Tag Archives: OSFP DR4

What do the suffixes “SR8, DR4, xDR4 FR4 and 2FR4” stand for OSFP Modules?

The letters are reach specifications, and the number refers to the number of optical channels: Description Connector Type SR8: “SR” refers to 100m reach using multi-mode fiber, and “8” implies there are 8 optical channels. Each of the 8 optical channels from an SR8 module are carried on separate fibers, resulting in a total of […]

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