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25G CWDM SFP28 Optical Module from China Suppliers - High-Speed Data Transmission Factory Solutions
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25G CWDM SFP28 Optical Module from China Suppliers - High-Speed Data Transmission Factory Solutions

The ETU-LINK 25G CWDM SFP28 optical module is a high-performance component designed for 25G Ethernet and CPRI high-speed data transmission. Leveraging Coarse Wavelength Division Multiplexing (CWDM) technology, this optical module operates within the wavelength range of 1270nm to 1610nm. As a leading supplier in China, we manufacture these modules in our state-of-the-art factory, ensuring compliance with SFF-8431 and SFF-8432 standards. The functionality of the transmitter is to convert serial CML electrical data into serial optical data, while the receiver translates serial optical data back into CML electrical format. Additionally, the module offers digital diagnostics capabilities through a 2-wire serial interface as specified in SFF-8472, providing real-time monitoring for optimal performance in networking applications. Choose us as your trusted supplier for reliable and efficient optical solutions

    Ordering Information

    P/N Description Data Sheet Data Rate Wavelength Distance Output Power Sensitivity Connector Temp.(℃) Laser Type
    ESCxx2X-10D CWDM SFP28 DOWNLOAD 25G 1270-1370nm 10KM 0~6 -13.3 LC 0~70 DFB+PIN
    ESCxx2X-20D CWDM SFP28 DOWNLOAD 25G 1270-1370nm 20KM 0~6 -13.3 LC 0~70 DFB+PIN
    ESCxx2X-40D CWDM SFP28 DOWNLOAD 25G 1270-1330nm 40KM 0~6 -18 LC 0~70 EML+APD

    Frequently Asked Questions

    Q What is the maximum transmission distance supported by these CWDM SFP28 modules?

    Depending on the specific model selected, these CWDM SFP28 transceivers support transmission distances of 10KM (ESCxx2X-10D), 20KM (ESCxx2X-20D), and up to 40KM (ESCxx2X-40D) over single-mode fiber (SMF).

    Q Which wavelengths are available for the 25G CWDM SFP28 transceivers?

    The 10KM and 20KM models operate within the 1270nm to 1370nm wavelength range. The long-distance 40KM model operates within the 1270nm to 1330nm range to optimize signal integrity over extended spans.

    Q What is the difference in laser and receiver types between the 10KM/20KM and 40KM models?

    The 10KM and 20KM models utilize a DFB laser paired with a PIN receiver, suitable for standard reach applications. The 40KM model uses a high-performance EML laser combined with an APD receiver to achieve higher receiver sensitivity (-18 dBm) required for long-distance links.

    Q What type of optical connector do these transceivers use?

    All models in this series are designed with standard duplex LC optical connectors, ensuring compatibility with standard fiber patch cables.

    Q What are the operating temperature limits for these modules?

    These CWDM SFP28 transceivers support a commercial operating temperature range of 0°C to 70°C, making them ideal for standard data center and enterprise networking environments.

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