2X2 ABS Fiber Splitter Box SC/APC Singlemode 2.0mm is a passive optical distribution component designed for FTTH and PON network architectures. It is based on PLC (Planar Lightwave Circuit) splitting technology and housed in an ABS enclosure to ensure mechanical protection and stable optical performance. The device provides 2×2 optical splitting capability for singlemode fiber systems, supporting signal distribution with controlled insertion loss and stable return loss characteristics under long-term environmental exposure.

## Basic Construction and Materials

The splitter assembly is integrated within an ABS box structure designed for fiber management and protection in distribution networks.

* Product type: ABS Box PLC Splitter
* Fiber mode: Singlemode
* Fiber quantity range: 2~288 cores (as defined in system configuration context)
* Connector interface: SC/APC
* Cable structure: Loose tube
* Sheath material: PE
* Fiber cable diameter: 2.0 mm
* Material shape: Round wire
* Operating environment: Outdoor usage

The structure is optimized for fiber routing, splicing, and distribution in FTTH access networks, with mechanical protection provided by the ABS enclosure.

## Mechanical and Environmental Characteristics

The product is designed for deployment in external network environments with consideration for mechanical stress and temperature variation.

* Operating temperature: -10°C ~ +70°C
* Storage/operating temperature (fiber specification reference): -40°C ~ +70°C
* Cable structure: Loose tube construction for improved strain isolation
* Installation condition: Can be installed without shutting off power
* Mechanical endurance: High durability under tensile and environmental stress
* Load resistance: Reduced load impact from wind and ice due to lightweight structure
* Span capability: Suitable for long span deployment, up to and beyond 1000 m (system dependent)
* Service life: Designed for long operational lifetime exceeding 30 years

## Optical Performance Characteristics

The optical transmission properties are defined by standard singlemode fiber performance parameters as specified for G.652 and G.655 classes, as well as multimode reference data where applicable.

G.652 singlemode fiber:

* Attenuation @1310 nm: ≤0.36 dB/km
* Attenuation @1550 nm: ≤0.22 dB/km
* Cut-off wavelength: ≤1260 nm

G.655 singlemode fiber:

* Attenuation @1310 nm: ≤0.40 dB/km
* Attenuation @1550 nm: ≤0.23 dB/km
* Cut-off wavelength: ≤1480 nm

Multimode reference fiber:

* 50/125 μm attenuation @850 nm: ≤3.0 dB/km
* 62.5/125 μm attenuation @850 nm: ≤3.0 dB/km
* Bandwidth @850 nm (Class A): ≥500 MHz·km (50/125 μm), ≥200 MHz·km (62.5/125 μm)
* Numerical aperture: 0.200 ± 0.015 NA (50/125 μm), 0.275 ± 0.015 NA (62.5/125 μm)

## Product Characteristics and Functional Attributes

The device is designed to maintain stable optical distribution performance in passive network systems.

* Low insertion loss and high return loss characteristics
* High mechanical stability and environmental reliability
* Good repeatability and exchangeability in connector interfaces
* 100% inspection coverage for insertion loss, return loss, end-face quality, and optical interference
* High credibility in long-term network operation

## Application Scope

The splitter is intended for passive optical network distribution where controlled optical splitting and stable signal transmission are required.

* FTTH (Fiber to the Home) distribution networks
* PON-based access networks
* Outdoor fiber distribution nodes
* Optical signal branching and network expansion points

## Packaging and Handling

The product is supplied in protective transport packaging suitable for fiber optic components.

* Transport packaging: Wooden drum
* Handling requirement: Fiber handling and bending radius control required during installation and routing