TK-B3512-3SCD20 SFP Bi-Directional Transceiver – 1.25Gbps, 20km, SC Interface, Single-Fiber Bidirectional for Gigabit Ethernet & Fibre Channel
Product Details:
| Place of Origin: | ShenZhen & ZhongShan China |
| Brand Name: | DF/OEM/Nuetral |
| Certification: | CE/ROHS/CPR EN50575/ISO9001 /ISO14001 |
| Model Number: | TK-B3512-3SCD20 |
Payment & Shipping Terms:
| Minimum Order Quantity: | 1 |
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| Price: | Can be negotiation |
| Packaging Details: | Carton |
| Delivery Time: | 5-9 Works depend on the QTY |
| Payment Terms: | T/T,Paypal |
| Supply Ability: | 3000PCS/Week |
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Detail Information |
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| Highlight: | SFP Bi-Directional Transceiver 1.25Gbps 20km,SC Interface Single-Fiber Transceiver,Gigabit Ethernet Fibre Channel Transceiver |
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Product Description
High-performance 1.25Gbps SFP Bi-Directional transceiver with 20km reach, SC interface, and single-fiber bidirectional technology for Gigabit Ethernet and Fibre Channel applications.
The TK-B3512-3SCD20 SFP Bi-Directional transceiver utilizes advanced single-fiber bidirectional technology to enable simultaneous transmission and reception of optical signals over a single strand of single-mode fiber. This innovative approach effectively doubles the capacity of existing fiber infrastructure while supporting transmission distances up to 20km.
Compliant with SFP Multi-Source Agreement (MSA) and SFF-8472 standards, this hot-swappable module features digital diagnostic monitoring (DDM/DOM) capabilities and meets Class I laser safety requirements. The transceiver ensures compatibility with major networking equipment from Cisco, Huawei, H3C, Juniper, and other leading brands.
- Dual data-rate operation: 1.25Gbps/1.063Gbps
- 1310nm FP laser and PIN photodetector for 20km transmission
- Compliant with SFP MSA and SFF-8472 standards
- Simplex SC receptacle interface
- Digital diagnostic monitoring capabilities
- Internal or external calibration options
- Compatible with SONET OC-24-LR-1
- RoHS compliant
- +3.3V single power supply
- Operating temperature ranges: 0°C to +70°C (Commercial) / -40°C to +85°C (Industrial)
- Gigabit Ethernet networks
- 1.0625Gbps Fibre Channel
- Point-to-point fiber links
- Access networks and metro edge deployments
- Data center interconnects
- Enterprise network infrastructure
- Long-haul single-fiber link applications
With 26 years of manufacturing experience in fiber optic products, TAKFLY delivers exceptional quality and reliability.
- Experienced assembly team: 80+ workers with 6+ years of experience
- Strong R&D capability: 10+ dedicated engineers
- Advanced production equipment: 16 German injection machines and production lines
- Comprehensive testing facilities: 30+ testing instruments including OTDR, ILD, VFL, RL, IL, and specialized testers
- OEM branding accepted with custom logo options
- Incoming inspection: Raw material spot checking
- In-process inspection: Full inspection at each production stage
- Pre-packaging inspection: Complete finished product verification
- Pre-shipping inspection: Final quality assurance spot checking
Active participation in major industry events including OFC, FOCC, ConnecAsia, NFTCOM, AFRICACOM, SMART ICT, Contelem, and Source Electronics Exhibition.
- Samples: 1-3 working days
- Mass production orders: 3-7 working days
- Packaging options: Plastic bag, carton, and pallet configurations available









