OM3 and OM4 utilize a core that is 50 microns in diameter. However, you cannot mix and match OM1 with OM3 and OM4 due to the difference in. OM1 fiber optic cable has a glass core that is 62. If you are removing OM1 cable and installing OM3 or OM4, then these can be used. Some fiber users have expressed fear about using lasers vs. It also lists the key technical requirements for each type. These differences include the maximum distance and speed. The most common multimode classifications— OM1, OM2, OM3, and OM4 —each serve different performance and distance requirements. What Is Multimode Fiber? Multimode.
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