Installation of Fiber Backbone Cabling for Buildings – Part 4
On existing multimode backbones, supporting 40 Gbps and 100 Gbps may be achieved through the utilization of LC-to-MPO fanout that connects existing LC connectors of installed cabling to the MPO (Multi-fiber Push On) connector. LC cord ends are connected with LC couplers inside the shelf. MPO connectors are inserted inside the 40G or 100G transceiver. Since transceivers are invariably pinned, a fanout cord featuring an unpinned MPO connector is utilized.
Migrations to 40 Gbps or 100 Gbps on OM5 wideband multimode fiber can be easier and less expensive because it uses the same two fibers utilized for supporting a 10 Gbps backbone.
Utilizing pre-terminated MPO trunks can speed up the new installation process, provide factory-assembled performance, facilitate administration, and result in higher shelf and panel density. When there is a deployment of a building backbone using pre-terminated MPO trunks, MPO patch cords are utilized for connecting MPO connectors inside the installed cabling to MPO connectors within 40 Gbps or 100 Gbps equipment.
Since panel ports and transceivers are invariably pinned, MPO cords featuring unpinned MPO connectors are utilized. Although OM3 is the minimum recommendation, OM4 fiber is highly recommended to provide additional distance as well as connector pairs for a link. Clients who need more distance should study OM5’s overall benefits.
As there will be a continual increase of data rates in the horizontal that is demanded by applications like 802.11ac and wireless solutions, a backbone must be capable of supporting speeds of 40 Gbps or 100 Gbps to comfortably maintain a tenfold differential.
Developing a plan for seamlessly migrating to 100 Gbps and beyond will ensure that the backbone will be capable of supporting high-capacity wireless and emerging high-bandwidth applications. The proper installation of cabling today will lengthen the projected service life of structured cabling infrastructure and decrease the costs of upgrading as time passes.
Progressive Office Cabling
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