It can be divided into three types: indoor trunk cable, indoor distribution cable and indoor relay cable. Generally, the indoor optical cables we see usually include the following types: vertical increase optical cables, single-core, dual-core interconnected indoor optical cables, optical cables for inflatable environments, and rodent-proof optical cables. The indoor trunk optical cable mainly provides the channel between the inside and outside of the building; and the indoor distribution optical cable and the indoor relay optical cable are used. This article provides a comprehensive breakdown of indoor optical cable types, technical specifications, and real-world application scenarios to help you make professional selections quickly. This article is originally written and published by ZORA – a leading fiber optic cable manufacturer with. What are the classifications and applications of indoor optical cables? What are the classifications and applications of indoor optical cables? (1) Vertical lifting cable (Riser) After the optical cable enters the building, it is necessary to provide the connection between the entrance equipment. The indoor optical cables of the compact single-core, compact 8-word double-core, compact 2-4-core circular structure are small in size, good in flexibility, which can withstand very small bending radius, and have no trace of inventory because of the use of the compact sleeve structure with very. It can be divided into three types: indoor backbone optical cable, indoor distribution optical cable, and indoor relay optical cable.