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4G FC SFP
C-LIGHT independently develops 4G FC SFP optical modules, which support multiple transmission distances including 300m, 10km, 20km, 40km and 80km, and provide a transmission rate of up to 4Gb/s. Its communication protocol complies with Fibre Channel and IEEE 802.3, the interface protocol complies with SFF-8472, and the packaging protocol complies with SFP MSA. 4G FC SFP optical modules are mainly used in Fibre Channel networks and storage area networks, providing reliable support for storage and computing. 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 4G FC SFP optical module is compatible with more than 100 brands of switches, and promises to provide original after-sales service to help customers effectively control costs.
Factory warranty
Professional sales support
Technical Support
Professional free technical guidance
100% tested before shiping
Every product is 100% tested
Fast shipping
Abundant inventory ready for shipping
Product Details
Form Factor Part No. Fiber Type Data Rate Wavelength Distance Connector Case Temperature Note
SFP CLSFP154GZX80 SMF 4G 1550nm 80km LC Com./Ind.  
SFP CLSFP154GEX40 SMF 4G 1550nm 40km LC Com./Ind.  
SFP CLSFP134GLW40 SMF 4G 1310nm 40km LC Com./Ind.  
SFP CLSFP134GLW20 SMF 4G 1310nm 20km LC Com./Ind.  
SFP CLSFP134GLW SMF 4G 1310nm 10km LC Com./Ind.  
SFP CLSFP854GSW MMF 4G 850nm 300m LC 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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Phone:+86 158 1857 3751
Email : sales@c-light.com



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