U-145
Accessories
Systems
Fibre optic
Copper unscreened
Copper screened
Communication technology
.657.Singlemode fibre
Application spaces for Singlemode fibres
FTTH-Inhouse Bend optimised Singlemode fibre G.657.A (1550nm) No.B, does not need G.D (1625nm) 0. 0. 0. No. Spec.657.D compliant IImproved bend loss and dimensional requirements Specified radii low ITU-T G. Required G. Spec.B (1550nm) No. Spec. Spec. No.D Increased bend tolerance Specified radii low 7. Spec. 0.652. G. Spec. Spec.652.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. Not Required G. Spec.657 developed
Bend radius Turns G.1 Not Required
Informations
30 7,5 5,0 G.657.1 No.1 0,5 No.652.657 Prioritizes backward compatibility ITU Recommendation G. No.5 New table proposed –Category (or possibly Table B. Spec.B) Prioritizes superior bend performance Specified radii low mm; like G.03 0,05 0.657.652.75 No.D Compliance
100 1
Technical changes reserved.2 new column within G.652 compliant
Fibre
Eecommendation ITU G.657 Prioritizes bend enhancement Not required meet ITU Recommendation G.657