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| Presentation | 2010-01-21 11:00 A Study on Immunity Requirements for Ethernet Ports of Telecommunication Equipments in Customer Premises Yuichiro Okugawa, Masakatsu Ogawa, Kentaro Mokushi, Kazuhiro Takaya, Kazuo Murakawa (NTT East Corp.)  EMCJ2009-101 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Immunity test methods for electronics equipments are specified in IEC 61000 series. Especially, the immunity requirements for telecommunication equipment concerning the test level and performance criteria of each port are specified in ITU-T Rec. K.43. Since ITU-T Rec. K43 focuses on the telecommunication equipments placed in telecommunication centers or customer premises for public telecommunication networks such as PSTN or ISDN, it may not be applied to the internal communication ports in terminal equipment such as an Ethernet port. Recently, video service typified by the re-broadcasting of digital terrestrial television has been provided by connecting a set-top box and a home gateway with an Ethernet cable. As video services are required low delay and low frame error rate to provide high quality service, such delay or frame error by electromagnetic disturbance may give strong influences on the user’s perception. In this paper, we examined the immunity requirements for Ethernet ports of terminal equipments in customer premises. As a result, the electromagnetic disturbance of 0.15 to 80 MHz, which is caused in AC power lines, may be attenuated only 6 dB when it goes through electronic devices such as PC or HUB and comes into the Ethernet ports of the terminal equipments. Hence the test level for the Ethernet ports of the terminal equipments in customer premises may be needed at least a half levels of the requirement for AC power ports of them. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | immunity test / premises telecommunication equipment / Ethernet port / ITU-T Rec. K.43 / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 109, no. 370, EMCJ2009-101, pp. 19-24, Jan. 2010. | |
| Paper # | EMCJ2009-101 | |
| Date of Issue | 2010-01-14 (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) | |
| Download PDF | EMCJ2009-101 |
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| Conference Information | |
| Committee | EMCJ |
| Conference Date | 2010-01-21 - 2010-01-22 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | University of the Ryukyus |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | EMCJ |
| Conference Code | 2010-01-EMCJ |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Study on Immunity Requirements for Ethernet Ports of Telecommunication Equipments in Customer Premises |
| Sub Title (in English) | |
| Keyword(1) | immunity test |
| Keyword(2) | premises telecommunication equipment |
| Keyword(3) | Ethernet port |
| Keyword(4) | ITU-T Rec. K.43 |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Yuichiro Okugawa |
| 1st Author's Affiliation | Technical Assistance & Support Center, NTT East Corporation. (NTT East Corp.) |
| 2nd Author's Name | Masakatsu Ogawa |
| 2nd Author's Affiliation | Technical Assistance & Support Center, NTT East Corporation. (NTT East Corp.) |
| 3rd Author's Name | Kentaro Mokushi |
| 3rd Author's Affiliation | Technical Assistance & Support Center, NTT East Corporation. (NTT East Corp.) |
| 4th Author's Name | Kazuhiro Takaya |
| 4th Author's Affiliation | Technical Assistance & Support Center, NTT East Corporation. (NTT East Corp.) |
| 5th Author's Name | Kazuo Murakawa |
| 5th Author's Affiliation | Technical Assistance & Support Center, NTT East Corporation. (NTT East Corp.) |
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| Speaker | Author-1 |
| Date Time | 2010-01-21 11:00:00 |
| Presentation Time | 25 minutes |
| Registration for | EMCJ |
| Paper # | EMCJ2009-101 |
| Volume (vol) | vol.109 |
| Number (no) | no.370 |
| Page | pp.19-24 |
| #Pages | 6 |
| Date of Issue | 2010-01-14 (EMCJ) |
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