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China CWDM SFP Transceiver: High-Quality Optical Solutions from Reliable Suppliers and Factory
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China CWDM SFP Transceiver: High-Quality Optical Solutions from Reliable Suppliers and Factory

ETU-LINK CWDM SFP (small form-factor pluggable) transceiver is a highly compact optical transceiver designed specifically for optical communication systems utilizing CWDM (coarse wavelength division multiplexing) technology. This innovative technology allows for the simultaneous transmission of multiple optical signals over a single fiber optic cable by employing diverse wavelengths of light, Covering a wavelength range from 1270nm to 1610nm, each specific wavelength corresponds to a unique ETU-LINK transceiver model. These transceivers are ideal for telecommunication and data communication applications that demand high-speed and long-distance transmission of optical signals, As a leading supplier from China, ETU-LINK provides SFP transceivers that are renowned for their small size, hot-pluggable design, and compatibility with a wide array of communication standards. Our factory manufactures transceivers with various transmitter and receiver types, allowing users to choose the perfect transceiver for their specific link requirements based on the desired optical reach and the type of optical fiber available, In summary, the ETU-LINK CWDM SFP transceiver represents a versatile and efficient optical solution for long-distance communication, leveraging the advantages of CWDM technology. With its compatibility with multiple communication standards and flexibility in supporting different transmitter and receiver types, it stands out as a preferred choice among professionals in the telecommunication and data communication sectors

    Ordering information

    P/N Description Data Sheet Data Rate Wavelength Distance Output Power (dBm) Sensitivity (dBm) Connector Temp.(℃) Laser Type
    ESCxx12-40D SFP CWDM DOWNLOAD 1.25G 1270~1450nm 40km -5~0 <-24 LC 0~70 CWDM+PIN
    ESCxx12-80D SFP CWDM DOWNLOAD 1.25G 1470~1610nm 80km 0~5 <-26 LC 0~70 CWDM+PIN
    ESCxx12-C0D SFP CWDM DOWNLOAD 1.25G 1470~1610nm 120km 1~5 <-32 LC 0~70 CWDM+APD

    Frequently Asked Questions

    What is the main application of these SFP CWDM transceivers?
    These SFP CWDM transceivers are designed for Gigabit Ethernet and Fiber Channel optical data communications over single-mode fiber. They utilize Coarse Wavelength Division Multiplexing (CWDM) technology to expand bandwidth capacity on existing fiber infrastructures without deploying new fiber cables.
    What is the difference between PIN and APD receivers in these models?
    The ESCxx12-40D (40km) and ESCxx12-80D (80km) models utilize a PIN photodetector, which is ideal for standard optical power levels. The ESCxx12-C0D (120km) model uses a highly sensitive APD (Avalanche Photodiode) receiver, which provides superior sensitivity (<-32 dBm) required to detect weak signals over extreme long-distance transmissions.
    Do these SFP modules support Digital Diagnostics Monitoring (DDM)?
    Yes, the "D" suffix in the part numbers (e.g., ESCxx12-40D) indicates full support for Digital Diagnostics Monitoring (DDM), also known as Digital Optical Monitoring (DOM). This feature allows network administrators to monitor real-time parameters such as transceiver temperature, laser bias current, transmitted optical power, and received optical power.
    What connector type and fiber type are compatible with these transceivers?
    All these SFP CWDM modules feature a Duplex LC connector interface. They are designed for operation over standard Single-Mode Fiber (SMF) patch cables and infrastructure.
    Are these CWDM SFP transceivers hot-swappable?
    Yes, they are fully hot-pluggable (hot-swappable). You can install or remove the modules from any SFP-compliant port without powering down the host switch or router, ensuring uninterrupted network operations.

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