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Paper Abstract and Keywords
Presentation 2013-03-08 11:25
Lightning surge voltage characteristics between the ports of telecommunications equipment for FTTH service
Mikio Shintaku, Toshihisa Masuda, Kazuaki Yano, Yasuhiro Honma, Jun Kato (NTT) EMCJ2012-128
Abstract (in Japanese) (See Japanese page) 
(in English) In recent years, many faults of telecommunications equipment which have multiple telecommunication ports such as Home Gate Way(HGW) due to lightning surges are reported. As the results of replacing external metal cables to optical fiber cables, we assumed that the number of faults due to lightning surges will be significantly reduced because the induction path of the lightning surge will be only ac mains ports of the equipment. However, the numbers of faults are not reduced perceptibly. One of the reasons of that is considered that there are two different phase ac power lines in Japanese houses and surge voltages can be occurred between ports of the HGW to which connected other equipment e.g. PC or FAX supplied ac powers by the different phase power line from that of the HGW. As the result of current study, mechanisms of the faults due to surge voltages at telecommunication ports had been shown but the voltage characteristics between the ports of the HGW are not clarified. In this study, we report the measured surge voltage characteristics between the ac power, telecommunication and LAN ports of the HGW connected with Information and Communication Technology(ICT) equipment that installed in a single phase power line, and the risk of faults due to lightning surges can be increased.
Keyword (in Japanese) (See Japanese page) 
(in English) Lightning surge / lightning protection / voltage characteristics / / / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 468, EMCJ2012-128, pp. 31-36, March 2013.
Paper # EMCJ2012-128 
Date of Issue 2013-03-01 (EMCJ) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee EMCJ ITE-BCT  
Conference Date 2013-03-08 - 2013-03-08 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Broadcast, EMC, etc. 
Paper Information
Registration To EMCJ 
Conference Code 2013-03-EMCJ-BCT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Lightning surge voltage characteristics between the ports of telecommunications equipment for FTTH service 
Sub Title (in English)  
Keyword(1) Lightning surge  
Keyword(2) lightning protection  
Keyword(3) voltage characteristics  
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1st Author's Name Mikio Shintaku  
1st Author's Affiliation NIPPON TELEGRAPH AND TELEPHONE CORPORATION (NTT)
2nd Author's Name Toshihisa Masuda  
2nd Author's Affiliation NIPPON TELEGRAPH AND TELEPHONE CORPORATION (NTT)
3rd Author's Name Kazuaki Yano  
3rd Author's Affiliation NIPPON TELEGRAPH AND TELEPHONE CORPORATION (NTT)
4th Author's Name Yasuhiro Honma  
4th Author's Affiliation NIPPON TELEGRAPH AND TELEPHONE CORPORATION (NTT)
5th Author's Name Jun Kato  
5th Author's Affiliation NIPPON TELEGRAPH AND TELEPHONE CORPORATION (NTT)
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Speaker Author-1 
Date Time 2013-03-08 11:25:00 
Presentation Time 20 minutes 
Registration for EMCJ 
Paper # EMCJ2012-128 
Volume (vol) vol.112 
Number (no) no.468 
Page pp.31-36 
#Pages 6 
Date of Issue 2013-03-01 (EMCJ) 

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