Hitachi Cable Manchester Utilizes Corning's OM4 Fiber

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Hitachi Cable Manchester (HCM) continues to be a leader in fiber optic cable development with utilization of new Fiber capable of 10 gigabit Ethernet out to 550 meters

With the approval of EIA/TIA 492AAAD grade multimode fiber, enhanced versions of OM3 50 micron optical fiber will now carry the designation of OM4. Though frequently used in the past as the defacto nomenclature for enhanced OM3 glass, the OM4 designation, which identifies 50-micron glass capable of 10 gigabit Ethernet out to 550 meters, will more clearly identify cable performance levels. HCM uses Corning optical glass for all its standard products. All HCM fiber optic cable constructions will be available with Corning's OM4 fiber optic glass.

The OM1, OM2 and OM3 fiber nomenclature originated in the ISO / IEC-11801, second edition standard and is presently being adopted into TIA and other standards. It is expected that the OM4 term will be used in upcoming releases of ISO / IEC documents.

To learn more about HCM's fiber optic cables, please visit the cable manufacturer's website.

About HCM

HCM, located in Manchester, NH manufacturers a complete line of copper and fiber optic cables for the communication industry. In addition to Category 5e cables, products include Category 6 and 6A cables, outdoor Category 5e and 6 cables, indoor and outdoor fiber optic cables, armored fiber optic cables as well as plenum-rated indoor/outdoor fiber optic cables. HCM also offers an extensive list of both round and flat electronic cables. Over 3,300 different cable products are manufactured at this facility.

To learn more about HCM products and where you can purchase them, please contact HCM toll free at 800-772-0116 or visit the HCM website at


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Steven Kenney
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