- 12 x 250µm Micro high density multimode fibre Cables - Aramid strength members with double Low Smoke Zero Halogen jackets - Individual colour coded optical fibres - 50/125µm OM3 type fibre - Total immunity to electrical and electromagnetic interference (EMI) - Insertion Loss: <0.60dB Installing an OM3 optical fibre solution gives a simple migration path from 1Gbs to 10Gbs and the security of knowing the system will give many years of solid, secure service to your network. The MPO trunk assembly features the small, compact size of 3mm cable, providing a flexible ruggedised product with the addition of improved optical performance. The MPO trunk multicore cable assemblies facilitate rapid deployment of high density backbone cabling in data centres and other high fibre environments reducing network installation or reconfiguration time and cost.