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1.25G CSFP
C-LIGHT independently developed 1.25G CSFP optical module supports a variety of transmission distances, including 2km, 15km, 40km, 80km and 120km, and can provide a transmission rate of up to 1.25Gb/s. Its communication protocol complies with 802.3z, Gigabit Ethernet 1000BASE-2BX10, the interface protocol complies with SFF-8472, and the encapsulation protocol complies with CSFP MSA option2. 1.25G SFP optical modules are widely used in network equipment interconnection, data centers and cloud computing, enterprise networks and campus networks, and industrial Ethernet. C-LIGHT has more than 15 years of rich experience in the field of optical communications, focusing on providing spot supply and customized services, and is committed to providing customers with high-quality optical module solutions. In addition, the 1.25G CSFP optical module is compatible with more than 100 brands of switches, and guarantees to provide original after-sales service to help customers effectively control costs.
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Product Details
Form Factor Part No. Fiber Type Data Rate Wavelength Distance Connector Case Temperature Note
CSFP CLCSFPGEBD141580D SMF 1.25G Tx1490nm / Rx1550nm 80km Dual BIDl Com./Ind.  
CSFP CLCSFPGEBD151480D SMF 1.25G Tx1550nm / Rx1490nm 80km Dual BIDI Com./Ind.  
CSFP CLCSFPGEBD131460D SMF 1.25G Tx1310nm / Rx1490nm 60km Dual BIDI Com./Ind.  
CSFP CLCSFPGEBD141360D SMF 1.25G Tx1490nm / Rx1310nm 60km Dual BIDI Com./Ind.  
CSFP CLCSFPGEBD131440D SMF 1.25G Tx1310nm / Rx1490nm 40km Dual BIDI Com./Ind.  
CSFP CLCSFPGEBD141340D SMF 1.25G Tx1490nm / Rx1310nm 40km Dual BIDI Com./Ind.  
CSFP CLCSFPGEBD131540D SMF 1.25G Tx1310nm / Rx1550nm 40km Dual BIDI Com./Ind.  
CSFP CLCSFPGEBD151340D SMF 1.25G Tx1550nm / Rx1310nm 40km Dual BIDI Com./Ind.  
CSFP CLCSFPGEBD131420D SMF 1.25G Tx1310nm / Rx1490nm 20km Dual BIDI Com./Ind.  
CSFP CLCSFPGEBD141320D SMF 1.25G Tx1490nm / Rx1310nm 20km Dual BIDI Com./Ind.  
CSFP CLCSFPGEBD131520D SMF 1.25G Tx1310nm / Rx1550nm 20km Dual BIDI Com./Ind.  
CSFP CLCSFPGEBD151320D SMF 1.25G Tx1550nm / Rx1310nm 20km Dual BIDI Com./Ind.  
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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