Lay a 10cm fine sand cushion at the bottom, and avoid sharp stones; Clear the duct with a rod before laying, pre-install a pulling rope, and apply silicone grease to reduce friction; Survey the pole span, install hoop steel bands and suspension fittings on the poles, and reserve. This comprehensive guide delves into the installation requirements, explores the two primary cable types—self-supporting and messenger-supported—and offers practical insights to ensure optimal performance in diverse environments. Where reels are supplied with protective material fitted over the cable, the protection should remain in place until the cable will be installed. There are three common laying methods for outdoor optical cables, namely: underground pipeline laying (that is, laying optical cables in underground pipelines), direct underground laying and overhead laying (that is, laying from utility poles to utility poles in the air. Pay close attention to the following five aspects： According to the laying method, operations differ: Excavate a trench with a depth ≥60cm; in frozen soil areas, the trench should.
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