The distance between the telecommunications fiber optic cable and the equipment room is very far

When the distance between a fiber optic cable and the equipment room is very far, using fiber for backbone cabling is recommended, as it supports longer distances and higher bandwidth than copper.Maximum Distance GuidelinesFor horizontal cabling from a telecommunications room to the work area, the maximum distance is 90 meters (295 feet), regardless of cable type, with an additional 10 meters (33 feet) allowed for patch cords in the work area and wiring closet . If the distance exceeds this limit, fiber optic backbone cabling is typically used because it can handle much longer runs without signal degradation .Fiber Optic Backbone ConsiderationsFiber Types: Multimode fibers (OM3 or OM4, 50/125 µm) are preferred for high-speed networks, supporting gigabit and 10GbE connections over longer distances. Single-mode fiber can be used for even greater distances .Equipment Rooms: Backbone fiber connects the main equipment room (or main cross-connect) to intermediate telecommunications rooms (TRs) closer to end users. This ensures that horizontal cabling remains within the 90-meter limit .Telecommunications Rooms: For large buildings or areas exceeding 1,000 m² (10,000 ft²), additional TRs should be installed to reduce horizontal cable lengths and maintain performance .Design and Installation TipsPathways and Spaces: Use proper conduits, trays, or underfloor systems to route fiber safely and avoid bends that exceed the fiber's minimum bend radius .Environmental Considerations: Ensure TRs and equipment rooms have conditioned power, grounding, and adequate space for racks and patch panels .Future-Proofing: Plan for potential network upgrades by installing fiber that supports higher bandwidths and longer distances than currently required .SummaryIf the distance between the fiber optic cable and the equipment room is very far, the recommended approach is to use fiber optic backbone cabling to intermediate telecommunications rooms, keeping horizontal runs under 90 meters. Proper planning of pathways, room placement, and fiber type ensures reliable network performance and compliance with TIA standards .