ITU-T I 410-1988 GENERAL ASPECTS AND PRINCIPLES RELATING TO RECOMMENDATIONS ON ISDN USER-NETWORK INTERFACES《关于综合业务数字网(ISDN)用户网络接口(UNI)的各建议概貌和原则》.pdf
《ITU-T I 410-1988 GENERAL ASPECTS AND PRINCIPLES RELATING TO RECOMMENDATIONS ON ISDN USER-NETWORK INTERFACES《关于综合业务数字网(ISDN)用户网络接口(UNI)的各建议概貌和原则》.pdf》由会员分享,可在线阅读,更多相关《ITU-T I 410-1988 GENERAL ASPECTS AND PRINCIPLES RELATING TO RECOMMENDATIONS ON ISDN USER-NETWORK INTERFACES《关于综合业务数字网(ISDN)用户网络接口(UNI)的各建议概貌和原则》.pdf(5页珍藏版)》请在麦多课文档分享上搜索。
1、INTERNATIONAL TELECOMMUNICATION UNION)45G134 ) TELECOMMUNICATIONSTANDARDIZATION SECTOROF ITU).4%2!4%$G0G03%26)#%3G0G0$)4!,.%47/2+G0G0 )3$.G9)3$.G0G053%2G13.%47/2+G0G0).4%22) access of a multiple ISDN terminal installation;3) access of multiservice PBXs, or local area networks, or, more generally, of
2、 private networks;4) access of specialized storage and information processing centres.In addition, depending on the particular national regulatory arrangements, either ISDN user-network interfacesor internetwork interfaces may be used for access of:5) dedicated service networks;6) other multiple ser
3、vices networks, including ISDNs.3 Interface Recommendation objectivesUser-network interface Recommendations should allow:1) different types of terminals and applications to use the same interface;2) portability of terminals from one location to another (office, home, public access points) within one
4、country and from one country to another country;3) separate evolution of both terminal and network equipment, technologies and configurations;4) efficient connection with specialized storage and information processing centres and other networks.2 Fascicle III.8 - Rec. I.410User-network interfaces sh
5、ould be designed to provide an appropriate balance between service capabilities andcost/tariffs, in order to meet service demand easily.4 Interface characteristicsUser-network interfaces are specified by a comprehensive set of characteristics, including:1) physical and electromagnetic (including opt
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