AB type optical module
An AB type optical module, often referred to as an ABS module PLC fiber splitter, is a compact, protective housing for planar lightwave circuit splitters used in fiber optic networks.
Overview
The AB type optical module integrates a Planar Lightwave Circuit (PLC) splitter into a durable ABS housing, providing a low-cost, reliable solution for distributing optical signals from a central office to multiple endpoints in PON networks such as EPON, GPON, XGS-PON, and FTTH/FTTx systems . It is designed to offer low insertion loss, low polarization-dependent loss (PDL), and high reliability, making it suitable for both high-density and low-density network deployments .
Structure and Components
- PLC Splitter Core: Uses silica optical waveguide technology to split or combine optical signals efficiently .
- ABS Housing: Protects internal optical components and allows for quick field installation .
- Connectors: Available in SC, LC, FC, or ST types, often with APC or UPC polish options .
- Split Ratios: Supports a wide range of configurations, including 1xN and 2xN models (e.g., 1x2, 1x4, 2x8, up to 1x128), customizable to network requirements .
Key Features
- Centralized Fiber Management: All splitters are housed in one location for easier network management .
- Network Flexibility: Facilitates simple upgrades and scaling while reducing the number of splice points .
- Efficient Fiber Utilization: Minimizes fiber count and optimizes optical power distribution from the OLT .
- Durability: ABS housing provides mechanical protection and environmental resistance for outdoor or indoor installations .
Applications
AB type optical modules are widely used in passive optical networks to distribute optical signals efficiently. They are ideal for:
- FTTH/FTTx deployments
- EPON, GPON, and XGS-PON networks
- High-density network environments requiring scalable and reliable optical splitting
Summary
In essence, the AB type optical module combines a PLC splitter with a protective ABS enclosure, offering a compact, reliable, and flexible solution for optical signal distribution in modern fiber optic networks. Its customizable split ratios, connector options, and robust design make it a key component in efficient PON deployments .
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