JDS Fitel HA9503-SUS2 HA9 9/125 Single-Mode Optical Attenuator with SC/PC Front Bulkheads

JDS Fitel HA9503-SUS2 HA9 9/125 Single-Mode Optical Attenuator with SC/APC Front Bulkheads

The JDS Fitel HA9503-SUS2 HA9 Optical Attenuator is a professional HA Series fiber optic attenuator configured for single-mode optical test, telecom, laboratory, production, and photonics applications. This product description applies specifically to the HA9503-SUS2 configuration and uses only the configuration details identified for this exact device.

The HA9503-SUS2 configuration uses 9/125 single-mode fiber, no built-in option, the HA9 wavelength range model covering 1200 nm to 1700 nm, SC/APC connector configuration, analog backreflection option, and front-panel bulkheads. These configuration 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, and backreflection option must be correct.

Features and Benefits of the JDS Fitel HA9503-SUS2 HA9 Optical Attenuator

The JDS Fitel HA9503-SUS2 HA9 Optical Attenuator provides practical value for professional users who require a clearly defined single-mode optical attenuation configuration for fiber optic measurement and test workflows.

• HA9 optical attenuator model: Uses the HA9 model configuration, identified for 1200 nm to 1700 nm optical attenuation applications.
• 9/125 single-mode fiber: Configured for 9/125 single-mode fiber optic test and measurement environments.
• SC/APC connector configuration: Uses SC/APC connectors for compatible single-mode optical patching and test setups.
• Front-panel bulkheads: Uses the front-panel bulkhead port configuration for convenient direct access to the optical connections.
• No built-in option: This HA9503-SUS2 configuration does not include a built-in splitter, coupler, or 1:2 switch option.
• Analog backreflection option: Uses the analog option available for the HA9503 version, designed for demanding applications requiring very low backreflection and smooth attenuation variation with wavelength.
• Professional optical attenuation control: Suitable for controlling single-mode optical signal levels in laboratory, production, telecom, and photonics test environments.

Advanced Features and Practical Applications

The JDS Fitel HA9503-SUS2 is intended for optical test environments where controlled single-mode attenuation is required across the 1200 nm to 1700 nm 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 HA9 model supports a 100 dB attenuation range across 1200 nm to 1700 nm. This makes the HA9503-SUS2 suitable for single-mode test applications where a broad attenuation range is needed across common near-infrared and telecom-related wavelengths. The 9/125 fiber configuration supports single-mode optical workflows, while the SC/APC connector configuration provides an angled physical contact interface for compatible patch cables, optical sources, meters, receivers, and test equipment.

The analog backreflection option is intended for demanding applications such as multi-channel AM systems. This configuration provides very low backreflection and smooth variation of attenuation with wavelength, making it useful for optical systems where reflection sensitivity and attenuation stability are important.

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 HA9503-SUS2. Other HA Series model numbers may use different wavelength ranges, fiber types, built-in options, connectors, backreflection settings, or port layouts. Matching the exact configuration is important for maintaining compatibility with existing test procedures and optical setups.

Typical Applications

The JDS Fitel HA9503-SUS2 HA9 Optical Attenuator is suitable for professional applications such as:

• Single-mode fiber optic attenuation control
• 9/125 single-mode optical test setups
• Telecom optical network testing
• Optical receiver sensitivity testing
• Laboratory optical power adjustment
• Photonics component characterization
• Optical link simulation
• Multi-channel AM system testing
• Production and engineering test workflows
• Service, repair, and replacement equipment requirements

Product Overview

Brand	JDS Fitel / JDSU
Model	HA9503-SUS2
Base Series	HA9
Product Category	Single-Mode Optical Attenuator
Fiber Type	9/125 single-mode fiber
Connector Type	SC/APC
Primary Application	Controlled optical attenuation for single-mode fiber optic test systems
Suitable For	Fiber optic laboratories, telecom test environments, photonics systems, optical component testing, production test workflows, and AM optical systems

 

HA9503-SUS2 Configuration Details

Configuration Field	HA9503-SUS2 Setting
Product Family	HA Optical Attenuator
Fiber Type Code	5
Fiber Type	9/125 single-mode fiber
Built-In Option Code	0
Built-In Option	None
Model Code	3
Model Range	1200 nm to 1700 nm
Connector Type Code	SU
Connector Type	SC/APC
Backreflection Code	S
Backreflection Option	Analog option, available for HA9503
Port Type Code	2
Port Type	Bulkheads front panel

 

HA9 9/125 Single-Mode Specifications

Note: Optical specifications are measured at 23 °C with a laser source and do not include connectors, switch, or coupler if installed.

Specification	HA9503-SUS2 Details
Wavelength Range	1200 nm to 1700 nm
Attenuation Range	100 dB from 1200 nm to 1700 nm
Insertion Loss, Single-Mode	=2.0 dB
Attenuation Accuracy, 1280 nm to 1340 nm	±0.1 dB or ±0.004 dB/dB, whichever is greater
Attenuation Accuracy, 1470 nm to 1550 nm	±0.1 dB or ±0.004 dB/dB, whichever is greater
Attenuation Repeatability	±0.015 dB at constant temperature and wavelength
Analog Backreflection, Single-Mode	Less than -60 dB, excluding connectors
Maximum Optical Input Power	200 mW for single-mode fiber
Recalibration Period	Not required
Attenuation Settability at 1300 nm	0.01 dB
Polarization Sensitivity	<0.1 dB peak-to-peak across the attenuation range
Attenuation Change Rate	=2.5 seconds, 0 dB to 100 dB
ON/OFF Switch Attenuation	Greater than 110 dB
ON/OFF Switch Speed	Less than 20 ms

 

Environmental and Mechanical Specifications

Specification	Details
Operational Temperature Range	0 °C to 40 °C
Storage Temperature Range	-40 °C to +60 °C
Humidity Range	95% up to 40 °C, decreasing at 5% per °C from 40 °C to 60 °C
Dimensions	35.5 cm x 21.2 cm x 8.9 cm
Weight	3.75 kg

 

Optical Attenuator Applications

The JDS Fitel HA9503-SUS2 HA9 Optical Attenuator can be used in professional single-mode optical test environments where controlled signal attenuation is required across the 1200 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 9/125 single-mode fiber configuration, 1200 nm to 1700 nm wavelength range, SC/APC connector configuration, analog backreflection option, and front-panel bulkhead layout, this configuration is intended for users who need the exact HA9503-SUS2 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 HA9503-SUS2 configuration helps support repeatable single-mode measurement workflows where exact connector, fiber, wavelength range, and backreflection performance are important.

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

Compatibility and Configuration Notes

The HA9503-SUS2 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 9/125 single-mode fiber, no built-in option, 1200 nm to 1700 nm model range, SC/APC connector type, analog backreflection option, and front-panel bulkheads. These attributes should be matched against the buyer’s existing patch cords, optical source, receiver, power meter, and test procedure requirements.

This configuration is intended for single-mode optical test environments, not multimode systems. Buyers replacing an existing unit should verify the fiber type, connector polish, port location, wavelength range, and backreflection requirement to avoid ordering a unit that does not match the existing measurement setup.

Connector compatibility is especially important for optical attenuators. The SC/APC connector type should be used only with compatible SC/APC 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 JDS Fitel HA9503-SUS2 is a configuration-specific optical attenuator. Buyers should confirm that the HA9 1200 nm to 1700 nm model range, 9/125 single-mode fiber type, SC/APC connector configuration, analog backreflection 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, and any installed options before purchase. If the attenuator is being integrated into an existing rack, bench, or automated test station, the port layout and connector style should be confirmed against the current cabling and instrument configuration.

This description applies only to the HA9503-SUS2 configuration. It should not be used for other HA Series attenuators with different model numbers, fiber types, wavelength ranges, connector types, port arrangements, backreflection options, or built-in options.

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.