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1.25G SFP
C-LIGHT's independently developed 1.25G SFP optical module supports a variety of transmission distances, including 550m, 2km, 10km, 20km, 40km, 80km, 120km, 150km, and 180km. Its communication protocol complies with IEEE802.3x\z\ab, the interface protocol complies with SFF-8472, and the packaging protocol complies with SFP MSA. The 1.25G SFP optical module is a high-speed, flexible and reliable fiber-optic communication interface module widely used in scenarios such as network equipment interconnection, data centers, cloud computing, enterprise networks and campus networks, supporting a transmission rate of up to 1.25Gbps. 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 SFP optical module is compatible with switches from more than 100 brands, and guarantees original after-sales service to help customers effectively control costs.
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100% tested before shiping
Every product is 100% tested
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Abundant inventory ready for shipping
Product Details
Form Factor Part No. Fiber Type Data Rate Wavelength Distance Connector Case Temperature Note
SFP CLSFP15GEZXB44 SMF 1.25G 1550nm 44dB LC Com./Ind.  
SFP CLSFP15GE180D SMF 1.25G 1550nm 180km LC Com./Ind.  
SFP CLSFP15GEZXD150 SMF 1.25G 1550nm 150km LC Com./Ind.  
SFP CLSFP15GEZXD120 SMF 1.25G 1550nm 120km LC Com./Ind.  
SFP CLSFP15GEZXD SMF 1.25G 1550nm 80km LC Com./Ind.  
SFP CLSFP15GEEXD SMF 1.25G 1550nm 40km LC Com./Ind.  
SFP CLSFP13GEEXD SMF 1.25G 1310nm 40km LC Com./Ind.  
SFP CLSFP13GEEX SMF 1.25G 1310nm 40km LC Com./Ind.  
SFP CLSFP13GELXD SMF 1.25G 1310nm 20km LC Com./Ind.  
SFP CLSFP13GELX SMF 1.25G 1310nm 20km LC Com./Ind.  
SFP CLSFP85GESXD-2K MMF 1.25G 850nm 2km LC Com./Ind.  
SFP CLSFP13GESXD MMF 1.25G 1310nm 550m LC Com./Ind.  
SFP CLSFP85GESXD MMF 1.25G 850nm 550m LC Com./Ind.  
SFP CLSFP85GESX MMF 1.25G 850nm 550m 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
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