JDSU HA9W1+20KFP1 HA9W 50/125 Multimode Optical Attenuator with FC/PC Front Bulkheads

JDSU HA9W1+20KFP1 HA9W 50/125 Multimode Optical Attenuator with FC/PC Front Bulkheads

The JDSU HA9W1+20KFP1 HA9W Optical Attenuator is a professional HA Series programmable optical attenuator configured for multimode optical test, laboratory, telecom, production, and photonics applications. This product description applies specifically to the HA9W1+20KFP1 configuration and uses only the configuration details identified for this exact device.

The HA9W1+20KFP1 configuration uses 50/125 multimode fiber, the HA9W wide wavelength range model covering 750 nm to 1700 nm, no built-in option, standard return loss, FC/PC connector configuration, and front-panel bulkheads. These details are important for buyers replacing an existing attenuator or matching a specific optical test setup where fiber type, wavelength range, connector style, port layout, built-in option, and return loss configuration must be correct.

Features and Benefits of the JDSU HA9W1+20KFP1 HA9W Optical Attenuator

The JDSU HA9W1+20KFP1 HA9W Optical Attenuator provides practical value for professional users who require a clearly defined multimode attenuation configuration for fiber optic measurement and test workflows.

• HA9W wide wavelength model: Uses the HA9W model configuration, identified for 750 nm to 1700 nm optical attenuation applications.
• 50/125 multimode fiber: Configured for 50/125 multimode fiber optic test and measurement environments.
• FC/PC connector configuration: Uses FC/PC connectors for compatible multimode optical patching and test setups.
• Front-panel bulkheads: Uses the bulkheads-on-front port configuration for convenient direct access to the optical connections.
• No built-in option: This HA9W1+20KFP1 configuration does not include a built-in coupler, splitter, or 1:2 switch option.
• Standard return loss configuration: Uses the K standard return loss code for the configured HA9W attenuator.
• Programmable attenuation control: Supports controlled attenuation for professional multimode fiber optic test systems.

Advanced Features and Practical Applications

The JDSU HA9W1+20KFP1 is intended for optical test environments where controlled multimode attenuation is required across a broad wavelength range. Optical attenuators are commonly used to reduce optical signal power to defined test levels during receiver sensitivity testing, optical link simulation, calibration procedures, system verification, and optical component characterization.

The HA9W model supports operation from 750 nm to 1700 nm with a 60 dB attenuation range. This wide wavelength coverage makes the HA9W1+20KFP1 useful for multimode test applications where attenuation control is required across visible, near-infrared, and telecom-related optical wavelengths. The 50/125 multimode fiber configuration supports common multimode fiber workflows, while the FC/PC connector configuration provides a defined connector interface for compatible patch cables, sources, meters, receivers, and test equipment.

The HA Series programmable attenuator platform provides high-resolution attenuation control, repeatable attenuation adjustment, built-in beam block functionality, and remote-control capability. These features make the unit useful in laboratory and production setups where repeatable optical power control is required for measurement confidence, calibration support, and automated testing.

The front-panel bulkhead configuration is practical for bench-top, rack-based, and laboratory optical test systems where direct access to the optical ports is useful. This front-panel layout can help simplify patching, troubleshooting, receiver testing, component characterization, and general optical power adjustment during everyday test workflows.

Because HA Series optical attenuators can be configured in many different ways, this listing should be used only for HA9W1+20KFP1. Other HA Series model numbers may use different fiber types, wavelength ranges, built-in options, connector types, return loss options, or port layouts. Matching the exact configuration is important for maintaining compatibility with existing test procedures and optical setups.

Typical Applications

The JDSU HA9W1+20KFP1 HA9W Optical Attenuator is suitable for professional applications such as:

• Multimode fiber optic attenuation control
• 50/125 multimode optical test setups
• Wide wavelength optical attenuation testing
• Power meter linearity calibration workflows
• Optical receiver dynamic range and sensitivity testing
• Bit error rate test environments
• Loss simulation in fiber optic links
• EDFA output power characterization workflows
• Laboratory optical power adjustment
• Production, engineering, service, and replacement equipment requirements

Product Overview

Brand	JDSU / JDS Uniphase
Model	HA9W1+20KFP1
Base Model	HA9W
Product Category	Multimode Programmable Optical Attenuator
Fiber Type	50/125 multimode fiber
Connector Type	FC/PC
Primary Application	Controlled optical attenuation for multimode fiber optic test systems
Suitable For	Fiber optic laboratories, telecom test environments, photonics systems, optical component testing, production test workflows, and automated optical test systems

 

HA9W1+20KFP1 Configuration Details

Configuration Field	HA9W1+20KFP1 Setting
Product Family	HA Optical Attenuator
Model	HA9W
Model Description	Wide wavelength range attenuator, 750 nm to 1700 nm
Fiber Type Code	1
Fiber Type	50/125 multimode fiber
Built-In Option Code	0
Built-In Option	None
Return Loss Code	K
Return Loss Option	Standard
Connector Type Code	FP
Connector Type	FC/PC
Port Type Code	1
Port Type	Bulkheads on front

 

HA9W 50/125 Multimode Specifications

Note: Optical specifications are measured at 23 °C with a laser source and do not include connectors, switch, or coupler if installed. The attenuation range is a continuous function of wavelength.

Specification	HA9W1+20KFP1 Details
Operating Wavelength Range	750 nm to 1700 nm
Attenuation Range	60 dB
Resolution	0.01 dB
Repeatability	±0.01 dB
Change Rate	<1.5 seconds, 0 dB to 60 dB
Accuracy	±0.1 dB
Insertion Loss, 50/125 Multimode	<3.2 dB
Return Loss, 50/125 Multimode	>35 dB
Maximum Optical Input Power	200 mW
Recommended Recalibration Period	2 years
Polarization Dependent Loss	0.03 dB typical, 0.08 dB maximum
Beam Block Attenuation	>90 dB

 

Electrical, Environmental, and Mechanical Specifications

Specification	Details
Input Voltage	90 V AC to 240 V AC, 50 Hz to 60 Hz
Power Consumption	80 VA maximum
Operating Temperature	0 °C to 40 °C
Storage Temperature	-40 °C to 60 °C
Humidity	90% maximum up to 40 °C
Dimensions	21.2 cm x 8.9 cm x 35.5 cm
Rack Mounting	19-inch rack mounting, 2U high
Weight	4 kg

 

Remote Control and System Integration

The HA Series attenuator platform can be controlled from the front panel keyboard or through GPIB and RS232 interfaces. The command set is SCPI compatible, making the HA9W1+20KFP1 suitable for automated optical test systems, production test stations, and laboratory setups where programmable attenuation control is required.

The built-in beam block provides fast access from an attenuation setting to high attenuation. This function is useful when users need to quickly block the optical signal during setup changes, receiver protection, calibration sequencing, or automated measurement procedures.

The front panel 5 V driver key, connected to the rear 5 V driver, can act as a toggle for an external or internal switch when supported by the test setup. This can help users build flexible optical test systems around the HA attenuator platform.

Optical Attenuator Applications

The JDSU HA9W1+20KFP1 HA9W Optical Attenuator can be used in professional multimode optical test environments where controlled signal attenuation is required across the 750 nm to 1700 nm wavelength range. This type of attenuator is commonly used to set optical power levels, simulate fiber link loss, support receiver sensitivity testing, and help characterize optical components under repeatable test conditions.

With its 50/125 multimode fiber configuration, FC/PC connector configuration, standard return loss option, no built-in option, and front-panel bulkhead layout, this configuration is intended for users who need the exact HA9W1+20KFP1 setup. The front bulkhead arrangement can be useful in bench-top or rack-based systems where direct access to the optical ports is preferred.

In a professional optical test bench, the attenuator can be positioned between an optical source and a device under test to reduce signal level to a controlled value. The defined HA9W1+20KFP1 configuration helps support repeatable multimode measurement workflows where exact connector type, fiber type, wavelength range, attenuation range, return loss behavior, and port configuration are important.

The FC/PC connector interface should be matched to compatible FC/PC patch cords and mating adapters. Proper connector cleaning and inspection are important before connection because contaminated fiber interfaces can affect attenuation accuracy, insertion loss, return loss performance, and repeatability in optical measurement systems.

Compatibility and Configuration Notes

The HA9W1+20KFP1 part number should be reviewed carefully before purchase because each section of the model number identifies a specific configuration. For this unit, the configuration is HA9W wide wavelength range, 50/125 multimode fiber, no built-in option, standard return loss, FC/PC connector type, and front-panel bulkheads. These attributes should be matched against the buyer’s existing patch cords, optical source, receiver, power meter, connector requirements, and test procedure requirements.

This configuration is intended for multimode optical test environments. Buyers replacing an existing unit should verify the fiber type, connector polish, port location, wavelength range, attenuation range, built-in option status, and return loss requirement to avoid ordering a unit that does not match the existing measurement setup.

Connector compatibility is especially important for optical attenuators. The FC/PC connector type should be used only with compatible FC/PC patch cables and mating interfaces. Users should follow proper fiber cleaning and inspection practices before connection to help protect optical interfaces and maintain repeatable measurement performance.

Buyer Considerations

The JDSU HA9W1+20KFP1 is a configuration-specific programmable optical attenuator. Buyers should confirm that the HA9W 750 nm to 1700 nm wavelength range, 50/125 multimode fiber type, FC/PC connector configuration, standard return loss option, no built-in option, and front-panel bulkhead port layout match the intended optical test setup before purchase.

Buyers should also review the product condition, included accessories, connector condition, calibration or service notes, installed firmware, remote interface functionality, and any available options before purchase. If the attenuator is being integrated into an existing rack, bench, or automated test station, the port layout, connector style, remote control needs, and software compatibility should be confirmed against the current test configuration.

This description applies only to the HA9W1+20KFP1 configuration. It should not be used for other HA Series attenuators with different model numbers, fiber types, wavelength ranges, connector types, port arrangements, return loss options, built-in options, or single-mode configurations.

Why Buy from AssetRelay?

AssetRelay supplies professional equipment and product solutions for fiber optic, telecom, laboratory, production, inspection, cleaning, RF/microwave, electronic test, and photonics applications. This product is listed to help technical buyers, procurement teams, engineers, installers, and service organizations source practical equipment for demanding professional environments.

Buyers sourcing this attenuator through AssetRelay should review available product photos, condition details, connector type, included accessories, and compatibility notes before purchase. For technical purchasing teams, confirming these details helps ensure that the attenuator matches the intended optical test setup and avoids incorrect configuration selection.

When available, buyers should review the provided specifications, compatibility details, condition notes, and accessories before purchase to confirm that the product meets their application requirements.