ITU-T F.23-1988 长途国际电路公众电报电路的服务等级(GOS) Grade of service for long-distance international gentex circuits

pdf标准 ITU-T F.23-1988 长途国际电路公众电报电路的服务等级(GOS) Grade of service for long-distance international gentex circuits

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ITU-T F.23-1988 长途国际电路公众电报电路的服务等级(GOS) Grade of service for long-distance international gentex circuits 第 1 页 ITU-T F.23-1988 长途国际电路公众电报电路的服务等级(GOS) Grade of service for long-distance international gentex circuits 第 2 页 ITU-T F.23-1988 长途国际电路公众电报电路的服务等级(GOS) Grade of service for long-distance international gentex circuits 第 3 页
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国外分类,ITU,ITU-T(电信标准分局),itu,长途,国际,电路,公众,电报,电路,服务,等级,gos,grade,of,service,for,long,distance,international,gentex,circuits

INTERNATIONAL TELECOMMUNICATION UNION )45 4 & TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU /0%2!4)/.3 !.$ 15!,)49 /& 3%26)#% 4%,%'2!0( 3%26)#%3 '2!$% /& 3%26)#% &/2 ,/.' $)34!.#% ).4%2.!4)/.!, '%.4%8 #)2#5)43 )45 4 Recommendation & (Extract from the "LUE "OOK) NOTES 1 ITU-T Recommendation F.23 was published in Fascicle II.4 of the Blue Book. This file is an extract from the Blue Book. While the presentation and layout of the text might be slightly different from the Blue Book version, the contents of the file are identical to the Blue Book version and copyright conditions remain unchanged (see below). 2 In this Recommendation, the expression “Administration” is used for conciseness to indicate both a telecommunication administration and a recognized operating agency. © ITU 1988, 1993 All rights reserved. No part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the ITU. Recommendation F.23 Fascicle II.4 - Rec. F.23 GRADE OF SERVICE FOR LONG-DISTANCE INTERNATIONAL GENTEX CIRCUITS The CCITT, considering that the main purpose of the gentex service is to ensure that traffic shall be passed without delay, whilst also ensuring a sufficient use of groups of long-distance international circuits intended to carry traffic, unanimously declares that the grade of service corresponding to a loss probability of 1 in 50, as set out in Table 2/F.64, should apply to the groups of long-distance international circuits used in the gentex service. Fascicle II.4 - Rec. F.23 1

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