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The ABS BOX PLC Optical Fiber Splitter is engineered to take one stable optical signal and fan it out cleanly to four subscribers or network branches, without “starving” any output. Housed in a compact ABS cassette, the splitter looks and feels robust: a solid, lightweight rectangular module with clearly labeled input and output fibers, each connector clicking into place with a reassuring, firm sound.
Inside the box, PLC chip technology guides light through planar waveguides, ensuring that every output port receives a predictable share of the input signal. This makes it ideal for FTTx and PON deployments, where you may have dozens or hundreds of homes or devices relying on a single backbone fiber. Instead of building separate fibers for each user, you install this 1×4 ABS box splitter in a distribution cabinet, close the door, and know the network will continue to run quietly and predictably in the background.
For B2B buyers – ISPs, system integrators, data center operators and project contractors – this splitter helps reduce per-subscriber costs, simplify field deployment and minimize future maintenance. It is built for long-term outdoor and indoor applications, maintaining performance across wide temperature swings and repeated handling during installation and upgrades.
Stable 1×4 PLC splitting:
Uses PLC chip technology to guarantee consistent splitting ratios and predictable performance across all four outputs.
Low loss, high uniformity:
Typical insertion loss for 1×4 is around 7.4 dB with loss uniformity of 0.6 dB, helping you maintain usable power budgets even in long PON chains.
Low polarization dependent loss (PDL):
PDL as low as 0.15 dB minimizes signal fluctuation caused by polarization changes, improving link stability for high-speed services.
High return loss and reliability:
Return loss up to 60 dB (APC) reduces back-reflection, protecting transmitters and improving overall system health.
Rugged ABS box design:
Compact ABS housing provides mechanical protection, dust resistance and easy handling for installers in cramped cabinets and outdoor closures.
Flexible connector & fiber options:
Supports G.652D / G.657A fiber, with SC/APC as standard and optional FC / LC connectors available to match your network design.

The ABS BOX PLC Optical Fiber Splitter is engineered to take one stable optical signal and fan it out cleanly to four subscribers or network branches, without “starving” any output. Housed in a compact ABS cassette, the splitter looks and feels robust: a solid, lightweight rectangular module with clearly labeled input and output fibers, each connector clicking into place with a reassuring, firm sound.
Inside the box, PLC chip technology guides light through planar waveguides, ensuring that every output port receives a predictable share of the input signal. This makes it ideal for FTTx and PON deployments, where you may have dozens or hundreds of homes or devices relying on a single backbone fiber. Instead of building separate fibers for each user, you install this 1×4 ABS box splitter in a distribution cabinet, close the door, and know the network will continue to run quietly and predictably in the background.
For B2B buyers – ISPs, system integrators, data center operators and project contractors – this splitter helps reduce per-subscriber costs, simplify field deployment and minimize future maintenance. It is built for long-term outdoor and indoor applications, maintaining performance across wide temperature swings and repeated handling during installation and upgrades.
Stable 1×4 PLC splitting:
Uses PLC chip technology to guarantee consistent splitting ratios and predictable performance across all four outputs.
Low loss, high uniformity:
Typical insertion loss for 1×4 is around 7.4 dB with loss uniformity of 0.6 dB, helping you maintain usable power budgets even in long PON chains.
Low polarization dependent loss (PDL):
PDL as low as 0.15 dB minimizes signal fluctuation caused by polarization changes, improving link stability for high-speed services.
High return loss and reliability:
Return loss up to 60 dB (APC) reduces back-reflection, protecting transmitters and improving overall system health.
Rugged ABS box design:
Compact ABS housing provides mechanical protection, dust resistance and easy handling for installers in cramped cabinets and outdoor closures.
Flexible connector & fiber options:
Supports G.652D / G.657A fiber, with SC/APC as standard and optional FC / LC connectors available to match your network design.

| Type | 1x2 | 1x4 | 1x8 | 1x16 | 1x32 | 1x64 | 2x2 | 2x4 | 2x8 | 2x16 | 2x32 | 2x64 |
| Operating Wavelength(nm) | 1260~1650 | |||||||||||
| Insertion Loss | 4.1 | 7.4 | 10.6 | 13.7 | 16.7 | 20.4 | 4.5 | 7.7 | 11.2 | 14.7 | 17.5 | 21.5 |
| Loss Uniformity | 0.6 | 0.6 | 0.8 | 1.2 | 1.5 | 2.5 | 0.8 | 0.8 | 1.5 | 2.0 | 2.5 | 2.5 |
| Polarization Dependent Loss | 0.15 | 0.15 | 0.25 | 0.3 | 0.3 | 0.3 | 0.2 | 0.2 | 0.3 | 0.4 | 0.4 | 0.4 |
| Durability | ≥1000times | |||||||||||
| Operating Temperature | -40℃~+85℃ | |||||||||||
| Tensile Strength | 70N | |||||||||||
| Return Loss(db) | PC:45 CPU:55 APC:60 | |||||||||||
| Type | 1x2 | 1x4 | 1x8 | 1x16 | 1x32 | 1x64 | 2x2 | 2x4 | 2x8 | 2x16 | 2x32 | 2x64 |
| Operating Wavelength(nm) | 1260~1650 | |||||||||||
| Insertion Loss | 4.1 | 7.4 | 10.6 | 13.7 | 16.7 | 20.4 | 4.5 | 7.7 | 11.2 | 14.7 | 17.5 | 21.5 |
| Loss Uniformity | 0.6 | 0.6 | 0.8 | 1.2 | 1.5 | 2.5 | 0.8 | 0.8 | 1.5 | 2.0 | 2.5 | 2.5 |
| Polarization Dependent Loss | 0.15 | 0.15 | 0.25 | 0.3 | 0.3 | 0.3 | 0.2 | 0.2 | 0.3 | 0.4 | 0.4 | 0.4 |
| Durability | ≥1000times | |||||||||||
| Operating Temperature | -40℃~+85℃ | |||||||||||
| Tensile Strength | 70N | |||||||||||
| Return Loss(db) | PC:45 CPU:55 APC:60 | |||||||||||
1X4 ABS box-type PLC fiber optic splitter is a high-performance fiber optic signal distribution solution used for fiber optic signal segmentation and distribution in fiber optic communication systems. It adopts PLC (Planar Waveguide Fiber Coupler) technology, has excellent light splitting performance and reliability, and can be widely used in fiber optic networks, fiber optic sensors, fiber optic measurement and other fiber optic applications.
High-performance optical splitting performance: The 1X4 ABS box-type PLC optical fiber splitter adopts advanced PLC technology and has the characteristics of low insertion loss, low uniformity loss and high return loss to ensure accurate distribution and transmission of signals.
Reliable and stable connection: The product adopts precision design and high-quality materials to ensure stable fiber optic connection and long-term reliability.
Compact ABS cassette design: The product adopts a compact ABS cassette housing for easy installation and wiring while providing good mechanical protection and dustproof performance.
Wide wavelength range: suitable for commonly used optical fiber communication wavelength ranges, such as 1310nm and 1550nm, etc.
Multiple interface options: The product provides a variety of common optical fiber interface options, such as FC, SC, LC, etc., to meet different application needs.
Fiber optic signal segmentation and distribution in fiber optic communication systems
Fiber optic networks and fiber optic sensors
Fiber optic measurement and fiber monitoring systems
Other fiber optic applications
1X4 ABS box-type PLC fiber optic splitter is a high-performance fiber optic signal distribution solution used for fiber optic signal segmentation and distribution in fiber optic communication systems. It adopts PLC (Planar Waveguide Fiber Coupler) technology, has excellent light splitting performance and reliability, and can be widely used in fiber optic networks, fiber optic sensors, fiber optic measurement and other fiber optic applications.
High-performance optical splitting performance: The 1X4 ABS box-type PLC optical fiber splitter adopts advanced PLC technology and has the characteristics of low insertion loss, low uniformity loss and high return loss to ensure accurate distribution and transmission of signals.
Reliable and stable connection: The product adopts precision design and high-quality materials to ensure stable fiber optic connection and long-term reliability.
Compact ABS cassette design: The product adopts a compact ABS cassette housing for easy installation and wiring while providing good mechanical protection and dustproof performance.
Wide wavelength range: suitable for commonly used optical fiber communication wavelength ranges, such as 1310nm and 1550nm, etc.
Multiple interface options: The product provides a variety of common optical fiber interface options, such as FC, SC, LC, etc., to meet different application needs.
Fiber optic signal segmentation and distribution in fiber optic communication systems
Fiber optic networks and fiber optic sensors
Fiber optic measurement and fiber monitoring systems
Other fiber optic applications