ImageVerifierCode 换一换
格式:PDF , 页数:4 ,大小:119.94KB ,
资源ID:795350      下载积分:10000 积分
快捷下载
登录下载
邮箱/手机:
温馨提示:
如需开发票,请勿充值!快捷下载时,用户名和密码都是您填写的邮箱或者手机号,方便查询和重复下载(系统自动生成)。
如填写123,账号就是123,密码也是123。
特别说明:
请自助下载,系统不会自动发送文件的哦; 如果您已付费,想二次下载,请登录后访问:我的下载记录
支付方式: 支付宝扫码支付 微信扫码支付   
注意:如需开发票,请勿充值!
验证码:   换一换

加入VIP,免费下载
 

温馨提示:由于个人手机设置不同,如果发现不能下载,请复制以下地址【http://www.mydoc123.com/d-795350.html】到电脑端继续下载(重复下载不扣费)。

已注册用户请登录:
账号:
密码:
验证码:   换一换
  忘记密码?
三方登录: 微信登录  

下载须知

1: 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。
2: 试题试卷类文档,如果标题没有明确说明有答案则都视为没有答案,请知晓。
3: 文件的所有权益归上传用户所有。
4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
5. 本站仅提供交流平台,并不能对任何下载内容负责。
6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。

版权提示 | 免责声明

本文(ITU-T E 701-1992 REFERENCE CONNECTIONS FOR TRAFFIC ENGINEERING《话务工程参考连续 电话网络和综合业务服务网(ISDN)服务质量 网络管理和通信工程(研究2组)4p》.pdf)为本站会员(jobexamine331)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

ITU-T E 701-1992 REFERENCE CONNECTIONS FOR TRAFFIC ENGINEERING《话务工程参考连续 电话网络和综合业务服务网(ISDN)服务质量 网络管理和通信工程(研究2组)4p》.pdf

1、INTERNATIONAL TELECOMMUNICATION UNION CCITT THE INTERNATIONAL TELEGRAPH AND TELEPHONE CONSULTATIVE COMMITTEE TELEPHONE NETWORK AND ISDN QUALITY OF SERVICE, NETWORK MANAGEMENT AND TRAFFIC ENGINEERING E.701 (1 0/92) REFERENCE CONNECTIONS FOR TRAFFIC ENGINEERING Recommendation E.701 CCITT RECMN*E=70L 9

2、2 4862593 0576497 429 The CCITT (the Iiiteriiational Telegraph and Telephone Consultative Coininittee) is a perinaueut organ of the Iiiteriiatioual TelecoiriInuiiicatioti Union (ITU). CCITT is responsible for studying technical, operating aiid tariff questions and issuing Recotnrneudatioiis oti thei

3、n with a view to staudardizirig telecorninuuicatioris o11 a worldwide basis. The Plenary Assembly of CCITT which meets every four years, establishes the topics for study atid approves Recoinrneridatioris prepared by its Study Groups. The approval of Recommendations by the tnetnhers of CCITT betweeii

4、 Plenary Assemblies is covered by the procedure laid down in CCITT Resolutioii No. 2 (Melbouriie, 19x8). Recotntneudatioii E.701 was revised by Study Group II arid was approved under the Resolutioii No. 2 procedure oti the 30th October 1992. CCIT NOTES 1) telecoininuuicatiou admiiiistratiori aiid a

5、recognized private operating agency. Iii this Recotnineiidatioii, the expression “Admiiiistratioii” is used for conciseness to indicate both a 2) A list of abbreviations used iti this Recotnrnetidatiou cati be foutid iti Atitiex A. O IT 1993 All rights reserved. No part of this publication may be re

6、produced or utilized iii my fonn or by any inems, electronic or inech:uiic:il, iiicludiiig photocopying aid microfilm, without pennissioii in writing froin the ITU. Recommendation E.701 REFERENCE CONNECTIONS FOR TRAFFIC ENGINEERING (revised 1992) 1 General The goal of this Recommendation is to give

7、the E.700-Series Recommendations a hase to define ISDN Grade of Service GoS) and traffic parameters. In $2, two reference connections are defined. Definition of other reference connections is for further study. 2 Reference connections 2.1 Refirenre cnnnection for point-to-point circiiit switched ser

8、vices See Figure 1E.701. User B User A I TE Transit network S.S. No. 7 signalling network Rec. Q.931 User A Originating user User B Terminating user TE Terminal equipment LE Local exchange Note 1 - The transit network may contain zero, one, or more transit exchanges, which may or may not be dedicate

9、d ISDN exchanges. Nore 2 - The signalling network may contain zero, one, or more signalling transfer points. Nore 3 - The topology of the signalling network may differ significantly from that of the transit network. FIGURE 1/E.701 Reference connection for point-to-point circuit switched services Rec

10、ommendation E.701 (10/92) 1 CCITT RECMN*E.701 92 48b259L 057b499 2Tl 2.2 Reference connection for point-to-point packet switched services See Figure 2E.701. For more details, see Recommendation E.7 12. User A 07+ DTE - - User B Transit network Rec. X.75 - TA - TA - DTE - - User B T0203590-93 Rec. Q.

11、931 Ret. Q.931 User A Originating user User B Terminating user DTE Data terminal equipment TA Terminal adaptor LE Local exchange PH Packet handler Note 1 - The transit network may contain zero, one, or more transit exchanges. Nofe 2 - Current CCITT Recommendations support X.25 DTEs using X.31 TAS. N

12、ote 3 - The packet handler may be located outside the local exchange. FIGURE 2/E.701 Reference connection for point-to-point packet switched services ANNEX A (to Recommendation E.701) Alphabetical list of abbreviations used in this Recommendation DTE Data terminal equipment GOS Grade of service LE Local exchange PH Packet fiatidler TA Terminal adaptor TE Terminal equipment 2 Kecotninendation E.701 (10/92)

copyright@ 2008-2019 麦多课文库(www.mydoc123.com)网站版权所有
备案/许可证编号:苏ICP备17064731号-1