• TK-B3512-3SCD20 SFP Bi-Directional Transceiver – 1.25Gbps, 20km, SC Interface, Single-Fiber Bidirectional for Gigabit Ethernet & Fibre Channel
  • TK-B3512-3SCD20 SFP Bi-Directional Transceiver – 1.25Gbps, 20km, SC Interface, Single-Fiber Bidirectional for Gigabit Ethernet & Fibre Channel
  • TK-B3512-3SCD20 SFP Bi-Directional Transceiver – 1.25Gbps, 20km, SC Interface, Single-Fiber Bidirectional for Gigabit Ethernet & Fibre Channel
  • TK-B3512-3SCD20 SFP Bi-Directional Transceiver – 1.25Gbps, 20km, SC Interface, Single-Fiber Bidirectional for Gigabit Ethernet & Fibre Channel
  • TK-B3512-3SCD20 SFP Bi-Directional Transceiver – 1.25Gbps, 20km, SC Interface, Single-Fiber Bidirectional for Gigabit Ethernet & Fibre Channel
  • TK-B3512-3SCD20 SFP Bi-Directional Transceiver – 1.25Gbps, 20km, SC Interface, Single-Fiber Bidirectional for Gigabit Ethernet & Fibre Channel
  • TK-B3512-3SCD20 SFP Bi-Directional Transceiver – 1.25Gbps, 20km, SC Interface, Single-Fiber Bidirectional for Gigabit Ethernet & Fibre Channel
TK-B3512-3SCD20 SFP Bi-Directional Transceiver – 1.25Gbps, 20km, SC Interface, Single-Fiber Bidirectional for Gigabit Ethernet & Fibre Channel

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
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

Highlight:

SFP Bi-Directional Transceiver 1.25Gbps 20km

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SC Interface Single-Fiber Transceiver

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Gigabit Ethernet Fibre Channel Transceiver

Product Description

TK-B3512-3SCD20 SFP Bi-Directional Transceiver

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.

Product Overview

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.

TK-B3512-3SCD20 SFP Bi-Directional Transceiver product image
Key Features
  • 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)
Applications
  • 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
TAKFLY manufacturing capabilities and quality control
Why Choose TAKFLY?

With 26 years of manufacturing experience in fiber optic products, TAKFLY delivers exceptional quality and reliability.

Manufacturing Excellence
  • 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
Quality Control Process
  • 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
Industry Presence

Active participation in major industry events including OFC, FOCC, ConnecAsia, NFTCOM, AFRICACOM, SMART ICT, Contelem, and Source Electronics Exhibition.

Delivery Information
  • Samples: 1-3 working days
  • Mass production orders: 3-7 working days
  • Packaging options: Plastic bag, carton, and pallet configurations available

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