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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.
3-year warranty
Long term maintenance
Technical Support
Professional free technical guidance
100% detection
Each module is 100% tested
Spot stock
Always in stock, short delivery time
Product Details
Form FactorPart No.Fiber TypeData RateWavelengthDistanceConnectorCase TemperatureNote
CSFPCLCSFPGEBD141580DSMF1.25GTx1490nm/Rx1550nm80kmDual BIDlCom./Ind.
CSFPCLCSFPGEBD151480DSMF1.25GTx1550nm/Rx1490nm80kmDual BIDICom./Ind.
CSFPCLCSFPGEBD131460DSMF1.25GTx1310nm/Rx1490nm60kmDual BIDICom./Ind.
CSFPCLCSFPGEBD141360DSMF1.25GTx1490nm/Rx1310nm60kmDual BIDICom./Ind.
CSFPCLCSFPGEBD131440DSMF1.25GTx1310nm/Rx1490nm40kmDual BIDICom./Ind.
CSFPCLCSFPGEBD141340DSMF1.25GTx1490nm/Rx1310nm40kmDual BIDICom./Ind.
CSFPCLCSFPGEBD131540DSMF1.25GTx1310nm/Rx1550nm40kmDual BIDICom./Ind.
CSFPCLCSFPGEBD151340DSMF1.25GTx1550nm/Rx1310nm40kmDual BIDICom./Ind.
CSFPCLCSFPGEBD131420DSMF1.25GTx1310nm/Rx1490nm20kmDual BIDICom./Ind.
CSFPCLCSFPGEBD141320DSMF1.25GTx1490nm/Rx1310nm20kmDual BIDICom./Ind.Data Sheet
CSFPCLCSFPGEBD131520DSMF1.25GTx1310nm/Rx1550nm20kmDual BIDICom./Ind.
CSFPCLCSFPGEBD151320DSMF1.25GTx1550nm/Rx1310nm20kmDual BIDICom./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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