FBT Coupler (65/35 Steel Tube Type) – Precision Optical Signal Splitter for Efficient Network Management
The FBT Coupler (65/35 Steel Tube Type) is a highly reliable passive optical device designed to split or combine optical signals in fiber optic communication systems. Manufactured using the Fused Biconical Taper (FBT) technology, this coupler ensures a stable and efficient optical signal distribution, making it suitable for various fiber network applications such as FTTH, CATV, data transmission, and telecommunication systems.
With a 65/35 splitting ratio, this coupler is engineered to divert 65% of the signal to the primary path and 35% to the secondary path, enabling effective signal monitoring, load sharing, or dual-path distribution without compromising network efficiency. The robust steel tube housing offers exceptional mechanical strength and environmental resistance, making it ideal for both indoor rack setups and harsh outdoor installations.
Key Features
65/35 Optical Splitting Ratio
Ensures 65% of the optical signal is directed to the main output and 35% to a secondary output—perfect for applications requiring simultaneous signal usage across two paths.
Fused Biconical Taper (FBT) Technology
Offers high performance and durability by fusing and tapering fibers under precise control. This traditional technique is well-known for its cost-effectiveness and consistent performance.
Steel Tube Protection
Encased in a steel tube for mechanical protection against pressure, bending, and environmental exposure. Guarantees long-term usage even in rugged conditions.
Wide Wavelength Compatibility
Supports a wide operating wavelength range (1260nm to 1650nm), ensuring flexibility across various fiber optic systems.
Low Insertion and Excess Loss
Designed to minimize optical loss, thus maintaining signal integrity and transmission quality throughout the network.
Single Mode Fiber Compatible
Optimized for single-mode fiber networks, adhering to G.652D or G.657A standards.
Technical Specifications
Parameter | Specification |
---|---|
Splitting Ratio | 65% / 35% |
Operating Wavelength | 1260 nm – 1650 nm |
Insertion Loss | ≤ 0.35 dB (Main), ≤ 5.0 dB (Branch) |
Excess Loss | ≤ 0.2 dB |
Return Loss | ≥ 50 dB |
Directivity | ≥ 55 dB |
Fiber Type | Single Mode (G.652D / G.657A) |
Connector Type | SC/APC, SC/UPC, LC/APC, LC/UPC (Optional) |
Package Type | Steel Tube Encapsulation |
Operating Temperature | -40°C to +85°C |
Storage Temperature | -40°C to +85°C |
Applications
This FBT Coupler is widely used across several industries and applications due to its versatility and efficient performance:
FTTH (Fiber-to-the-Home) Networks
Passive Optical Networks (PON)
CATV and Broadcasting Systems
Fiber Signal Monitoring
Optical Testing and Measurement Systems
Data Centers and Enterprise Networking
Whether it is used to split the signal for dual usage or to route a portion of the signal for surveillance or analysis, the 65/35 FBT coupler fulfills its role effectively and reliably.
Advantages
✅ Efficient Dual Path Distribution – Achieves accurate and stable splitting for primary and secondary applications.
✅ Rugged and Reliable – Steel tube design ensures protection from environmental and mechanical impacts.
✅ Highly Compatible – Works with major fiber systems and interfaces with popular connectors.
✅ Cost-Effective Optical Splitting – Delivers solid performance without a high price tag.
✅ Compact and Lightweight – Easy to install and integrate into existing fiber infrastructure.
Why Choose FBT Coupler (65/35 Steel Tube Type)?
This coupler is a trusted solution for fiber optic professionals and network engineers who demand durable, precise, and efficient optical splitting. Its 65/35 split makes it ideal for applications requiring more signal strength on one output and partial distribution to a second.
Manufactured with stringent quality control standards, each coupler undergoes extensive testing for insertion loss, return loss, and environmental durability. Its steel tube construction ensures longevity and consistent performance even in demanding conditions.
Conclusion
The FBT Coupler (65/35 Steel Tube Type) (2 NOS) offers a perfect blend of performance, reliability, and practicality. Whether deployed in a large telecom infrastructure or a compact FTTH setup, this coupler delivers exceptional signal splitting accuracy while minimizing loss and reflection. Built with high-grade materials and advanced FBT technology, it is a smart choice for any professional fiber optic network application.