DWDM 1U Rack Module
Descriptions
DWDM, the abbreviation of dense wavelength division multiplexer, are based on proven thin-film filter technology and can be used in multi-channel DWDM 1U Rack module. DWDM module(4,8,16 Channels) are cascaded with 1×2 DWDM components.
Features
100/200GHz ITU Channel
Spacing
Low Insertion Loss
Broadband Transmission
High Channel Isolation
High Stability and
Reliability
Expoxy Free in Optical Path
Applications
Optical Fiber Communication
Systems
Channel Mux/Demux
Long haul DWDM Newtwork
Router
Fiber Optical Amplifier
CATV Networks
Specifications
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Parameters |
4Ch |
8Ch |
16Ch |
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Mux |
Demux |
Mux |
Demux |
Mux |
Demux |
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Channel Wavelength(nm) |
ITU Grid |
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Channel Spacing(GHz) |
100/200 |
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Channel Passband (@-0.5dB bandwidth)(nm) |
>0.3 |
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Insertion Loss(dB) |
<1.8 |
<3.0 |
<4.5 |
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Channel Uniformity(dB) |
≤0.6 |
≤1.0 |
≤1.5 |
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Channel Ripple(dB) |
<0.3 |
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Return Loss(dB) |
≥45 |
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Directivity(dB) |
≥50 |
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Isolation(dB) |
Adjacent |
NA |
>30 |
NA |
>30 |
NA |
>30 |
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Non-Adjacent |
NA |
>40 |
NA |
>40 |
NA |
>40 |
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Insertion Loss Temperature Sensitivity(dB/℃) |
≤0.005 |
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Wavelength Temperature Shifting (nm/℃) |
≤0.002 |
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PDL(dB) |
<0.1 |
<0.1 |
<0.15 |
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PMD(ps) |
≤0.1 |
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Power handling(mW) |
≤500 |
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Operating Temperature(°C) |
-5 ～ +75 |
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Storage Temperature(°C) |
-40 ～ +85 |
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Package Size(mm) |
L432（482.6）xW250*H44 or Others |
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Remark: 1. Above specifications are for device without connector.
2. For devices with connectors, 0.3dB higher for IL.
Ordering Information
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DWDM – A — B — C - D — E — F — G — H |
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A |
Channel Spacing |
1=100GHz, 2=200G, etc |
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B |
Number of Channels |
4=4Ch, 8=8Ch, 16=16Ch. |
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C |
Configuration |
M=Mux, D=Demux |
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D |
ITU Channel |
21=Ch21…..25=Ch25….50=Ch50 |
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E |
Pigtail Type |
B=250um bare fiber, 0.9=0.9mm loose tube, 2.0= 2.0mm loose tube, 3.0=3.0mm loose tube etc |
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F |
Fiber Type |
SMF-28e, SMF-28e XB, Others. |
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G |
Connector Type |
N=None, LC/UPC, LC/APC, SC/UPC, SC/APC, FC/UPC, FC/APC, etc |
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H |
Package Size |
L432xW250*H44, L482.6xW250*H44 Others. |
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For example：DWDM –1-4-M-21222324-0.9-SMF-28e-FC/APC- L432xW250*H44 |
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