ANSI ATIS0600404.a-2005 网络和用户网络接口.DS3金属接口规范

标准号：ANSI ATIS0600404.a-2005
中文标准名称：网络和用户网络接口.DS3金属接口规范
英文标准名称：Network and Customer Installation Interfaces - DS3 Metallic Interface Specification
标准类型：M14
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：M14
国际标准分类号：33.040.30
适用范围：The M13/M23 Multiplex application provides as optional in-band method for activating a line loopback for trouble isolation. Use of an NIU on the carrier side of the network interface is optional at the discretion of the carrier. Support of the NIU in-band line loopback methodology is also optional at the discretion of the carrier. If NIU in-band line loopback is supported, the following method shall be used.