Backbone cabling provides high-capacity interconnections between entrance facilities, equipment rooms, and telecommunications rooms. It typically consists of fiber optic or high-performance copper cabling, supporting gigabit and terabit speeds for large-scale enterprise networks. Property networks In businesses and homes, traditio-nally has been built with twisted copper cable, LAN cable of the type CAT 5, 6 or 7. Discover how these fusion-spliced, field-installable connectors simplify installation and improve performance. Fiber-Enabled Solutions for Utility. Eland Cables supplies a range of fibre optic cables for both indoor and outdoor installations.