Design and Characteristics of Aerial Optical Drop Cable with Electric Power Wires

Yasuji MURAKAMI  Kimio ANDOU  Kouji SHINO  Toshiaki KATAGIRI  Satomi HATANO  

Publication
IEICE TRANSACTIONS on Communications   Vol.E83-B   No.1   pp.38-46
Publication Date: 2000/01/25
Online ISSN: 
DOI: 
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Communication Cable and Wave Guides
Keyword: 
π-system,  aerial optical fiber cables,  cable strength design,  

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Summary: 
This paper reports the design and characteristics of an aerial optical drop cable incorporating electric power wires, which was developed for a new π-system. The new system is called the power supply HUB π-system, in which commercial AC electric power is received at a central location of several optical network units (ONUs), and is distributed to each ONU by the aerial optical/electric drop cable. We describe the requirements for the cable, which guarantee a 20-year lifetime. We designed the cross-sectional structure of the cable, based on system requirements and operation requirements, and determined the strength wire type and diameter, based on the optical fiber failure prediction theory and a cable strain requirement. We confirmed that the cables, manufactured as a trial, have stable characteristics, which satisfy the above requirements. The optical/electric drop cables will be introduced in autumn 1999.