Path to purchase
Start from the job, not from a catalog photo. A PM fiber optical switch on a sensor line, a protection span, or a lab tree needs a different port map and a different spare loss. LinkScope Sourcing 06 turns that job into fields a factory can answer without guessing the site.
Name the topology, the installed fiber, the connector already on the panel, and the stage when the switch must arrive relative to the splice window.
A 1x2 latching switch can move traffic between a working route and a protect route. Record reach, wavelength, and the optical budget after connectors. Single-mode plant, often discussed against ITU-T G.652 or G.657 bend performance, is the usual choice when the span is long. Multimode is a different argument and belongs on short jumper jobs, not on this span by default.
Interferometers and some distributed sensors care about the slow axis. Write the PM fiber type, the extinction ratio the instrument needs, and the connector key. Insertion loss still matters, but a low-loss standard switch that scrambles polarization is the wrong family even when the dB number looks attractive on a non-PM sheet.
A 1x4 or 1x8 tree feeds an OTDR or a power meter. Channel count, switching time, and repeatability are the buyer questions. Receiver sensitivity of the instrument is not a property of the switch. Keep the instrument model in the note so the factory does not treat the tree as a traffic switch.
Site constraints to confirm: rack unit or DIN space, supply voltage, ambient temperature, whether the cabinet is outdoors, and who may approve a deviation during the splice window. Delivery stages can be a sample piece, a pilot quantity, then the balance. Say which stage needs the datasheet before the next release. A new unit may offer a clearer support path. A refurbished unit may cover a legacy port map when condition, remaining support, and the exact test sheet are verified. Those are opposing buying arguments, and neither one is assumed here.
Worked site note, not a finished installation: a utility asks for eight PM channels at 1550 nm into one monitoring port, FC/APC, quantity 12 pieces, destination a Utah yard, timing before the outage date written on the form. The desk asks factories for loss per channel, extinction, and whether the control lead is included. The buyer compares those replies. This page does not award the yard to any factory.
Related cards sit on the product inquiry list. The brief article lists the evidence columns in table form.
Write protection, sensing, or test access in the opening line. Add the host equipment if the switch sits in front of a transceiver, an amplifier, or an instrument. Host compatibility is a question for that pair, not a logo match.
Current datasheet, connector drawing, and the test sheet for insertion loss and return loss. If the path is PM, add the extinction measurement condition. Packing for a US dock, incoming inspection, and who signs a deviation belong in the same package so a freight quote is not mistaken for technical acceptance.
Transmit power and dispersion describe the optical link around the switch. Ask the engineer for the spare optical budget in dB after the switch loss is subtracted. Do not ask the factory to invent a link design. The factory confirms its own loss at the stated wavelength.
Describe the job, the PM or single-mode plant, the quantity, and the US destination. The desk will use that text when it asks for quotations. It will not redraw the network.
Qualified buyer support
The desk can coordinate factory quotations for an industrial optical switch brief.
Eligible qualified business buyers may be reviewed for up to 3%.
Eligibility applies to qualified business buyers and is confirmed after we review your product, quantity, destination, and sourcing requirements.