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transceiver-db/sync/history/2026-05-09-copper-dac-reach-details-and-api-semantics.md
Rene Fichtmueller fc18b00157 fix: verify copper cable semantics
2026-05-09 16:55:50 +02:00

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Copper DAC Reach Details And API Semantics

Date: 2026-05-09 Actor: Codex Scope: Copper/DAC/Twinax rows, ATGBICS parser, comparable-product API Mode: DB-only correction plus tiny API/scraper deploy

Why

Many remaining highspeed "missing wavelength" and detail gaps were not optical transceiver gaps. They were Copper/DAC/Twinax cable rows. These products do not have optical wavelengths and should be represented with wavelengths=N/A, concrete cable length, and cable category.

DB Correction

Precheck:

  • Copper rows missing reach label: 464
  • Copper rows missing reach meters: 467
  • Copper rows missing details: 498

Found deterministic length evidence in part number or product URL for 342 rows.

Updated those rows:

  • reach_label
  • reach_meters
  • wavelengths=N/A
  • cable category
  • details_verified=true when a product source URL existed

Corrected 78 ATGBICS OSFP cable rows parsed as SFP.

Postcheck:

  • Copper rows missing reach label: 122
  • Copper rows missing reach meters: 125
  • Copper rows missing details: 158

Code Changes

packages/scraper/src/scrapers/atgbics.ts:

  • detect OSFP before SFP
  • parse decimal meter/kilometer reach such as 0.5m, 1.5m, 2.5m, 30m, 2km
  • keep Copper/DAC/Twinax/Base-T/RJ45 wavelengths=N/A

packages/api/src/routes/transceivers.ts:

  • allow Copper/DAC/CU comparable products to match each other with wavelengths=N/A
  • keep numeric wavelength requirement for optical comparable products

Deployment

  • synced scraper to active /opt/tip
  • pnpm -C packages/scraper build passed
  • synced API route to active /opt/tip
  • pnpm -C packages/api build passed
  • restarted tip-api

Result

Global counters:

  • details_verified: 11085 -> 11425
  • fully_verified: 9861 -> 10170

Selected vendors:

  • ATGBICS: details 7656/8269, fully 7646/8269
  • NADDOD: details 726/748, fully 726/748
  • QSFPTEK: details 165/201, fully 140/201
  • FS.COM: details 373/383, fully 300/383
  • Flexoptix: details 626/744, fully 622/744
  • GAO Tek: details 127/414, fully 2/414

Health

Public TIP health after restart:

  • status: healthy
  • load status: ok
  • memory used: 13%

Training Note

TIPLLM should treat Copper/DAC/Twinax products as cable products. They need length, endpoints/form factor, speed, price/image/source evidence, and wavelengths=N/A; they must not be forced into optical wavelength rules.