产品介绍
OBP光旁路保护系统是一种应用于光纤通信领域并能自动绕过故障的网络节点的智能切换系统,能自动识别网络节点供电状态,节点故障时进行光路旁路,从而能避免网络节点发生网络断开,保持整体网络连通性。
特性
● 被保护设备出故障(断电)时自动切换,无需人为干预;
● 减少网络节点故障造成的损失;
● 增加传输网络的可靠性,提高运营商的服务质量;
● 可以根据需要手动设置切换;
光旁路保护原理

模块内部光路示意图

设备连接图


模块光接口定义
| 
 序号  | 
 端口  | 
 说明  | 
 连接头类型  | 
| 
 1  | 
 T1  | 
 连接被保护设备的A端  | 
 LC/UPC  | 
| 
 R1  | 
|||
| 
 2  | 
 T2  | 
 连接被保护设备的C端  | 
 LC/UPC  | 
| 
 R2  | 
|||
| 
 3  | 
 T3  | 
 连接来自A端的光缆  | 
 LC/UPC  | 
| 
 R3  | 
|||
| 
 4  | 
 T4  | 
 连接来自C端的光缆  | 
 LC/UPC  | 
| 
 R4  | 
参数指标
| 
 波长范围  | 
 1270 to 1610 nm  | 
| 
 插损  | 
 ≤1.2dB  | 
| 
 偏振相关损耗  | 
 <0.2dB  | 
| 
 波长相关插损  | 
 <0.3dB  | 
| 
 切换时间  | 
 <5ms  | 
| 
 串扰  | 
 >55 dB  | 
| 
 回损  | 
 >45 dB  | 
| 
 光纤类型  | 
 Corning SMF-28, 250μm with 900μm loose tube  | 
| 
 连接头  | 
 LC/PC  | 
| 
 工作电流  | 
 80 ~ 120mA  | 
| 
 工作电压  | 
 4.5 ~ 5.5V  | 
| 
 工作温度  | 
 -5 ~ 60 °C  | 
| 
 存储温度  | 
 -30 ~ 80 °C  | 
| 
 封装尺寸  | 
 LGX(190*200*35mm) /面板:220*40mm  | 
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.
