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Help Center20KM Low Insertion Loss DCM Dispersion Compensation
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Overview:
The line card is the dispersion compensation (DCM) card. It can compensate for the optical signal dispersion accumulated during transmission. In addition, it compresses the optical signal and works with BA and PA for long distance optical transmission.
Function and Feature
- Dispersion Compensation of DWDM System in a Wide Band Range and Extra-low Residual Dispersion;
- G.652 Fiber C-Band 10% Slope Compensation(Standard Value);
- Low Insertion Loss;
- Low Polarization Mode Dispersion;
- Performance indicators have passed Telcordia GR-2854-CORE standard authentication;
- Reliability has passed Telcordia GR-1221-CORE standard authentication;
- Various package styles, connector types and jumper lengths are for option.
Field of Application
- G.652 Standard Single-Mode Fiber Long Distance and Metropolitan Area Communication System
- DWDM Transmission System
- SDH Transmission System
- CATV System
- Dispersion Accommodation
Optical Performance Specifications
Parameter |
20 |
30 |
40 |
50 |
60 |
80 |
100 |
Dispersion Compensator at 1545nm (ps/nm) |
-340±20 |
-500±20 |
-670±20 |
-840±20 |
-340±20 |
-1000±20 |
-1340±20 |
Relative Dispersion Slop at 1545nm (dB) |
0.0036±20% (General), 0.0036±10% (Advanced) |
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Insertion Loss at 1525nm~1565nm (dB) |
<=3 |
<=4.2 |
<=4.7 |
<=5.6 |
<=6 |
<=7.6 |
<=8.8 |
Insertion Loss at 1525nm~1565nm (Typical) (dB) |
<=2.8 |
<=3.4 |
<=4.0 |
<=4.8 |
<=5.8 |
<=7.2 |
<=8.4 |
Polarization Mode Dispersion (ps) |
<=0.7 |
<=0.7 |
<=0.8 |
<=0.9 |
<=0.9 |
<=1.0 |
<=1.1 |
Polarization Mode Dispersion (Typical) (ps) |
0.2 |
0.3 |
0.3 |
0.4 |
0.4 |
0.5 |
0.6 |
Polarization Dependent Loss (dB) |
<=0.1 |
<=0.1 |
<=0.1 |
<=0.1 |
<=0.1 |
<=0.1 |
<=0.1 |
Brillouin Scattering Threshold (dBm) |
Minimux Value: 6 |
||||||
Nonlinear System (n2/Aeff) (W-1) |
Maxmum Value: 1.4* 10-9 |
||||||
Effective Area (Aeff) (um2) |
Minimux Value: 20 |
||||||
Working Temperature (℃) |
-5 ~ 70 |
||||||
Storage Temperature (℃) |
-40 ~ 85 |
||||||
Connector |
SC/UPC |
||||||
Packaging Dimensions (mm) |
482.6 x 269 x 43.6 (W x L x H) |
||||||
Note:
(1) The insertion loss should be the maximum value at the application band (1525nm-1565nm).
(2) The polarization mode dispersion is the average differential group delay at the application band measured by Jones Matrix method.
(3) Modules which can compensate dispersion over distance of other kilometers can be provided according to specific requirements.
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