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Sintai Communication Co.,LTD.
Sintai Communication Co.,LTD.
25G Transponder

25G Transponder

Multi Channels 25G Transponder
  • multi channels 25g transponder 1
  • multi channels 25g transponder 2
  • multi channels 25g transponder 1
  • multi channels 25g transponder 2

25G OTU service card launched by Sintai Communication Co., Ltd supports four types of service access with 16 to 32Grates. 

Its main function is to finish the 2R regeneration of any 4-channel signals under any protocol within the rate of 25 Gbit/s to be accessed, and then convert them to optical signals of a standard DWDM wavelength or standard CWDM wavelength, so that the multiplexing unit can conduct WDM for optical signals of different wavelengths and also achieve the inverse process of the above process. 

It's applicable to the wavelength division transmission solution for 25G rate services, and compatible with 16G or 32G FC.

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Multi Channels 25G Transponder Diagram


Multi Channels 25G Transponder Functional Structure


Multi Channels 25G Transponder Specification




  • Client-side interface: 4 SFP28 hot-pluggable

  • WDM-side interface: 4 SFP28 hot-pluggable

Line mode

Supports transparent transmission of any type of service in four 16G~32G rate ranges, and converts four service optical signals into four WDM standard wavelength optical signals.

Relay mode

Support 16G~32G wavelength electrical relay.

Support service type

  • 25GE

  • 16G FC(compatible 32G)

  • ECPRI, CPRI 10


16~32G rate adaptive, configuration free.

WDM technology

  • Support CWDM: 18 waves

  • Support DWDM: C band 50GHz 80 waves

Occupied slot number

Support OTNS8600 series chassis, occupy 1 slot.

Network management function

  • Support real time monitoring of the port working state, including transmitting optical power and receiving optical power, temperature, etc.

  • Support port loop back and port shutdown.

Power consumption

16W (max, including transceiver)


>100000 hours

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