ITU-T I.412-1988
综合业务数字网(ISDN)用户网络接口(UNI) 接口结构和接入能力

ISDN USER-NETWORK INTERFACES INTERFACE STRUCTURES AND ACCESS CAPABILITIES

ITU-T I.412-1988 发布历史

In an actual access arrangement some of the channels available across an ISDN user-networks physical interface,as defined in the applicable interface structure,may not be supported by the network.Some ISDN services will not require the full capacity of a B-channel; in those cases in which users require only such services,the access capability might be further reduced. The capability provided by those channels that are actually available for communication purposes,is referred to as the access capability provided through the interface.

ITU-T I.412-1988由国际电信联盟 IX-ITU 发布于 1988。

ITU-T I.412-1988 在中国标准分类中归属于: M15 通信网性能指标及测试。

ITU-T I.412-1988的历代版本如下：

• 1988年 ITU-T I.412-1988 综合业务数字网(ISDN)用户网络接口(UNI) 接口结构和接入能力
• 1989年01月01日 ITU-T I.412-1989 ISDN用户-网络接口.接口结构和接入能力-综合数字网络服务-总网络方面和功能 ISDN用户网络界面

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标准号

ITU-T I.412-1988

发布日期

1988年

实施日期

废止日期

无

中国标准分类号

M15

发布单位

IX-ITU

适用范围

In an actual access arrangement some of the channels available across an ISDN user-networks physical interface,as defined in the applicable interface structure,may not be supported by the network.Some ISDN services will not require the full capacity of a B-channel; in those cases in which users require only such services,the access capability might be further reduced. The capability provided by those channels that are actually available for communication purposes,is referred to as the access capability provided through the interface.

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