South East Asia–Middle East–Western Europe 4 (SEA-ME-WE 4) is an optical fibre submarine communications cable system that carries telecommunications between Singapore, Malaysia, Thailand, Bangladesh, India, Sri Lanka, Pakistan, United Arab Emirates, Saudi Arabia, Egypt . South East Asia–Middle East–Western Europe 4 (SEA-ME-WE 4) is an optical fibre submarine communications cable system that carries telecommunications between Singapore, Malaysia, Thailand, Bangladesh, India, Sri Lanka, Pakistan, United Arab Emirates, Saudi Arabia, Egypt . competitive manufacturer here, in the US. We've built our production site from scratch in Arlington, Texas, set the bar in the industry for long-term reliable per ormance and now we are rapidly developing. I strongly believe that Incab Europe is a great partner and resource when it comes to. This standard specifies the requirements for the bare optical fiber (the hair-thin glass strand) before it is put into a cable. Why it matters: It dictates the bandwidth and attenuation (signal loss). Common Sub-standards: IEC 60793-2-10: Specifies Multimode Fibers (A1a = OM3/OM4). IEC 60793-2-50:. SEA-ME-WE3 or South-East Asia - Middle East - Western Europe 3 was an optical submarine telecommunications cable linking those regions and is the longest in the world.