Dr. Wayne Dyer. Cable Guyz. Cable Guyz on Facebook. Hubbell Premise Wiring. Hitachi OM4 Fiber Optic Cable. Media Inquiries: Steve Kenney Marketing Manager Email: (Contact) Phone: +1.603.669.4347, ext. 229 Manchester, NH September 15, 2009 - Hitachi Cable Manchester (HCM) continues to be a leader in fiber optic cable development.
With the approval of EIA/TIA 492AAAD grade multimode fiber, enhanced versions of OM3 50 µm optical fiber will now carry the designation of OM4.