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1M/100M/155M/622M BIDI SFP
C-LIGHT provides high-reliability 1M/100M/155M/622M BIDI SFP optical transceivers designed for legacy network upgrades, industrial communication systems, access networks, and cost-effective fiber connectivity applications.
Based on single-fiber WDM technology, C-LIGHT BIDI SFP modules integrate transmitter and receiver functions into one compact SFP form factor, enabling bidirectional data transmission over a single optical fiber. By using different wavelength combinations such as 1310nm/1550nm or 1550nm/1310nm, these modules help reduce fiber resource consumption and simplify network deployment.
The products support multiple low-speed Ethernet and optical communication standards, including 1Mbps, 100Mbps Fast Ethernet, 155Mbps OC-3/STM-1, and 622Mbps OC-12/STM-4, providing flexible solutions for telecom access networks, industrial Ethernet, SDH/SONET systems, and enterprise communication networks.
  • 3-year warranty Long term maintenance
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    Product Details
    Form Factor Part No. Fiber Type Data Rate Wavelength Distance Connector Case Temperature Note
    BIDI SFP CLSFP62BD1415140D SMF 100M-622Mbps 1490nm/1550nm 140km LC/SC Com./Ind.  
    BIDI SFP CLSFP62BD1514140D SMF 100M-622Mbps 1550nm/1490nm 140km LC/SC Com./Ind.  
    BIDI SFP CLSFP62BD1415120D SMF 100M-622Mbps 1490nm/1550nm 120km LC/SC Com./Ind.  
    BIDI SFP CLSFP62BD1514120D SMF 100M-622Mbps 1550nm/1490nm 120km LC/SC Com./Ind.  
    BIDI SFP CLSFP62BD1415100D SMF 100M-622Mbps 1490nm/1550nm 100km LC/SC Com./Ind.  
    BIDI SFP CLSFP62BD1514100D SMF 100M-622Mbps 1550nm/1490nm 100km LC/SC Com./Ind.  
    BIDI SFP CLSFP62BD141580D SMF 100M-622Mbps 1490nm/1550nm 80km LC/SC Com./Ind.  
    BIDI SFP CLSFP62BD151480D SMF 100M-622Mbps 1550nm/1490nm 80km LC/SC Com./Ind.  
    BIDI SFP CLSFP62BD131560D SMF 100M-622Mbps 1310nm/1550nm 60km LC/SC Com./Ind.  
    BIDI SFP CLSFP62BD151360D SMF 100M-622Mbps 1550nm/1310nm 60km LC/SC Com./Ind.  
    BIDI SFP CLSFP62BD131540D SMF 100M-622Mbps 1310nm/1550nm 40km LC/SC Com./Ind.  
    BIDI SFP CLSFP62BD151340D SMF 100M-622Mbps 1550nm/1310nm 40km LC/SC Com./Ind.  
    BIDI SFP CLSFP62BD131520D SMF 100M-622Mbps 1310nm/1550nm 20km LC/SC Com./Ind.  
    BIDI SFP CLSFP62BD151320D SMF 100M-622Mbps 1550nm/1310nm 20km LC/SC Com./Ind.  
    BIDI SFP CLSFP62BD131510D SMF 100M-622Mbps 1310nm/1550nm 10km LC/SC Com./Ind.  
    BIDI SFP CLSFP62BD151310D SMF 100M-622Mbps 1550nm/1310nm 10km LC/SC Com./Ind.  
    BIDI SFP CLSFP62BD131502D MMF 100M-622Mbps 1310nm/1550nm 2km LC/SC Com./Ind.  
    BIDI SFP CLSFP62BD151302D MMF 100M-622Mbps 1550nm/1310nm 2km LC/SC Com./Ind.  
    BIDI SFP CLSFP15BD1415180D SMF 100M-155Mbps 1490nm/1550nm 180km LC/SC Com./Ind.  
    BIDI SFP CLSFP15BD1514180D SMF 100M-155Mbps 1550nm/1490nm 180km LC/SC Com./Ind.  
    BIDI SFP CLSFP15BD1415140D SMF 100M-155Mbps 1490nm/1550nm 140km LC/SC Com./Ind.  
    BIDI SFP CLSFP15BD1514140D SMF 100M-155Mbps 1550nm/1490nm 140km LC/SC Com./Ind.  
    BIDI SFP CLSFP15BD1415120D SMF 100M-155Mbps 1490nm/1550nm 120km LC/SC Com./Ind.  
    BIDI SFP CLSFP15BD1514120D SMF 100M-155Mbps 1550nm/1490nm 120km LC/SC Com./Ind.  
    BIDI SFP CLSFP15BD1415100D SMF 100M-155Mbps 1490nm/1550nm 100km LC/SC Com./Ind.  
    BIDI SFP CLSFP15BD1514100D SMF 100M-155Mbps 1550nm/1490nm 100km LC/SC Com./Ind.  
    BIDI SFP CLSFP15BD141580D SMF 100M-155Mbps 1490nm/1550nm 80km LC/SC Com./Ind.  
    BIDI SFP CLSFP15BD151480D SMF 100M-155Mbps 1550nm/1490nm 80km LC/SC Com./Ind.  
    BIDI SFP CLSFP15BD131580D SMF 100M-155Mbps 1310nm/1550nm 80km LC/SC Com./Ind.  
    BIDI SFP CLSFP15BD151380D SMF 100M-155Mbps 1550nm/1310nm 80km LC/SC Com./Ind.  
    BIDI SFP CLSFP15BD131560D SMF 100M-155Mbps 1310nm/1550nm 60km LC/SC Com./Ind.  
    BIDI SFP CLSFP15BD151360D SMF 100M-155Mbps 1550nm/1310nm 60km LC/SC Com./Ind.  
    BIDI SFP CLSFP15BD131540D SMF 100M-155Mbps 1310nm/1550nm 40km LC/SC Com./Ind.  
    BIDI SFP CLSFP15BD151340D SMF 100M-155Mbps 1550nm/1310nm 40km LC/SC Com./Ind.  
    BIDI SFP CLSFP15BD131520D SMF 100M-155Mbps 1310nm/1550nm 20km LC/SC Com./Ind.  
    BIDI SFP CLSFP15BD151320D SMF 100M-155Mbps 1550nm/1310nm 20km LC/SC Com./Ind.  
    BIDI SFP CLSFP15BD131502D MMF 100M-155Mbps 1310nm/1550nm 2km LC/SC Com./Ind.  
    BIDI SFP CLSFP15BD151302D MMF 100M-155Mbps 1550nm/1310nm 2km LC/SC Com./Ind.  
    BIDI SFP CLSFP1MBD3540 SMF 115.2kbps to 10Mbps 1310nm/1550nm 40km LC Com./Ind.  
    BIDI SFP CLSFP1MBD5340 SMF 115.2kbps to 10Mbps 1550nm/1310nm 40km LC Com./Ind.  

    1M/100M/155M/622M BiDi SFP Optical Transceiver for Single-Fiber Multi-Rate Networks

    1M/100M/155M/622M BiDi SFP Optical Transceiver Overview

    C-LIGHT 1M/100M/155M/622M BiDi SFP optical transceivers combine multi-rate operation with bidirectional transmission over a single optical fiber. This architecture provides a practical solution for network environments where different equipment generations must share fiber infrastructure while minimizing fiber consumption.

    The product family supports data rates up to 622Mbps and provides optical configurations from 2km to 140km. Depending on the selected model, the modules use 1310nm/1550nm or 1490nm/1550nm wavelength pairs, with both multimode and single-mode fiber options available for different link conditions.

    1M/100M/155M/622M BiDi SFP Optical Transceiver Key Features

    Multi-Rate BiDi Platform

    The product family combines 100M, 155Mbps, and 622Mbps operating ranges within a BiDi SFP platform for flexible network deployment.

    Single-Fiber Bidirectional Transmission

    Transmit and receive signals are carried over one fiber using different optical wavelengths, helping reduce fiber requirements.

    2km to 140km Reach

    The available configurations cover short-distance 2km links through extended single-mode fiber connections up to 140km.

    1310nm/1550nm Wavelength Pair

    10km, 20km, 40km, and 60km configurations use complementary 1310nm and 1550nm wavelengths for bidirectional transmission.

    1490nm/1550nm Long-Reach Pair

    80km, 100km, 120km, and 140km configurations use 1490nm and 1550nm wavelength combinations for extended links.

    MMF and SMF Options

    The 2km configuration is available for multimode fiber, while longer-distance versions are designed for single-mode fiber.

    LC and SC Connector Options

    The product specifications provide LC/SC connector choices for integration with different fiber cabling environments.

    Commercial and Industrial Temperature

    Commercial and industrial case-temperature options are available for different operating environments.

    1M/100M/155M/622M BiDi SFP Optical Transceiver Applications

    Fast Ethernet Networks

    The multi-rate BiDi SFP family can support compatible 100M optical network equipment while using a single fiber for bidirectional communication.

    SDH/SONET Infrastructure

    The 155Mbps and 622Mbps configurations provide optical connectivity options for compatible synchronous networking equipment.

    Enterprise Fiber Networks

    Single-fiber transmission can help enterprise networks make more efficient use of existing optical cabling.

    Industrial Communication

    Industrial-temperature versions can be selected for compatible fiber networking equipment operating in wider environmental conditions.

    Metropolitan Fiber Links

    The 40km to 140km configurations provide options for longer fiber connections between distributed network locations.

    Legacy Network Integration

    Multi-rate support makes the modules suitable for environments where legacy optical equipment continues to operate alongside newer network infrastructure.

    Fiber-Constrained Deployments

    BiDi transmission allows both optical directions to share one fiber, making the technology useful where available fiber resources are limited.

    Network Expansion

    Existing single-fiber infrastructure can be reused for bidirectional connectivity without allocating a separate fiber strand for the return path.

    Why Choose C-LIGHT 1M/100M/155M/622M BiDi SFP Optical Transceiver?

    Multi-Rate Flexibility

    The platform supports several legacy and intermediate optical data-rate requirements, reducing the need for separate module families across different network segments.

    One-Fiber Architecture

    Bidirectional operation over a single fiber helps optimize existing fiber infrastructure and can simplify optical link planning.

    Extended Reach Selection

    With configurations from 2km to 140km, the family covers both local connections and long-distance metropolitan fiber links.

    Multiple Wavelength Combinations

    1310nm/1550nm and 1490nm/1550nm combinations provide different optical choices according to the required transmission distance.

    Fiber-Type Flexibility

    The portfolio includes a multimode 2km option together with single-mode configurations for longer transmission distances.

    Broad Equipment Compatibility

    C-LIGHT states that its optical transceiver products are compatible with switches from more than 100 brands.

    Three-Stage Quality Control

    C-LIGHT states that products undergo initial testing, final testing, and factory inspection before delivery.

    Customized Service

    C-LIGHT provides customized optical solutions, technical guidance, compatibility support, spot supply, and after-sales service.

    1M/100M/155M/622M BiDi SFP Optical Transceiver FAQ

    Q1. What is a 1M/100M/155M/622M BiDi SFP?

    It is a multi-rate BiDi optical transceiver designed to provide bidirectional communication through a single fiber while supporting different optical data-rate requirements.

    Q2. What data rates are supported?

    The product family supports 100M, 155Mbps, and 622Mbps configurations, with the product series positioned for multi-rate optical networking applications.

    Q3. What transmission distances are available?

    C-LIGHT lists 2km, 10km, 20km, 40km, 60km, 80km, 100km, 120km, and 140km configurations.

    Q4. Does the BiDi SFP use one fiber or two?

    The BiDi architecture uses one optical fiber for bidirectional transmission by assigning different wavelengths to the two transmission directions.

    Q5. Which wavelengths are available?

    The product family uses complementary wavelength combinations including 1310nm/1550nm, 1550nm/1310nm, 1490nm/1550nm, and 1550nm/1490nm.

    Q6. Does it support MMF and SMF?

    Yes. The 2km configuration uses multimode fiber, while the longer-distance configurations use single-mode fiber.

    Q7. Which connectors are available?

    The product specifications list LC/SC connector options.

    Q8. Which protocols are supported?

    According to the C-LIGHT product specification, the interface protocol complies with SFF-8472 and the encapsulation protocol follows SFP MSA. The specific communication protocol depends on the selected multi-rate configuration.

    1M/100M/155M/622M BiDi SFP Optical Transceiver Solution Summary

    C-LIGHT 1M/100M/155M/622M BiDi SFP optical transceivers combine multi-rate optical operation with single-fiber bidirectional transmission. With configurations from 2km to 140km, complementary 1310nm/1550nm and 1490nm/1550nm wavelength options, and MMF and SMF support, the product family provides a flexible solution for Ethernet, SDH/SONET, industrial, enterprise, and legacy fiber networks. Its single-fiber architecture is particularly useful for deployments where efficient use of existing optical resources is a priority.

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    Quality inspection

    ●100% of products pass initial test, final test and factory inspection.

    ●3-step quality control management process.

    ●100% complete implementation of customer order quality requirements.

    ●100% guarantee of customer product data information security.



    Quality certification

    Please contact us to download the certification certificate.

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    Please Note: Installing a third party transceiver does not void your network equipment warranty. Network equipment manufacturers all have guidelines stating that warranty support on their products will not be affected.


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