Harsh heat can degrade normal fiber optic cables, causing downtime, data loss, or expensive replacements. As a trusted provider of optical communication solutions, Weunion offers a range of high-quality optical fibers engineered for diverse thermal conditions—from frigid polar regions to scorching industrial settings. Length: from 20 m to 100 m depending on the buffer type (up to +500 °C), or 2 m maximum at +1000 °C. But how do high-temperature resistant fiber optic cables survive and continue to perform reliably under. Armored Duplex Fiber Patch Cables, OM4 and OM3 Fiber Optical jumpers, 50/125 10G, 40G, 100G, OFNR Riser Rated Optic Cables. OS2 LC LC Duplex Fiber Patch Cable.