10 Gigabit Ethernet Fiber Optical Cabling
The standard transmission rate in data centers
10 Gbit/s still represents the most frequent transmission rate found in data centers. Using multimode cabling, the short-range mode is the IEEE-approved standard. A fiber optic duplex cable with LC connector is used as interface to active equipment (Switch/Server/Router) enabling parallel transmission of 10 Gbit/s per pair of fibers. According to EN 50173, several patching points are required for cabling between different layers (Core, Aggregation, Access). Here, the active device is connected with the backbone trunk cable using an LC duplex cable on a patchbox. In total, up to 72 ports per 1 rack unit (19”) can be connected this way. Together with different subracks, pre-fabricated trunk cables offer considerable advantages during installation. Subracks also enable flexible scaling of the individual blades of the router.
Cabling with LC duplex cables mainly offers the advantage of easy plugging properties. However, there may be disadvantages of this type of trunk cabling due to the limited bandwidth for higher transmission rates. Future-proof trunk cabling requires, thus, multi-fiber cabling (preferably Base-8) that is suitable for faster transmission standards. Such cabling can be realized with MPO or URM NG connectors.
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