Notes on how a buying team writes an optical brief. They are checklists, not a catalog and not a factory endorsement.
2026-11-12
A procurement manager shares how a bad batch of cheap 100G MMF optical transceivers turned into a $4,800 mistake — and the TCO framework he built to avoid repeating it when sourcing PAM4 modules from wholesale factories.
Read the note2026-11-12
After six years of tracking 100G and PAM4 optical transceiver spend, I stopped ranking wholesale quotes by unit price. The cheapest MMF module quote is usually the most expensive order once MOQ, validation, burn-in, warranty, and payment terms are in the sheet. Here is the total-cost checklist I use now.
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