产品介绍
4选1光开关光切换设备系统由光开关和操作维护终端组成,可以实现光功率监测、光路自动切换以及网络管理等功能。在光通信网络中,设备实时监测工作光纤和备用光纤上的光功率,当监测到当前工作光纤上的光功率值低于设定的切换门限时,发出短信告警、显示、网管告警提示并自动切换到备用光纤,从而实现对光传输系统业务的保护。
设备可以简单、经济地构成各种通路、干线的保护方案,也可以对各种需要光路切换的网络进行保护,从而组建一个无阻断、高可靠性、安全灵活、抗灾害能力强的光通信网。
工作原理
四选一光切换系统组成如下图所示:
技术参数
| 型号 | FT-OSS-1X4 | 
| 性能参数 | 4选1自动保护 | 
| 工作波长 nm | 1310±50nm和1550±50nm | 
| 监测光功率范围 dBm | +23~-50 | 
| 监测光功率精度 dB | ±0.25 | 
| 监测光功率分辨率 dB | ±0.01 | 
| 回波损耗 dB | ≥55 | 
| 偏振相关损耗 dB | ≤0.05 | 
| 波长相关损耗 dB | ≤0.1 | 
| 插入损耗 dB | <1.4 | 
| 切换时间 ms | <15 | 
| 工作寿命 次 | >107 | 
| 工作温度 ℃ | -10~+60°C | 
| 存储温度 ℃ | -20~+75°C | 
| 电 源 V | DC(36-72)V和AC(85-264)V/50~60Hz,电源可选 | 
| 掉电状态 | 保持 | 
| 光纤接口 | SC/UPC(可选) | 
| 尺 寸 | 标准19'机架1U/2U/4U | 
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.

 
  
  
  
 