No.657 Prioritizes bend enhancement Not required meet ITU Recommendation G.D compliant IImproved bend loss and dimensional requirements Specified radii low ITU-T G. 0. Spec.D Increased bend tolerance Specified radii low 7.657. Spec. No.652.652 compliant
Fibre
Eecommendation ITU G.1 0,5 No.D (1625nm) 0.657.657. 0.A-C
Tree categories single-mode optical fibre cable which are suitable for use the access and FTTH networks: ITU-T G.C Corning® Clear CurveTM (1550nm) No.657 developed
Bend radius Turns G.75 No.Singlemode fibre
Application spaces for Singlemode fibres
FTTH-Inhouse Bend optimised Singlemode fibre G.657.5 New table proposed –Category (or possibly Table B.1 Not Required
Informations
30 7,5 5,0 G.B (1550nm) No. Spec.
U-145
Accessories
Systems
Fibre optic
Copper unscreened
Copper screened
Communication technology
.652.652.657. G.03 0,05 0.2 new column within G. Spec. Spec. Required G. Spec.657.B) Prioritizes superior bend performance Specified radii low mm; like G. Spec. Not Required G.652.657 Prioritizes backward compatibility ITU Recommendation G.A (1550nm) No. Spec. Spec.1 No.B, does not need G. No.D Compliance
100 1
Technical changes reserved. 0
