Look for the following specs before finalizing a cable: Fiber Type: Single-mode (SM) or Multi-mode (MM) Core Count: 6, 12, 24, or 48 Core – depending on data need Attenuation: Typically <0. 35 dB/km at 1310nm Jacket Material: HDPE, LSZH, or FRLS (fire-safe cables)Through two renowned commercial brands - Prysmian and Draka - based in almost 50 countries, we're constantly close to our customers, enabling them to further develop the world's energy and telecoms infrastructures, and achieve sustainable, profitable growth. In our energy business, we design. Different projects require different specifications: For Indian Railways, armoured single-mode loose tube cables are standard. Cables are supplied to a vari CEA, NF, SEN, re certified by BASEC, production and marketing sector of Viohalco S. The Company started its activities in 1950 as a Viohalco plant and in 1973 was incorporated as an independent subsidiary under the. 1. 1 Indian Railways uses 48 Fibre Optical Fibre Cable for Short haul and long haul communication. Standards & Voltage Rating: NR/PS/TEL/00014. Construction:. Access AFL's comprehensive product catalogs in PDF format—covering fiber optic cables, connectivity, fusion splicing, inspection tools, uprstream/downstream energy, enterprise, tactical, and more—organized by category for quick download and easy reference.