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155M SFP Optical Module - High-Speed Transmission by China Suppliers & Factory with DDM Monitoring Features
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155M SFP Optical Module - High-Speed Transmission by China Suppliers & Factory with DDM Monitoring Features

The 155M SFP optical module is a high-speed transmission network device designed to achieve data transmission rates of up to 155Mbps. This capability allows for the rapid transfer of large volumes of data, making it an ideal choice for various networking applications. Additionally, this module features advanced diagnostic and monitoring functions, including DDM (Digital Diagnostic Monitoring), which provides critical information regarding power supply, temperature, transmission and reception statuses, and end-of-life indications. These features empower users to effectively manage and maintain their network equipment.

As a small form-factor pluggable module, the SFP optical module is designed for hot-swappable use in networking and communication equipment. Its innovative design allows for straightforward insertion and removal from its corresponding slot, facilitating quick installations or replacements without network downtime. The 155M SFP optical module offers excellent compatibility, utilizing standardized interfaces and protocols to ensure seamless integration with various brands and models. This makes it an optimal choice for networks requiring reliable and efficient connectivity. Partner with trusted China suppliers and manufacturers to source high-quality SFP optical modules directly from the factory for your networking needs.

    Ordering Information

    P/N Description Data Sheet Data Rate Wavelength Distance Output Power (dBm) Sensitivity (dBm) Connector Temp. (°C) Laser Type
    ESP3103-2D SFP DOWNLOAD 155M 1310nm 2KM -20~-10 <-32 LC 0~70 FP+PIN
    ESP3103-20D SFP DOWNLOAD 155M 1310nm 20KM -15~-8 <-32 LC 0~70 FP+PIN
    ESP3103-40D SFP DOWNLOAD 155M 1310nm 40KM -5~0 <-32 LC 0~70 DFB+PIN
    ESP5503-80D SFP DOWNLOAD 155M 1550nm 80KM -2~3 <-34 LC 0~70 DFB+PIN
    ESP5503-C0D SFP DOWNLOAD 155M 1550nm 120KM 0~5 <-32 LC 0~70 DFB+PIN
    ESP5503-G0D SFP DOWNLOAD 155M 1550nm 160KM 1~5 <-34 LC 0~70 DFB+APD
    EB3503-3D SFP BIDI DOWNLOAD 155M T13/R15 3KM -14~-8 -28 LC 0~70 FP+PIN
    EB5303-3D SFP BIDI DOWNLOAD 155M T15/R13 3KM -14~-8 -28 LC 0~70 FP+PIN
    EB3503-20D SFP BIDI DOWNLOAD 155M T13/R15 20KM -15~-8 -32 LC 0~70 FP+PIN
    EB5303-20D SFP BIDI DOWNLOAD 155M T15/R13 20KM -15~-8 -32 LC 0~70 FP+PIN
    EB3503-40D SFP BIDI DOWNLOAD 155M T13/R15 40KM -5~0 -32 LC 0~70 FP+PIN
    EB5303-40D SFP BIDI DOWNLOAD 155M T15/R13 40KM -5~0 -32 LC 0~70 DFB+PIN
    EB4503-80D SFP BIDI DOWNLOAD 155M T14/R15 80KM -5~0 -32 LC 0~70 DFB+PIN
    EB5403-80D SFP BIDI DOWNLOAD 155M T15/R14 80KM -5~0 -32 LC 0~70 DFB+PIN
    EB4503-C0D SFP BIDI DOWNLOAD 155M T14/R15 120KM 0~5 -32 LC 0~70 DFB+APD
    EB5403-C0D SFP BIDI DOWNLOAD 155M T15/R14 120KM 0~5 -32 LC 0~70 DFB+APD
    EB3403-20D SFP BIDI DOWNLOAD 155M T13/R14 20KM -14~-8 -32 LC 0~70 FP+PIN
    EB4303-20D SFP BIDI DOWNLOAD 155M T14/R13 20KM -14~-8 -32 LC 0~70 DFB+PIN
    EB3403-40D SFP BIDI DOWNLOAD 155M T13/R14 40KM -5~0 -32 LC 0~70 FP+PIN
    EB4303-40D SFP BIDI DOWNLOAD 155M T14/R13 40KM -5~0 -32 LC 0~70 DFB+PIN
    ESCxx03-80D SFP CWDM DOWNLOAD 155M 1270~1610nm 80KM -1~3 -32 LC 0~70 CWDM+PIN
    ESCxx03-C0D SFP CWDM DOWNLOAD 155M 1450~1610nm 120KM 0~5 -34 LC 0~70 CWDM+APD
    ESCxx03-G0D SFP CWDM DOWNLOAD 155M 1470~1610nm 160KM 1~6 -36 LC 0~70 CWDM+APD

    Frequently Asked Questions

    Q: What is the maximum transmission distance supported by these 155M SFP transceivers?
    The transceivers support a wide range of reach from 2KM for short-haul interconnections up to 160KM for ultra-long distance networks using DFB laser sources and highly sensitive APD receivers.
    Q: How do SFP BIDI transceivers operate over single fiber strands?
    SFP BiDi (Bi-Directional) modules transmit and receive data on different optical wavelengths (such as TX1310nm/RX1550nm and TX1550nm/RX1310nm) through a single simplex LC connector, doubling the fiber infrastructure capacity.
    Q: What is the difference between PIN and APD optical receivers?
    PIN receivers are cost-effective and suitable for standard reach applications (up to 80KM), while APD (Avalanche Photodiode) receivers provide higher sensitivity (down to -36dBm) and are required for links exceeding 120KM to 160KM.
    Q: What connector type is standard across these 155M optical modules?
    All listed 155M standard, BiDi, and CWDM SFP transceivers utilize industry-standard LC connectors (Duplex LC for dual-fiber and Simplex LC for BiDi single-fiber solutions).
    Q: Are CWDM SFP transceivers compatible with passive CWDM Mux/Demux filters?
    Yes, the 155M CWDM SFP modules cover ITU-T G.694.2 standard wavelengths from 1270nm to 1610nm with 20nm channel spacing, fully compatible with standard passive CWDM multiplexing systems.
    Q: What is the standard operating temperature range for these modules?
    The listed models feature a commercial operating temperature range of 0°C to 70°C (32°F to 158°F), suitable for enterprise data centers and indoor telecom installations.

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