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The Architect Cabling is a Architect Technology found in a small cave in the Arctic Spires. It is a damaged portion of the cabling network that leads to the Arctic Spires Cache.

Data Bank Entry

Architect Cabling

These high-density Architect cabling structures have been discovered running between various sites of known Architect activity on 4546B. The cable housing contains what are effectively a form of multi-mode fiber optic communication networks, physically shielded by a microscopic layer of pressed diamond dust.

Source: Scan the broken Architect Cabling in a cave in the Arctic Spires