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Sintai Communication Co.,LTD.
Sintai Communication Co.,LTD.
Tunable Dispersion Compensation Card

Tunable Dispersion Compensation Card

  • Tunable Dispersion Compensation Card

TDC (tunable dispersion compensator) card launched by Sintai Communications Co., Ltd. is mainly used for dispersion compensation of high-speed transmission systems. It can accurately manage the residual dispersion after segmented fixed optical compensation and provide a flexible and accurate solution for dispersion compensation. 

The product is independent, transparent, safe, and reliable for optical transmission signals, so as to ensure normal communication of the system. It is suitable for high-speed, long-distance WDM transmission systems.

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Tunable Dispersion Compensation Card Diagram


Tunable Dispersion Compensation Card Features

  • Adjustable: TDC provides high precision, dynamically adjustable dispersion compensation over a wide range of dispersion value.

  • Low latency: TDC latency is less than 25ns, making it ideal for time-sensitive networks.

  • G.652 slope matching: TDC compensates for the dispersion slope of the fiber, providing accurate and uniform residual dispersion for each channel of the C-band.

  • Multi-channel: TDC has a complete C-band coverage and can be used on 50GHz or 100GHz DWDM networks.

  • The dispersion compensation range is large, and it can be selected from ±800ps/nm to ±1200ps/nm.

  • The optical path is transparent and does not change the optical signal.

  • Simple structure and convenient maintenance.

Tunable Dispersion Compensation Card Specification



Working wavelength range

C band: 1528nm~1568nm

Channel spacing


Dispersion compensation range



Absolute dispersion accuracy



Introduction loss






Max input optical power


Dispersion setting resolution


Button and display function

Support local button operation dispersion compensation range setting, with the display, can visually display the current status

Network management function

Support real-time monitoring of TDC optical power, remote setting of dispersion compensation range, etc.

Occupied slot number

Support OTNS8600 series chassis,occupy 1slot

Optical interface


Max power consumption



>100000 hours

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