数字通信用对绞或星绞多芯对称电缆.第6部分:传输特性＜600MHz的对绞或星绞对称电缆.工作区域布线.分规范

[中文适用范围]： IEC 61156 的本部分与 IEC 61156-1 相关。本文描述的电缆适用于 ISO/IEC 11801 中定义的工作区域布线。它涵盖单独屏蔽、公共屏蔽和非屏蔽双绞线或四绞线。电缆的传输特性和频率范围（见表 1）是在 20°C 时指定的。这些电缆可用于同时使用多达四对的各种通信通道。从这个意义上说，本分规范提供了系统开发人员评估新系统所需的电缆特性。本标准涵盖的电缆适用于通信系统中常见的电压和电流。这些电缆不适合与低阻抗源一起使用，例如公用事业干线的电源。 [外文原描述]： It covers individually screened, common screened and unscreened pairs or quads. The transmission characteristics and the frequency range of the cables are specified at 20 °C. The cables covered by this standard are intended to operate with voltages and currents normally encountered in communication systems. These cables are not intended to be used in conjunction with low impedance sources, for example, the electric power supplies of public utility mains. The cables described herein are intended for work area wiring as defined in ISO/IEC 11801. includes the following significant technical changes with respect to the previous edition: a) new requirements for new cables Cat6A, Cat7A for 10 GBase-T applications; b) revised requirements and tests for the cables