The DPIOA series cables are precision optical fibre cables in an indoor/outdoor rated PVC construction for installation within dwellings or exterior environments that require an OFCP listing. In addition to the inner jacket, the DRIOA series has an interlocking armour layer and additional outer jacket for added strength and protection. The optical fibres can be specified from 9u single-mode, 62.5u OM1 multi-mode, or 50u OM2, OM3 or OM4 multi-mode grade fibres. The DPIOA series is available in six through twenty-four strand versions.