Multicore and symmetrical pair/quad cables for broadband digital communications (high bit rate digital access telecommunication networks) - Outside plant cables - Part 2: Unfilled cables - Sectional specification
This sectional specification relates to IEC 62255-1.This standard is applicable to unfilled cables having a metallic screen over the cable core, apolyethylene jacket, copper conductors, and solid or cellular insulation. An inner polyethylenejacket under the metallic screen may be provided. These cables are typically available in 6 to300 pair.These cables are suitable for installation into ducts or installed aerially by lashing to a supportstrand or by being self-supporting. The self-supporting properties may be achieved by utilizing agalvanized steel strength member or by an integral or multi-layers of glass or synthetic reinforcingmembers.The cables covere