Rack-Mountable Fiber Optic PLC Splitter Supplier

The rack-mounted fiber optic PLC (planar optical waveguide) splitter is a passive optical device installed in a standard 19-inch communication rack. Its core function is to split a single input optical signal to multiple output ports (such as 1x4, 1x8, 1x16, 1x32, 1x64). Its core is based on optical waveguide circuits on a quartz substrate to achieve splitting, with the characteristics of precise splitting ratio, wavelength insensitivity (1260-1650nm), and low polarization-related loss.

1. Physical structure and characteristics
Housing: A metal shell with a standard 19-inch rack width (usually 1U or 2U height) with good heat dissipation and electromagnetic shielding.
Modular design: Usually contains multiple independent PLC splitter modules (such as plug-in card or tray type), supporting flexible configuration and expansion.
Port: The input/output ports are standard fiber optic adapters (such as SC/UPC, LC/UPC) located on the front of the panel for easy operation. The port configuration is clearly marked (such as: IN, OUT1-OUTn).
Pigtail type: Internal connections usually use bend-resistant single-mode fiber (such as G.657.A1/A2).
Installation: Provide rack mounting ears that comply with the EIA-310-D standard and are fixed to a 19-inch communication cabinet/rack with screws.
Goshining Advantage: Customizable port configurations and split ratios to align with your network topology.

2. Key optical performance parameters
Split ratio: A clear split ratio (such as 1:4, 1:32).
Operating wavelength: Usually supports the range of 1260nm to 1650nm, covering the main communication windows of single-mode fiber (O/E/S/C/L bands).
Insertion loss: The inherent attenuation of the signal passing through the splitter. The typical value increases with the increase of the split ratio (for example: 1x8 is about 10.5dB ± 0.8dB).
Uniformity: The maximum difference in insertion loss between each output port (typical value: ≤1.0dB).
Polarization-dependent loss: The loss change caused by the change in the polarization state of the input light (typical value: ≤0.2dB).
Directivity: Isolation between input port and output port (typical value: ≥55dB).
Return loss: Ratio of reflected optical power at input port to incident optical power (typical value for UPC interface: ≥50dB).
Operating temperature range: Typically -40°C to +85°C (or -5°C to +70°C).
Storage temperature range: Typically -40°C to +85°C.
Goshining Quality: Rigorous testing ensures industry-leading consistency and longevity.

3. Main advantages
High-density integration: Integrate a large number of branch ports in a limited rack space to optimize space utilization.
Centralized management: Facilitates unified wiring, maintenance and management in a central machine room, optical distribution frame (ODF) or base station.
High reliability: PLC chip technology is mature, the structure is stable, there are no moving parts, and the service life is long.
Environmental adaptability: The sturdy casing provides good physical protection and temperature stability.
Good consistency: PLC technology ensures that the loss and wavelength response of each channel are highly consistent.
Wide working bandwidth: Supports current and future mainstream single-mode fiber communication wavelengths.

4. Typical application scenarios
Fiber to the home (FTTH/PON network): Realize signal distribution from a single feeder fiber to multiple users (ONU) at the central office (OLT side) or optical distribution point (optical branching point in ODN) (commonly used 1310/1490/1550nm).
Cable TV (CATV) optical transmission: Distribute downlink broadcast signals at optical nodes (commonly used 1550nm).
Fiber optic local area network (LAN) and data center: Used for signal distribution of backbone optical fibers.
Distributed antenna system (DAS): Distribute optically carried RF signals to multiple antennas.
Testing and monitoring: Distribute signals to multiple test equipment or monitoring points at the same time.

5. Installation and deployment considerations
Cabinet space and heat dissipation: Plan sufficient rack space (U position) and ensure that the cabinet is well ventilated.
Fiber management: Use tools such as cable management rings and fiber optic troughs to lay out input/output pigtails in an orderly manner to avoid excessive bending (bending radius ≥ 30mm) and extrusion to prevent additional loss or damage. Reserve an appropriate length of fiber for maintenance operations.
Port cleaning: Before installing the connection, use professional fiber optic cleaning tools to clean the fiber optic connector end face and the inside of the splitter adapter to avoid dust pollution that causes increased loss or connection failure.
Connection operation: Align the adapter type (such as SC/LC) and the end face type (such as UPC/APC) to ensure that the plug is fully inserted into the adapter and locked in place.
Label identification: Clearly mark the corresponding relationship and purpose of the input and output ports to facilitate future maintenance and troubleshooting.
Test verification: After installation, use an optical power meter and a stable light source to perform an end-to-end link loss test to verify whether the splitter performance and the overall link meet the standards.

6. Relevant standards and certifications
The design, production and testing of rack-mounted PLC splitters usually follow international and industry standards, including but not limited to:
Telcordia GR-1209-CORE / GR-1221-CORE
IEC 61300-3 (series of standards)
IEC 61753-1 & IEC 61753-021-2 / 021-3
TIA/EIA-455-B (FOTP series)
ITU-T G.671
RoHS (Restriction of Hazardous Substances Directive)