FC UPC Fixed Fiber Optic Attenuator, Single Mode Optical Attenuator 0dB to 30dB

Product Overview

The Luleey FC UPC Fixed Fiber Optic Attenuator is a passive optical component used to reduce optical signal power by a fixed attenuation value in single mode fiber networks. It is commonly used when the received optical power is too strong for the optical receiver, or when engineers need to balance link budgets during installation, testing, and maintenance.

This FC UPC Attenuator is suitable for telecom rooms, ODF systems, optical transceivers, media converters, switches, routers, servers, storage devices, fiber test equipment, and general single mode optical communication links.

Compared with APC attenuators, FC/UPC attenuators are better suited for general optical links, lab testing, data communication systems, transceiver testing, and equipment connections where UPC interfaces are already used. If your fiber equipment, patch cable, or adapter is FC/UPC, this FC UPC Fixed Fiber Optic Attenuator is the correct matching connector type.

Luleey provides multiple fixed attenuation values from 0dB to 30dB, helping installers and network engineers select the proper optical power reduction value for different fiber link requirements.

Features

• FC UPC Fixed Fiber Optic Attenuator for single mode fiber networks
• Fixed attenuation values for stable optical power reduction
• FC/UPC connector for general single mode optical links
• Available attenuation range from 0dB to 30dB fixed values
• Helps protect optical receivers from excessive input power
• Helps balance optical link budget in telecom, ODF, data communication, and fiber testing systems
• Suitable for optical transceiver testing and receiver power adjustment
• Low insertion loss and good repeatability
• Plug-and-play passive optical component
• Reusable design for installation, testing, and maintenance
• Suitable for switches, routers, media converters, optical transceivers, servers, fiber NICs, storage devices, and test tools
• Factory tested by Luleey for practical optical network deployment

Applications

• Telecom Room Fiber Links
• ODF Optical Distribution
• Optical Power Adjustment
• Fiber Link Budget Balancing
• Optical Receiver Protection
• Fiber Testing and Maintenance
• Optical Transceiver Testing
• Media Converter Deployment
• Switch and Router Fiber Links
• Server and Storage Fiber Connections
• Data Communication Systems
• Laboratory Optical Testing
• General Single Mode Fiber Networks

Specifications

Why Use an FC UPC Fiber Optic Attenuator?

A fiber optic attenuator is used when the optical signal power is too high for the receiving device. Too much optical power may overload the receiver and cause unstable links, device alarms, packet loss, or poor performance.

A fixed attenuator helps:

• Reduce excessive optical power
• Protect optical receivers
• Balance optical link budgets
• Prevent receiver overload
• Improve link stability
• Support fiber testing and troubleshooting
• Simulate fiber loss in lab environments
• Match optical power requirements between different devices

For data communication, optical transceiver testing, telecom, ODF, and general single mode fiber applications, the Luleey FC UPC Fixed Fiber Optic Attenuator is a practical passive component for optical power control.

FC UPC vs FC APC Attenuator

FC UPC and FC APC attenuators use different connector end-face structures. They should be selected according to the actual connector type used by the equipment and patch cable.

Choose FC/UPC when the connected device, patch cable, adapter, or test equipment also uses FC/UPC.

Choose FC/APC when the fiber line or optical equipment requires APC angled polish and lower back reflection.

Do not directly mix UPC and APC connector end-faces, because this may cause poor contact, higher loss, stronger reflection, and unstable optical performance.

How to Choose the Right Attenuation Value

The correct attenuation value depends on the optical receiver input range and the actual received optical power. Before choosing the dB value, measure the current optical power with an optical power meter.

The selected attenuator should reduce the received optical power into a safe and stable operating range.