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光旁路交换机模块
模块封装，波长1510~1610 nm，1270~1350 nm，支持定制
模块内部光路示意图
在线状态：
R3 → T1 R4 → T2 R1 → T3 R2→ T4
旁路状态：R3→ T4 R4→ T3
功能
掉电旁路
开机后保护器上电（切换到在线状态），系统断电立即回到旁路状态
性能参数
|
Wavelength range |
1510 to 1610 nm 1270 to 1350 nm |
|
Insertion loss |
≤1.2dB |
|
Polarization dependent loss |
＜0.2dB |
|
Wavelength dependent loss |
＜0.3dB |
|
Switching time |
＜10ms |
|
Switch cross talk |
＞55 dB |
|
Return loss |
＞45 dB |
|
Fiber type |
Corning SMF-28, 250μm with 900μm loose tube |
|
Fiber length |
|
|
Connectors |
SC/PC |
|
Operating power |
100-300mW |
|
Operating voltage |
+12~+36V |
|
Operating Temperature |
-5 ~ 60 °C |
|
Storage Temperature |
-30 ~ 80 °C |
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