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25G CWDM SFP28 Optical Module from China Suppliers - High-Speed Data Transmission Factory
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ESCxx2X-10DI.jpg
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25G CWDM SFP28 Optical Module from China Suppliers - High-Speed Data Transmission Factory
25G CWDM SFP28 Optical Module from China Suppliers - High-Speed Data Transmission Factory
25G CWDM SFP28 Optical Module from China Suppliers - High-Speed Data Transmission Factory
ESCxx2X-10DI.jpg
ESCxx2X-40D.jpg
25G CWDM SFP28 Optical Module from China Suppliers - High-Speed Data Transmission Factory
25G CWDM SFP28 Optical Module from China Suppliers - High-Speed Data Transmission Factory
25G CWDM SFP28 Optical Module from China Suppliers - High-Speed Data Transmission Factory

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

The ETU-LINK 25G CWDM SFP28 optical module is a high-performance solution designed for 25G Ethernet and CPRI high-speed data transmission. Manufactured in China, this module utilizes Coarse Wavelength Division Multiplexing (CWDM) technology, offering a wavelength range from 1270nm to 1610nm. It meets the specifications of SFF-8431 and SFF-8432 standards. Our factory produces these modules with advanced features, where the transmitter efficiently converts serial CML electrical data to serial optical data, and the receiver reverses this process. The ETU-LINK 25G CWDM SFP28 module also supports digital diagnostics through a 2-wire serial interface, as defined in SFF-8472, ensuring reliable and efficient operation. Choose ETU-LINK for quality products from trusted suppliers in the optical module industry
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    Product Detail

    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

    What is a CWDM SFP28 transceiver?
    A CWDM SFP28 (Coarse Wavelength Division Multiplexing 25G SFP) is a hot-pluggable optical transceiver module designed for 25G Ethernet and 32G Fibre Channel communications. It uses specific CWDM wavelengths to enable multiple data streams over a single fiber, optimizing fiber bandwidth.
    What transmission distances do these CWDM SFP28 modules support?
    These modules are available in different configurations supporting distances of 10KM (ESCxx2X-10D), 20KM (ESCxx2X-20D), and up to 40KM (ESCxx2X-40D) over single-mode fiber (SMF).
    Which wavelengths are used in these transceivers?
    The 10KM and 20KM models support wavelengths ranging from 1270nm to 1370nm. The long-range 40KM model supports wavelengths from 1270nm to 1330nm to ensure signal integrity over longer spans.
    What is the difference between DFB and EML lasers used in these modules?
    DFB (Distributed Feedback) lasers combined with PIN receivers are used for shorter spans (10KM and 20KM) as they are cost-effective and reliable. EML (Electro-absorption Modulated Laser) combined with APD (Avalanche Photodiode) receivers are used for the 40KM reach due to their lower dispersion and higher sensitivity over long distances.
    What type of connector is required for these modules?
    All listed CWDM SFP28 transceivers utilize a standard duplex LC connector for reliable and high-density fiber connections.
    Do these transceivers support Digital Diagnostics Monitoring (DDM)?
    Yes, these transceivers feature built-in DDM/DOM functionality (indicated by the "D" suffix in the part numbers), allowing real-time monitoring of parameters such as optical output power, input power, temperature, and laser bias current.

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