产品概述:
 DVOA智能光衰减板是针对光通信线路光功率不稳定开发的板卡,起到光自动增益调节和保护光接收机的作用,串接在通信光纤链路中,保证通信无阻断运行。板面板提供设置按钮,方便安装调试,面板LED指示灯显示当前系统运行状态,一目了然。
系统按工业级设计能在恶劣环境下稳定工作,广泛应用于PDH、SDH系统,以太网系统,波分系统等光线路的保护。
功能特点:
- 板卡支持热插拔,方便维护;
- 支持智能和手动调节方式;
- 良好的散热设计与温度适应性,可以在各种恶劣的环境条件下工作;
- AC/DC双备份冗余电源,宽电压范围适应,支持热插拔,方便维护;
技术参数:
| 参数 | 单位 | 指标 | 备注 | 
| 波长范围 | Nm | 1260~1650 | 
 | 
| 衰减类型 | 常开 或 常闭 | ||
| 衰减范围 | dB | 0~30 | 
 | 
| 最大衰减范围 | dB | ≥30 | 
 | 
| 插入损耗 | dB | ≤0.7(0.5 典型) | 不含连接头损耗 | 
| 衰减类型 | 
 | 连续 | 
 | 
| 波长相关损耗 | dB | ≤0.3 | 在0dB测试 | 
| ≤1.5 | 在20dB测试 | ||
| 波纹 | dB | ≤0.05 | 0.4nm带宽在20dB测试 | 
| 偏振相关损耗 | dB | ≤0.1 | 在0dB测试 | 
| ≤0.3 | 在20dB测试 | ||
| 温度相关损耗 | dB | ≤0.2 | 在0dB测试 | 
| ≤1.0 | 在20dB测试 | ||
| 回拨损耗 | dB | ≥55 | 
 | 
| PMD | Ps | ≤0.1 | 
 | 
| 响应时间 | Ms | ≤2(1典型) | 10%-90% 光功率 | 
| 传输光功率 | mW | 300 | 
 | 
Important Notice
Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.
The publication of information in this data sheet does not imply freedom from patent or other protective rights of F-tone Networks or others. Further details are available from any F-tone Networks sales representative.

 
  
  
  
 