Multimode fiber systems continue to provide the most cost-effective cabling solutions for Data Centers, Local Area Networks (LANs), and 3 enterprise applications. Compared to single-mode fiber, multimode systems offer significantly lower costs for transceivers, connectors, and connector installation while meeting and exceeding the bandwidth and reliability requirements of the most demanding networks. If you’re designing a new short reach installation, you will probably choose laser-optimized 50 micron (µm) OM3 or OM4 multimode fiber. These fibers preserve the systems cost benefits over single-mode fiber by using low cost 850 nm laser technology, are capable of 10 Mb/s through 10 Gb/s operation, and will support upcoming 40 and 100 Gb/s speeds. But if you’re upgrading an existing system, many of which have 62.5 μm multimode already installed, should you stick with 62.5 μm? Or can you switch to the higher performance of 50 μm OM3 or OM4 fiber?|Multimode fiber systems continue to provide the most cost-effective cabling solutions for Data Centers, Local Area Networks (LANs), and 3 enterprise applications. Compared to single-mode fiber, multimode systems offer significantly lower costs for transceivers, connectors, and connector installation while meeting and exceeding the bandwidth and reliability requirements of the most demanding networks. If you’re designing a new short reach installation, you will probably choose laser-optimized 50 micron (µm) OM3 or OM4 multimode fiber. These fibers preserve the systems cost benefits over single-mode fiber by using low cost 850 nm laser technology, are capable of 10 Mb/s through 10 Gb/s operation, and will support upcoming 40 and 100 Gb/s speeds. But if you’re upgrading an existing system, many of which have 62.5 μm multimode already installed, should you stick with 62.5 μm? Or can you switch to the higher performance of 50 μm OM3 or OM4 fiber?

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