When WDM is used for online monitoring or spare fiber monitoring, it is installed in the local office room to provide optical wave splitting and combining for OTDR board, user optical transceiver and monitored optical fiber.
|
Function |
Parameter |
|
|
Transmissive wavelength |
1625nm |
|
|
Reflectance wavelength |
1310/1550nm |
1550/1625nm |
|
Passage bandwidth insertion loss |
≤1.0 dB |
|
|
Reflective bandwidth insertion loss |
≤0.80 dB |
|
|
Transceiver bandwidth isolation |
≥40 dB |
|
|
Reflective band bandwidth isolation |
≥15 dB |
|
|
Polarization-related loss |
≤0.1 dB |
|
|
Band thermal stability |
≤0.003 (nm/℃) |
|
|
Adhesion thermal stability |
≤0.005(dB/℃) |
|
|
Directivity |
≥55 dB |
|
|
Type of optical fiber |
SM(9/125um |
|
|
Type of connector |
LC/UPC |
|
|
working temperature |
0℃~+45℃ |
|
|
Relative humidity |
30℃ not more than 90% (no condensation) |
|
|
Storage temperature |
−20℃~+70℃ |
|
|
Size |
1U standard slot |
|
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