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Anritsu introduces new series fault locator

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article image MT9090A series fault locator

The new MT9090A from Anritsu finally addresses this need by providing all of the features and performance required for installation and maintenance of short fibres in a compact, modular test set.

The MT9090A represents good value and ease of use, while not compromising performance. Data sampling of five centimetres and dead zones of less than one meter, ensure accurate and complete fibre evaluation while a simple testing sequence requires only one key press to initiate, allowing anyone to make error-free measurements.

The MT9090A represents a new era in drop cable and premise testing. Its ease of use, high-resolution and size makes this the perfect product for last mile testing.

Small but capable:

Despite its small size, the MT9090A offers a high resolution indoor/outdoor display, good optical performance, innovative features and expandable modular design.

4.3 inch wide screen display for easy viewing:

The high resolution, full colour, 10.9 cm wide screen display (480 x 272) is the perfect format for viewing OTDR results. It also provides good readability both indoors and outdoors.

1m dead zone for short fiber analysis:

With less than 1m dead zones, the MT9090A is perfect for evaluating central office, FTTX and intra-building cables.

Integrated launch fibre:

To further simplify testing, the MU909011A has 10m of fibre built-in so initial fibre connections can be verified without the need for additional patchcords or launch fibres.

Full trace view:

The user can also select to view the full trace for additional information or to initiate real time testing.

Event table with user defined thresholds:

Pass/fail thresholds for key acceptance criteria such as splice loss, reflectance and total span loss can be set in the MT9090A allowing technicians to easily assess a fibre's condition.

Failing values are clearly highlighted in the event table alerting technicians of potential problems.

Modular design:

The MT9090A features a modular design allowing modules to be easily changed in the field.

Users can interchange different wavelength fault locator modules or perform other optical network testing such as optical channel analysis with the available CWDM channel analyser module.

Operation is quite similar between modules so the user is immediately familiar with operation.

FTTx installation and maintenance simplified:

Since the MT9090A is purpose built for testing short fibre spans, its hardware and user interface are optimised for simplicity.

The single wavelength design and customisable testing sequence automates testing and guides novice users.

Installation simplified:

The MU909011A fault locator module provides easy and accurate verification of drop cable and multiple dwelling unit (MDU) cable installation.

The user simply connects the fibre and presses start for true one-button testing - all settings are fixed to ensure accurate and constant results for any skill level.

Upon completion, the length, total loss and pass/fail status are displayed within seconds. A full event table of all characteristics is also shown providing additional information on the fibre under test.

A unique approach to in-service maintenance:

Since multiple users share the common feed fibre, FTTx maintenance becomes difficult when only one or two users are down.

Traditionally, 1625nm or 1650nm wavelengths were used to test active fibres however these wavelengths typically need costly WDM couplers and filters in the network.

As a unique approach to this, Anritsu also offers a 780nm fault locator module that can be used to troubleshoot in-service FTTx networks without costly filters and without disruption to other customers.


  • Unique, purpose-built solution for short fibre applications such as FTTx drop cables, intra-building cabling and wireless towers
  • Exclusive, integrated launch fibre provides accurate initial connector measurement without external devices
  • High resolution, widescreen colour display that is easy to read indoors or out
  • Fixed parameters simplify operation and ensure proper set-up - just press start
  • Automated testing sequence with clear go/no go results
  • High resolution and short deadzones ensure thorough short fibre evaluation
  • Rugged, sealed design provides years of service in the challenging environments
  • Modular platform ensures maximum return on investment
  • Compact and lightweight design for maximum portability in the field
  • Complete FTTX maintenance tool - verify power levels and fault locate with one tool
  • Unique 780nm wavelength for in-service maintenance of PONs without filters

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