I n t e r n a t i o n a l T e l e c o m m u n i c a t i o n U n i o n ITU-T G.657 TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU (12/2006) SERIES G: TRANSMISSION SYSTEMS AND MEDIA, DIGITAL SYSTEMS AND NETWORKS Transmission media and optical systems characteristics – Optical fibre cables Characteristics of a bending loss insensitive single mode optical fibre and cable for the access ne