block, not a minor note.
Wavelength list, upper dBm limit, adapter count, source inclusion, and certificate interval. Mark each as mandatory, preferred, or unknown. Unknown rows stay open. They are not filled with a family default.
Exact manufacturer and model, calibrated points, connector list, and the certificate rule. A shared case photo is not verification. Host compatibility with an existing OTDR, if the search mixed those tools, needs the trace unit datasheet as well.
One currency per comparison, with a per-unit or whole-order basis. An optional ceiling is the buyer context. Factories still quote their own prices. The ceiling is not published here as a market rate.
Body, source, adapters, certificate, and freight remain separate until the buyer asks for one landed total and every factory has priced the same Incoterm. Collapsing early is how a kit-for-sale headline hides scope.
Paste the meter row and the companion rows into the requirements box. Quantity and destination are mandatory for a comparable answer. LinkScope Sourcing 04 will not add lines you left blank.
The worksheet ends at quote coordination. Acceptance, reference cords, and on-site loss limits stay with the buyer procedure.