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CWDM 1×2
Decriptions
GEZHI Photonics CWDM technology provides the flexibility to increase capacity of existing fiber infrastructure by enabling multiple channels/wavelengths over the same fiber cabling. Each channel carries data independently from each other, allowing network designers to transport different data rates. FMU series CWDM Mux Demux covers up to 18 CWDM channels from 1270nm to 1610nm in 20nm increments as defined by ITU-T G.694.2. It's protocol and rate transparent supporting such applications as 1G/10G Ethernet, SDH/SONET and 8/4/2/1G Fiber Channel across the same fiber link.
Main advantages are its passive nature – no power supply or cooling necessary, and robustness – no special microclimate requirements, and low insertion loss – extend maximum reach of CWDM technology. A variety of wavelength combinations, port configurations and special port options can be supported, different packaging type can be customize
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Features Wide pass band Low insertion loss High channel isolation High stability and reliability |
Applications CWDM system CWDM Mux/Demux module |
Technical Paremeter
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Parameter |
1×2 CWDM |
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Central Wavelength(nm) |
1271, 1291, 1311, …..1551, 1571, 1591, 1611 |
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Operating Wavelength (nm) |
1260~1460 or 1460~1620 or 1260~1620 |
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Channel space (nm) |
20 |
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Channel bandwidth (nm) |
λc ± 6.5 |
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Channel flatness (dB) |
≤0.4 |
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IL (dB) |
Pass Channel |
≤0.6 |
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Reflection Channel |
≤0.4 (1260~1460 or 1460~1620) or ≤0.6(1260~1620) |
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Isolation (dB) |
Adjacent channel |
≥30 |
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Non-adjacent channel |
≥40 |
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Reflection Channel |
≥15 |
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Directivity (dB) |
≥55 |
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Return loss (dB) |
≥50 |
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PDL (dB) |
≤0.15 |
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Wavelength thermal stability (nm/℃) |
≤0.003 |
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Insertion loss thermal stability (dB/℃) |
≤0.005 |
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Power handling (mW) |
≤500 |
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Operating temperature (℃) |
0 ~ +70 |
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Storage temperature (℃) |
-40 ~ +85 |
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Dimensions (mm) |
φ5.5×L34 |
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Dimensions:
Ordering Information
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CWDM |
Port Type |
Center Wavelength |
Operation Wavelength |
Pigtail Type |
Fiber Type |
Length |
Connector |
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1×2 |
1271 |
1460~1620 |
250=250um |
1=SMF-28e |
1= 1m |
NE=None |
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1291 |
1260~1460 |
bare fiber |
X=Specify |
FA=FC/APC |
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…… |
1260~1620 |
900=900um |
FC=FC/UPC |
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1611 |
loose tube |
SA=SC/APC |
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3000=3mm |
SC=SC/UPC |
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loose tube |
LC=LC/UPC |
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LA=LC/APC |
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XX=Other |