18CH CWDM Mux Demux
Advantages of Demultiplexer
The CWDMmultiplexer/demultiplexer launched by Guangzhou Sintai Communications Co., Ltd. is designed for economical and efficient multi-wavelength CWDM network applications. It is based on thin-film filter (TFF) mux technologyand operates on ITU grids with 20nm channel spacing.
The CWDM wavelength ranges from 1270 to 1610 nm and supports at most 18 channels of optical signal multiplexing/demultiplexing. It has a series of advantages, such as multi-kind of packaging structures, low insertion loss, high channel isolation, and so on.
18CH CWDM Mux Demux Feature
Low insertion loss (IL)
High channel isolation
High stability and reliability
Provide 1 to 18 channels with a compact design
Conform to ITU-T G.694.2
Conform to Telcordia GR-1209-CORE-2001 standard
Conform to Telcordia GR-1221-CORE-1999 standard
Conform to RoHS-6 (no lead)
Application Area
CWDM system
CATV system
18CH CWDM Mux Demux Applications
Maximizes fiber in local loop applications
Overlays CWDM with existing1310 nm transmission systems
Provides bidirectional transmission on a single fiber
Supports linear (bus) add/drop architectures
Supports hub-and-spoke ring architectures
18CH CWDM Mux Demux Compliance
ITU-T G.694.2 and G.695
GR-1221 Issue 3 and 1209
RoHS compliant 6/6
18CH CWDM Mux Demux Specification
|
Item |
CWDM MUX/DEMUX |
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|
Channel number |
1 |
2 |
4 |
8 |
16 |
18 |
|
|
Operating wavelength (nm) |
1260~1620 |
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|
Center wavelength (nm) |
ITU-T Grid |
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|
Channel spacing (nm) |
20 |
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|
Channel insertion loss (dB) |
≤0.8 |
≤1.2 |
≤1.8 |
≤2.6 |
≤4.5 |
≤5.0 |
|
|
Channel bandwidth (dB) |
ITU±6.5 |
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|
Flatness (dB) |
≤0.5 |
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|
Adjacent channel isolation (dB) |
≥30 |
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|
Non-adjacent channel isolation (dB) |
≥40 |
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|
Return loss (dB) |
≥50 |
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|
Directivity (dB) |
≥55 |
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|
Polarization-dependent loss (dB) |
≤0.2 |
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|
Polarization mode dispersion (ps) |
≤0.2 |
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|
Power Handling (dB) |
≤500 |
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|
Operating Temperature (°C) |
0~+70 |
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Storage Temperature (°C) |
-40 ~+85 |
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Package type |
Steel tube, ABS box, LGX standard box, 1U standard 19-inch rack |
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