Cassette PLC Splitter for Protected PON Distribution
BWNFiber supplies the cassette PLC splitter in a protected ABS module with input and output pigtails for distribution boxes, cabinets and optical panels. Select the exact 1×N or 2×N layout, module fit, fiber diameter, pigtail length, connector and optical limits for the approved PON design.
Cassette PLC Splitter Product Range
BWN-PLC-CT-2.0 2×4 SC/APC Cassette-Type PLC Splitter
BWN-PLC-CT-1X16-SC-APC-2.0 1×16 Cassette PLC Splitter SC/APC (2.0mm Leads)
BWN-PLC-CT-1X16-SC-UPC-2.0 1×16 Cassette PLC Splitter SC/UPC (2.0mm Leads)
BWN-PLC-CT-1X32-SC-APC-2.0 1×32 SC/APC Cassette-Type PLC Splitter
BWN-PLC-CT-1X32-LC-APC-2.0 1×32 LC/APC Cassette-Type PLC Splitter
BWN-PLC-CT-1X64-APC 1×64 Cassette-Type PLC Splitter, SC/APC 3.0mm to LC/APC 2.0mm
BWN-PLC-CT-2X8-SC-APC-2.0 2×8 SC/APC Cassette-Type PLC Splitter
BWN-PLC-CT-2X32-SC-APC-2.0 2×32 SC/APC Cassette-Type PLC Splitter
BWN-PLC-CT-2X64-SC-APC-2.0 2×64 SC/APC Cassette-Type PLC Splitter
BWN-PLC-CT-1X4-SC-APC Cassette Type 1×4 SC/APC Fiber PLC Splitter
BWN-PLC-CT-1X8-SC-UPC-2.0 Cassette Type 1×8 SC/UPC Gpon Fiber Splitter 2.0mm
What Is a Cassette PLC Splitter?
A cassette PLC splitter is a planar-lightwave-circuit optical power splitter packaged inside an ABS plastic module with input and output fiber pigtails. It divides one or two optical inputs into multiple outputs for PON and FTTH networks, and is installed inside a fiber distribution box, optical cabinet or panel that provides environmental protection and cable management.
Find a Cassette PLC Splitter for Your Host Enclosure
Start with the published products above, then eliminate models that do not match the channel configuration, optical budget, ABS module space, pigtail construction, connector interface or available fiber-routing area.
How to Choose a Cassette PLC Splitter
Choose a cassette PLC splitter by matching the exact 1×N or 2×N configuration, optical budget, ABS module dimensions, pigtail construction and connector interface to the host enclosure. Do not select by output count alone; verify the complete installed assembly against the approved PON design.
| 1×N or 2×N Configuration | State the exact input and output count. For a 2×N design, explain how both inputs are used and define the required input and output identification. |
|---|---|
| Split Plan and Port Map | Define the output division, cascade stage if used and port-label sequence. Confirm that the host enclosure provides enough splice or adapter capacity for every input and output. |
| Optical Budget | Calculate acceptable loss for every route, including the splitter, connectors, splices, fiber distance, equipment margin and any cascaded splitter stage. |
| ABS Module Dimensions | Match the exact cassette dimensions and pigtail-exit direction to the mounting area, tray, fixing method, bend-control parts and cover clearance. Request the current dimensional drawing. |
| Insertion Loss and Uniformity | Use the maximum insertion-loss and channel-uniformity values for the exact configuration. Do not substitute a connector-loss figure or a generic category claim. |
| Fiber Grade and Diameter | State the fiber mode and grade together with 0.9 mm, 2.0 mm, 3.0 mm or another approved pigtail construction. The model code and order specification must agree. |
| Input and Output Length | Measure the route from the ABS cassette to the splice tray or adapters. Include controlled service slack without overfilling the enclosure or forcing tight fiber bends. |
| Connector and Polish | Specify connectorized or unterminated ends. For connectorized assemblies, state the interface, UPC or APC polish, quantity and port-label sequence. |
| Test Data and Documents | Request the current model datasheet, optical acceptance limits, port map, dimensional drawing where required and any project-specified compliance evidence. |
Published BWNFiber Cassette PLC Splitter Examples
BWN-PLC-CT-1X2-SC-UPC-2.0: published as a 1×2 cassette PLC splitter with SC/UPC connectors and a 2.0 mm model designation. Its page lists G657A or customized fiber, 1 m or customized pigtail length, a 1260–1650 nm operating wavelength and an operating temperature of −40 to 85°C.
BWN-PLC-CT-1X4-SC-APC: published as a 1×4 cassette PLC splitter with SC/APC connectors. Its page lists G657A or customized fiber, 0.9 mm, 2.0 mm or 3.0 mm pigtail constructions, 1 m or customized length, a 1260–1650 nm operating wavelength and an operating temperature of −40 to 85°C.
BWN-PLC-CT-1X8-SC-APC-2.0: published as a 1×8 cassette PLC splitter with SC/APC connectors and a 2.0 mm model designation. Its page lists G657A or customized fiber, 1 m or customized pigtail length, a 1260–1650 nm operating wavelength and an operating temperature of −40 to 85°C.
Request the full cassette PLC splitter catalog for the complete model inventory and datasheet package.
Cassette vs Insertion ABS Box Module
Although both use ABS housings, cassette PLC splitters and insertion ABS box modules serve different mounting formats. Choose by the host enclosure interface, not by the word “cassette” alone.
| Mounting Format | Cassette PLC Splitter: ABS module with external pigtails; installed inside a distribution box, cabinet or panel. | Insertion ABS Box Module: Plug-in module (often LGX-compatible) designed to insert into a compatible chassis or panel slot. |
|---|---|---|
| Interface | Cassette PLC Splitter: Input/output pigtails terminated with connectors or left unterminated for splicing. | Insertion ABS Box Module: Typically presents adapter ports on the module face for direct jumper connection. |
| Typical Host | Cassette PLC Splitter: Fiber distribution box, optical cabinet, wall-mount panel. | Insertion ABS Box Module: 19-inch rack, LGX chassis, or compatible insertion panel. |
| Service Access | Cassette PLC Splitter: Pigtails route to splice tray or adapter field inside the host box. | Insertion ABS Box Module: Front-facing adapters allow quick patching and rearrangement. |
Explore BWNFiber LGX and insertion ABS modules for rack-based or plug-in applications.
Three Common Cassette PLC Splitter Mistakes
- Ordering by channel count only. A 1×8 cassette may still be wrong if the ABS module is too tall for the tray or the pigtails are too short to reach the splice tray. Always check the dimensional drawing and route the pigtails before approving the model.
- Mixing APC and UPC connectors. APC and UPC end faces are not interchangeable. Mixing them causes high insertion loss and permanent end-face damage. Confirm the polish across every adapter, jumper and splitter port before installation.
- Assuming all cassette splitters meet the same optical limits. Insertion loss, uniformity, PDL and return loss vary by configuration and manufacturer. Verify the exact model datasheet and test report, not the category description.
Project Example: 1×8 Cassette Splitters in a Middle East FTTH Rollout
In a 2025 FTTH deployment for a Middle East ISP, BWNFiber supplied 1,200 pcs of 1×8 cassette PLC splitters with SC/APC connectors for installation in street-side fiber distribution boxes. The engineering team specified 1.5 m output pigtails to reach the splice tray without excess slack. Post-installation OTDR testing showed an average insertion loss of 9.8 dB per splitter, within the 10.5 dB budget allocated for the first splitter stage.
Match the Cassette to the Enclosure and PON Budget
A reliable match starts with the PON topology, allowable path loss and physical integration plan—not the ABS housing or advertised channel count alone. BWNFiber can compare the requirement with published cassette PLC configurations.
- 1×N or 2×N input and output configuration
- Split plan, cascade stage and port-label sequence
- Optical budget for every subscriber or branch path
- ABS module dimensions and mounting position
- Input and output pigtail direction and bend control
- Fiber grade, diameter, length and service slack
- Connector family, UPC or APC, labels and adapter count
PON budget example: For a GPON Class B+ link (28 dB budget) using a 1×8 cassette splitter: 28 dB − 10.5 dB (splitter) − 0.5 dB (2 connector pairs) − 0.35 dB/km × 10 km (fiber) − 3 dB margin = 10.2 dB remaining for splices and future aging.
Inspect the Complete Cassette Splitter Assembly
Inspection requirements should follow the selected model, approved datasheet and order configuration. Review the optical paths and physical assembly together, including the ABS housing, every pigtail, label and connector.
- Input and output configuration and visible port mapping
- Insertion loss and channel uniformity for every path
- PDL, return loss, directivity and required wavelength limits
- Fiber mode, grade, diameter and pigtail length
- ABS housing condition, pigtail exits and strain protection
- Connector polish, end-face condition, labels and test record
BWNFiber designs cassette PLC splitters with reference to Telcordia GR-1209-CORE and GR-1221-CORE guidelines for passive optical component reliability. Compliance evidence for a specific model should be requested with the order documentation.
Important: configuration, dimensions, insertion loss, uniformity, PDL, return loss, directivity, wavelength, temperature, fiber, pigtail, connector and compliance evidence must be verified for the exact model; they should not be assumed across the category.
Cassette PLC Splitter Selection Questions
These questions cover ABS module protection, optical-budget control, enclosure integration, pigtail routing, termination and quotation preparation.
What is a cassette PLC splitter?
A cassette PLC splitter is a planar-lightwave-circuit splitter protected inside an ABS module with input and output pigtails extending from the housing. It is installed inside a distribution box, cabinet, panel or other host enclosure selected for the project.
What is the difference between cassette and blockless mini PLC splitters?
A cassette splitter adds an ABS housing around the PLC assembly and pigtail transitions. A blockless mini splitter uses a smaller steel-tube package and relies more heavily on the host tray for fiber protection. Choose by space, protection, routing and maintenance needs.
Is a cassette PLC splitter the same as an LGX insertion module?
Not in BWNFiber's current product taxonomy. Cassette PLC splitters are listed as ABS modules with external pigtails, while LGX and insertion modules form a separate category. Confirm the mounting format and interface instead of ordering by the word cassette alone.
Why use an ABS cassette housing for a PLC splitter?
The ABS module adds physical protection around the PLC assembly and fiber transitions before the pigtails enter the host enclosure. It does not replace the environmental sealing, cable management or mounting provided by the distribution box, panel or cabinet.
Which 1×N and 2×N cassette configurations are available?
BWNFiber publishes cassette examples across 1×N and 2×N configurations, including 1×2, 1×4 and 1×8 models. Exact availability, module dimensions and optical limits must be confirmed for the requested output count and termination.
How do I choose the pigtail fiber diameter?
Match the pigtail construction to the host enclosure, protective routing parts, adapter or splice method and bend control. Published models may list 0.9 mm, 2.0 mm or 3.0 mm options, but the model code and approved order specification must agree.
How do I choose cassette PLC splitter pigtail length?
Measure the route from the ABS module to the splice tray or adapters, including bend control and service slack. Specify input and output lengths separately when needed, and avoid excess fiber that overcrowds the enclosure or complicates maintenance.
Should I choose APC or UPC connectors?
Use the connector polish defined by the network and host adapters. APC and UPC interfaces must not be physically mixed. State the connector family, polish, input and output quantities and port labeling in the order specification.
Which optical specifications should be verified?
Verify insertion loss for every path, channel uniformity, polarization-dependent loss, return loss, directivity, operating wavelength and temperature for the exact model. Connectorized assemblies require acceptance limits for the complete terminated configuration.
How do I fit a cassette PLC splitter into a distribution box?
Check the ABS module dimensions, mounting position, fiber-exit direction, bend control, splice capacity, adapter count and service-loop space. Confirm that the box can protect the module and route every input and output without obstructing the cover or seals.
Can a cassette PLC splitter be used outdoors?
It may be installed inside an outdoor distribution box or terminal approved for the environment. The ABS splitter module itself should not be treated as a weatherproof enclosure; verify the host box rating, sealing, cable routing and model temperature limits.
What information is needed for a cassette PLC splitter quotation?
Send the 1×N or 2×N configuration, fiber grade and pigtail diameter, input and output lengths, connector and polish, optical limits, ABS module space, host enclosure, quantity and schedule. Include a PON budget, BOM or reference model when available.
What is the difference between a cassette, LGX and rack mounted PLC splitter?
A cassette PLC splitter uses an ABS module with external pigtails for distribution boxes and panels. An LGX / insertion module is a plug-in form factor for LGX chassis. A rack mounted PLC splitter integrates the splitter into a 1U/2U rack chassis. Choose by the host enclosure and mounting standard, not by the word cassette alone.
What is the difference between a 1×N and a 2×N cassette PLC splitter?
A 1×N cassette PLC splitter has one input and N outputs. A 2×N cassette PLC splitter has two inputs and N outputs, used where redundancy or dual-feed PON topologies are required. Define how both inputs are used and the required port labeling for a 2×N design.
Cassette PLC Splitter Applications
The host enclosure changes the allowable module dimensions, pigtail routing, protection and termination. Confirm the complete installed assembly rather than treating the ABS cassette as a standalone environmental enclosure.
Fiber Distribution Boxes and Access Terminals
Mount the ABS cassette in the designated area and coordinate its pigtails with the splice tray, adapter panel, bend control, service slack and subscriber port plan.
Optical Cabinets and Distribution Panels
Check cassette mounting, feeder and output routing, adapter access, port labels and maintenance clearance before approving a cabinet or panel configuration.
Outdoor FTTx Nodes
Place the cassette only inside an enclosure approved for the location. Coordinate sealing, module space, pigtail protection, connector access and future maintenance.
Need Cassette PLC Splitters for a PON Project?
Send BWNFiber your PON budget, host-enclosure drawing, BOM or reference model. We can review the configuration, ABS module fit, fiber, pigtail lengths, connectors and model-specific optical limits.
Request a Cassette PLC Splitter Review