Finisar FCLF8521P2BTL Fiber Optical Module 1000BASE-T Copper RJ45 100m SFP Transceiver
Original II-VI Finisar FCLF8521P2BTL FCLF8522P2BTL Module 1000BASE-T Copper RJ45 SFP Transceiver 100m
Parameters
| Fiber Type |
1.25G Ethernet
|
| Connector | Duplex LC receptacles |
| Lasers and TIA | VCSEL and PIN |
| Tx Power | -5~-1 dBm |
| Rx Sensitivity | -12 dBm |
| Extinction Ratio | 5.5 dB |
| Power Consumption | 1W |
| Single Power Supply | 3.3 V |
Finisar FCLF8521P2BTL Optical Transceiver Module
Description: The Finisar FCLF8521P2BTL is a high-quality optical transceiver module designed for use in various networking applications. It offers reliable and efficient data transmission over fiber optic cables, delivering high-speed connectivity with low power consumption.
Key Features:
- Form Factor: SFP (Small Form-factor Pluggable)
- Data Rate: 1.25 Gbps
- Transmission Distance: Up to 10 kilometers
- Wavelength: 1310 nm
- Fiber Type: Single-mode fiber (SMF)
- Connector Type: LC duplex connector
- Digital Diagnostics Monitoring (DDM): Enables real-time monitoring of key parameters for enhanced network management
- Hot-swappable: Allows for easy installation and replacement without disrupting network operations
- Low Power Consumption: Energy-efficient design minimizes power consumption and operating costs
- Wide Operating Temperature Range: Suitable for deployment in various environmental conditions
- Compliance: Meets industry standards and regulations for compatibility and reliability
Applications:
- Data center networking
- Enterprise networks
- Telecom networks
- Metro and long-haul networks
- Storage area networks (SANs)
Technical Specifications:
- Optical Output Power: Minimum XX dBm
- Receiver Sensitivity: Maximum XX dBm
- Operating Temperature Range: -5°C to 70°C
- Supply Voltage: XX V (typical)
- Power Consumption: XX Watts (typical)

FAQ OF SFP+
1. Are your Optical Transceivers original?
Yes, all our optical transceivers are guaranteed 100% original!
2. What will you do if I found the product has any quality problem?
We back up every sale with our risk-free money-back guarantee! You can buy with confidence from a company in good faith that has been serving its clients for over 10 years!
3. What did your company do in terms of quality control?
We have professional testing equipment and QC team. Every unit will be fully tested with perfect performance before shipping.
4. What are the trade terms?
Lead Time: 1 day after confirm your payment (In stock, we need 1 day to fully test them)
Payment term: Western Union, T/T, Aliexpress Escow, Money Gram
Warranty: 1 Year
5. Do you have compatible ones?
Yes, we have our own brand—Toptrans, including SFP, XFP, SFP+, Bidi in all kinds of specifications.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.




