Sumitomo Electric - FTTx

Remote monitoring of FTTx distribution line

Proactive maintenance in FTTx service with fiber optic Reflector

Monitoring system with fiber optic Reflector detects the slight fiber defects and tells us its precise place. The proactive monitoring using the monitoring system and Reflector before the network service error makes the following benefits.

  • Reduce the maintenance cost

  • Minimize MTTR and the penalty under SLA

  • Improve the customer experiences of the network

Advantages for passive optical network wholesalers


One time installation

by 24/365 central monitoring

Hassle free

Hassle free maintenance

by 24/365 central monitoring

detect failure

Easy to detect failure

from the remote office

Benefits for internet service providers & subscribers


Instant launch of service

by quick installation


24/365 line assurance

without additional expense


Quick recovery from failure

by quick identification the causes

PON monitoring system

How the system works

  • checkmark   Apply the WDM modules, OTDR, and the optical REFLECTORs onto the PON system.
  • checkmark   The OTDR scans the distribution lines to detect reflection at the reflectors with no interference to the service.

PON monitoring system_irreglar

  • checkmark   When the line breaks the reflection at the ONU can not reach to the OTDR.
  • checkmark   The system operator can identify from the remote office whether the cause of the failure is a line breakage or a device failure.

Reliability of the Reflector



10 million units shipped as of March 2022


Adopted by 10 major FTTx operators in the UK, EU, and Japan

30 years

Long experience with Fiber Bragg Grating technology

We will supply following items to apply Remote monitoring system.

Learn more fiber
optic Reflector

General information of the fiber optic Reflector
applying to remote monitoring of FTTx
distribution lines.


Learn more monitoring at Drop Point

Introduction of Costless & smart drop cable
installation with the fiber optic Reflector.


Learn more use case of Reflector

Introduction of use case of the Reflector and
Sumitomo Electric's advantage


Download brochure
of Reflector

Please find information for product line up and
specification of the Reflector.





Key features


Flexible Customization and full technical support for you request

  • checkmark   High density
    Available 64 channels in 0.5U and 256channels in 1.0U
  • checkmark   Low IL MPO
    Long experiences as “Connector manufacturer”
  • checkmark   Compact size
    Available 256 channels with <200mm depth
  • checkmark   Precise and quick technical support from your design to installation

Learn more detailed spec


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