| 1. | Conventional hybrids used in all existing phone patches can provide good balance at only one frequency into a complex impedance such as telephone line 传统的混合线路采用所有现行的电话临时线路技术,只能做到单一频率的良好平衡进入如电话线的复数阻抗中。 |
| 2. | Multi - element metallic cables used in analogue and digital communication and control - sectional specification for unscreened cables - work area and patch cord cables 模拟和数字通信及控制中使用的多元件金属电缆.非屏蔽电缆分规范.工作区域和临时线路的软线电缆 |
| 3. | Multi - element metallic cables used in analogue and digital communication and control - sectional specification for screened cables characterized up to 100 mhz - work area and patch cord cables 模拟和数字通信及控制中使用的多元件金属电缆. 100mhz及以下的铠装电缆分规范.工作区域和临时线路的软线电缆 |
| 4. | Multi - element metallic cables used in analogue and digital communication and control - sectional specification for screened cables ch aracterized up to 600 mhz - work area and patch cord cables 模拟和数字通信及控制中使用的多元件金属电缆. 600mhz及以下的屏蔽电缆分规范.工作区域和临时线路的软线电缆 |
| 5. | Multi - element metallic cables used in analogue and digital communication and control - part 2 - 2 : sectional specification for screened cables characterised up to 100 mhz - work area and patch cord cables 用于模拟与数字通信和控制的多元件金属电缆.第2 - 2部分: 100mhz及以下屏蔽电缆分规范.工作区域和临时线路软线电缆 |
| 6. | Multi - element metallic cables used in analogue and digital communication and control - part 4 - 2 : sectional specification for screened cables characterised up to 600 mhz - work area and patch cord cables 用于模拟与数字通信和控制的多元件金属电缆.第4 - 2部分: 600mhz及以下屏蔽电缆分规范.工作区域和临时线路软线电缆 |
| 7. | Multi - element metallic cables used in analogue and digital communication and control - part 3 - 2 : sectional specification for unscreened cables characterised up to 100 mhz - work area and patch cord cables 用于模拟与数字通信和控制的多元件金属电缆.第3 - 2部分: 100mhz及以下非屏蔽电缆分规范.工作区域和临时线路软线电缆 |