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| Form Factor | Part No. | Fiber Type | Data Rate | Wavelength | Distance | Connector | Case Temperature | Note |
| BIDI SFP | CLSFP25BD1415120D | SMF | 2.5G | 1490nm/1550nm | 120km | LC/SC | Com./Ind. | |
| BIDI SFP | CLSFP25BD1514120D | SMF | 2.5G | 1550nm/1490nm | 120km | LC/SC | Com./Ind. | |
| BIDI SFP | CLSFP25BD141580D | SMF | 2.5G | 1490nm/1550nm | 80km | LC/SC | Com./Ind. | |
| BIDI SFP | CLSFP25BD151480D | SMF | 2.5G | 1550nm/1490nm | 80km | LC/SC | Com./Ind. | |
| BIDI SFP | CLSFP25BD131540D | SMF | 2.5G | 1310nm/1550nm | 40km | LC/SC | Com./Ind. | |
| BIDI SFP | CLSFP25BD151340D | SMF | 2.5G | 1550nm/1310nm | 40km | LC/SC | Com./Ind. | |
| BIDI SFP | CLSFP25BD131520D | SMF | 2.5G | 1310nm/1550nm | 20km | LC/SC | Com./Ind. | |
| BIDI SFP | CLSFP25BD151320D | SMF | 2.5G | 1550nm/1310nm | 20km | LC/SC | Com./Ind. | |
| BIDI SFP | CLSFP25BD131505D | SMF | 2.5G | 1310nm/1550nm | 5km | LC/SC | Com./Ind. | |
| BIDI SFP | CLSFP25BD151305D | SMF | 2.5G | 1550nm/1310nm | 5km | LC/SC | Com./Ind. | |
| BIDI SFP | CLSFP25BD1315MM | MMF | 2.5G | 1310nm/1550nm | 300m | LC/SC | Com./Ind. | |
| BIDI SFP | CLSFP25BD1513MM | MMF | 2.5G | 1550nm/1310nm | 300m | LC/SC | Com./Ind. | |
C-LIGHT 2.5G BiDi SFP optical transceivers are designed for bidirectional data transmission over a single optical fiber. By using different wavelengths for upstream and downstream signals, the BiDi architecture enables two-way communication while reducing the number of fiber strands required for a link.
The product family supports data rates up to 2.5Gb/s and provides transmission options from 300m to 120km. The portfolio combines multimode and single-mode configurations with complementary wavelength pairs, allowing the optical module to be selected according to both link distance and existing fiber infrastructure.
The modules support optical transmission rates up to 2.5Gb/s for compatible Ethernet and fiber networking applications.
BiDi technology carries transmit and receive signals through the same fiber strand, helping reduce fiber consumption in network deployments.
The product family includes 300m, 5km, 20km, 40km, 80km, and 120km configurations for different network distances.
The 5km to 40km configurations use complementary 1310nm/1550nm and 1550nm/1310nm wavelength combinations.
The 80km and 120km configurations use 1490nm/1550nm or 1550nm/1490nm wavelength pairs for extended transmission.
The 300m versions use multimode fiber and complementary 1310nm/1550nm wavelength configurations.
The listed product configurations support LC/SC connector options, providing flexibility for different fiber connection environments.
The available configurations support commercial and industrial case-temperature options for different deployment conditions.
2.5G BiDi modules can provide bidirectional optical links between compatible data center equipment while making efficient use of available fiber resources.
The single-fiber architecture is suitable for enterprise backbone links where existing fiber infrastructure needs to support additional optical connectivity.
The 20km, 40km, 80km, and 120km configurations provide options for longer optical paths used in metropolitan and access network environments.
Long-distance BiDi configurations can be used in suitable fiber access deployments where bidirectional transmission over a single fiber is advantageous.
BiDi technology can help network operators expand connectivity without requiring a second fiber strand for the return transmission path.
Single-fiber operation provides a practical option for locations where fiber resources are limited or existing cabling needs to be used more efficiently.
The main advantage of the BiDi design is its ability to support bidirectional communication through one fiber strand, helping optimize existing fiber capacity.
With configurations ranging from 300m to 120km, the product family can address both short-distance and extended network connections.
Each BiDi link uses complementary wavelength configurations so that the two ends can transmit and receive on the appropriate optical channels.
The portfolio includes a 300m multimode configuration together with single-mode options for 5km through 120km links.
LC and SC connector options are available according to the listed product configurations and deployment requirements.
C-LIGHT states that its 2.5G BiDi SFP optical modules are compatible with switches from more than 100 brands.
C-LIGHT states that 100% of products pass initial testing, final testing, and factory inspection through a three-step quality-control process.
C-LIGHT provides customized optical solutions, technical guidance, compatibility support, spot supply, and after-sales services for different deployment requirements.
A 2.5G BiDi SFP optical transceiver is a compact module that supports bidirectional optical communication through a single fiber by using different wavelengths for the transmit and receive directions.
C-LIGHT provides 300m, 5km, 20km, 40km, 80km, and 120km configurations for the 2.5G BiDi SFP family.
No. The BiDi architecture is designed to transmit and receive through one fiber strand using different optical wavelengths.
The 300m, 5km, 20km, and 40km configurations use 1310nm/1550nm or 1550nm/1310nm wavelength pairs, while the 80km and 120km configurations use 1490nm/1550nm or 1550nm/1490nm pairs.
The 300m configuration uses multimode fiber, while the 5km, 20km, 40km, 80km, and 120km configurations use single-mode fiber.
The listed configurations support LC/SC connector options.
According to the C-LIGHT product specification, the communication protocol complies with IEEE 802.3, the interface protocol follows SFF-8472, and the packaging protocol complies with SFP MSA.
A BiDi SFP can provide bidirectional communication through one fiber strand, making it useful when fiber resources are limited or when an existing single-fiber infrastructure needs to be used efficiently.
C-LIGHT 2.5G BiDi SFP optical transceivers provide a single-fiber solution for bidirectional network transmission at rates up to 2.5Gb/s. With reach options from 300m to 120km, multimode and single-mode fiber configurations, complementary wavelength pairs, and LC/SC connector choices, the product family can address a broad range of data center, enterprise, metropolitan, and fiber access network requirements. Its single-fiber architecture makes it especially suitable for deployments where efficient use of existing fiber resources is important.
Contact Us●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.
Please contact us to download the certification certificate.
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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