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Product Profile
24F ELSFP Testing Cable provides 24 polarization maintaining fiber paths for external laser interface evaluation in CPO and NPO systems. The assembly connects the ELSFP optical interface to a defined test arrangement, allowing individual fibers to be identified, accessed and evaluated against the required optical performance criteria.
24 Fiber Test Access
Provides access to 24 optical paths, with opposite end terminations configured to suit the instruments, connection sequence and available space of the test fixture.
Defined Channel Mapping
Channel numbering and end to end correspondence can be specified in the assembly drawing, helping operators locate individual fibers during connection, measurement and troubleshooting.
PM Measurement Setup
PM fiber selection, polarization axis reference and cable routing are defined around the operating wavelength and measurement arrangement of the external laser test link.
Applications: CPO external laser path validation, NPO test fixture integration, individual channel optical measurements, and PM fiber connection verification.
Tags: 24F ELSFP Testing Cable, ELSFP PM Fiber Assembly, CPO Laser Test Cable, NPO Test Fixture Cable, 24 Fiber Optical Test Assembly
ELSFP Interface Configuration
For a 24F ELSFP test assembly, fiber count is only one part of the interface specification. The connector side, MT ferrule arrangement and mating orientation must also match the device under test. Defining these details before assembly helps establish the intended optical connection between the ELSFP interface and the test equipment.

Select the Mating Connector Side
The ELSFP optical connection uses complementary host and module interfaces. A test assembly intended to mate with a host interface requires the corresponding module connector, while testing a module interface requires the matching host connector. Specify the interface being tested when defining the cable configuration.
Fiber Count and Ferrule Layout
24F identifies the total number of fibers in this assembly. Ferrule quantity, populated positions and fiber arrangement are specified separately to match the required mating interface.
Connector Viewing Direction
The interface drawing should identify whether fiber positions are viewed from the mating face or cable side. A defined viewing direction prevents mirrored numbering when assigning the 24 fiber paths.
Mechanical Fit Confirmation
Review connector mounting, mating clearance and cable exit direction against the fixture drawing. These details determine whether the assembly can be installed and connected correctly within the available test space.
Product Features
Specifications
Ordering Information
| Selection Item | Required Information |
|---|---|
| ELSFP Connector Side | Host or Module Connector |
| Fiber Configuration | 24 fibers; MT ferrule quantity and fiber arrangement |
| PM Fiber Type | Fiber model and operating wavelength |
| Polarization Axis Reference | Axis orientation and alignment tolerance |
| Opposite End Termination | Connector type, polish and termination arrangement |
| Fiber Mapping | Complete correspondence for all 24 fibers |
| Cable Dimensions | Overall length, branch lengths and cable construction |
| Optical Acceptance Criteria | IL, RL and PER limits |
| Order Quantity | Sample quantity and production quantity |
Applications

100% Tested Before Delivery
Our products undergo comprehensive testing before shipment to ensure high-quality delivery to our customers.

IL/RL Test

Polarity Test

End-surface Test

Temperature Test
Certificates
CE

CPR
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ISO
RoHS
FAQ
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Specifications
Ordering Information
| Selection Item | Required Information |
|---|---|
| ELSFP Connector Side | Host or Module Connector |
| Fiber Configuration | 24 fibers; MT ferrule quantity and fiber arrangement |
| PM Fiber Type | Fiber model and operating wavelength |
| Polarization Axis Reference | Axis orientation and alignment tolerance |
| Opposite End Termination | Connector type, polish and termination arrangement |
| Fiber Mapping | Complete correspondence for all 24 fibers |
| Cable Dimensions | Overall length, branch lengths and cable construction |
| Optical Acceptance Criteria | IL, RL and PER limits |
| Order Quantity | Sample quantity and production quantity |


