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OTDRs

In optical time-domain reflectometry (OTDR), the propagation length and reflection properties of light in the optical fiber are tested. A laser pulse is coupled into the fiber and the scattered light measured for a specific duration of time. This allows the losses generated through splicing, optical fiber attenuation, or reflection to be calculated.

MTS-6000A
T-BERD/MTS-8000 (V2)
Test any CWDM network configuration with the CWDM OTDR module 8100
M700 - The OTDR for wide-area networks

OTDR for Wide-Area Networks

OTDR test solutions to maintain and troubleshoot CWDM, ultra long haul, FTTx/PON, Access and Metro networks.

OTDRs

We offer OTDRs for wide-area networks from AFL Noyes and VIAVI. There are three different VIAVI OTDR measurement module series available for wide-area networks. They can be used in combination with the MTS-6000A and MTS-8000 base platforms. The OTDRs from AFL are compact modules; they are less expensive, have a longer battery life, and are easy to use.

OTDRs from VIAVI

  • 8100 Series CWDM OTDR Modules
    OTDR with specified CWDM wavelengths for measurements in metro networks using CWDM multiplexers
  • 8100 Series FiberCompleteTM Modules
    Automatic bidirectional measurement of insertion loss and return loss and OTDR test solution for FTTx/PON, access, and metro networks
  • 8100 Series OTDR Modules
    OTDR modules for enterprise, FTTx, access, metro, very long-haul (VLH), and ultra-long-haul (ULH) networks

OTDRs from AFL
AFL offers the following OTDRs for wide-area networks: the M700 (single-mode OTDR) and M710 (quad OTDR). These inexpensive units are particularly small and lightweight. With just one set of batteries, you can carry out measurements the entire day.

CWDM OTDR modules used in MTS-6000A and MTS-8000 platforms are fast, reliable, and inexpensive. They are fast and reliable in applications and inexpensive to procure. CWDM OTDRs are used in metro and wireless back-haul networks.

A special feature of these modules is their characterization of fiber connections with dedicated CWDM wavelengths according to ITU-T G.694.2 while controlling the central wavelength. The following measurements can be made: via a CWDM multiplexer (MUX), via an optical add/drop multiplexer (OADM), and via a demultiplexer (DEMUX) with a central wavelength control.

Thus, CWDM OTDR modules are particularly well suited for cable network operators, dark-fiber providers, and telecommunications service providers in the characterization and maintenance of any CWDM optical fiber networks and troubleshooting.

The Following Measurements are Available:

  • Automatic multi-test configuration
  • Summary table of results including a pass/fail analysis
  • Evaluation via a linear representation of the measurement curve using a smart link mapper (SLM) (i.e., a clear representation using pictograms) on an optional basis
  • Quick report generated directly in the module

 

Features of the Modules

  • In-service troubleshooting
  • Integrated cw source with modulation option
  • Consistency of the connection can be tested via a cw source
  • Combining high resolution with a wide dynamic range guarantees an optimal OTDR trace in all test scenarios
  • Up to 18 wavelengths are supported
  • Headend/central office tests with sequenced short acquisition
  • With the help of the smart link mapper (SLM), false OTDR measurement readings are a thing of the past – while maintaining a fast measuring time

The 8100 FiberCompleteTM series covers fundamental tests for the qualification of optical fibers; this includes the measurement of bidirectional insertion loss (IL), optical return loss (ORL), and OTDR measurements with a module starting with an optical port. For immediate troubleshooting, the so-called FaultFinder mode is available.

Covering Several Tests

All traditional test requirements can be covered with a single unit. This module completes measurements very quickly and is easy to operate. Special knowledge is not required for application. The FiberCompleteTM module is suited for the quick characterization of point-to-point and point-to-multipoint passive optical network (PON) connections. The 8100 modules are compatible with the MTS-6000A and MTS-8000 platforms.

Main Features of the 8100 Series FiberCompleteTM:

  • Automated measurements across a connection with the push of a single button
  • Continuity testing in real time and automatic product pairing at the corresponding end points
  • Management of fiber and cable measurement results
  • Step-by-step wizard for initial IL/ORL referencing
  • Performance of acceptance tests in bidirectional OTDR mode

This most comprehensive OTDR module series for the MTS-6000A and MTS-8000 platforms is suited for the installation, operation, and maintenance of enterprise, FTTx, access, metro, very-long-haul (VLH), and ultra-long-haul (ULH) networks.

These 8100 series OTDR modules comprise three measurement instruments in just one unit: an optical power meter, a laser light source, and OTDR.

The following tests are integrated into this module:

  • Automatic detection of macrobends
  • Display of test results with a pass/fail analysis in one table
  • Bidirectional OTDR analysis
  • Quick report generated directly in the module

Thanks to automatic data traffic detection, both the risk of interference with the live signal and the risk of destruction of the optical transmitter are reduced during an OTDR measurement. The module also profits from the smart link mapper (SLM), which prevents misinterpretations during analysis while maintaining a constant testing time.

Main Features

  • 2 m attenuation dead zone
  • Dynamic range up to 50 dB
  • 256,000 measurement points
  • Integrated cw light source and power meter
  • PON optimized: measurements across a 1x128 splitter possible
  • Measurement output for three wavelengths: 1310 nm, 1550 nm, and 1650 nm in service
  • FiberCompleteTM version – available for automatic, bidirectional OTDR, IL, and ORL measurements

 

Applications

  • Metro and ultra-long-haul (ULH) networks
  • Advanced FTTH PON network qualification and troubleshooting
  • Upgrade of optical core networks to 40 G and 100 G
  • Remote monitoring of fibers, whether in operation or not

The M700/710 "multifunctional OTDRs" from AFL are used to test, troubleshoot, and document single-mode and multi-mode networks. In LAN/WAN, metro, FTTx, and wide-area networks, network errors can be measured and localized. An optical power meter and a visual fault locator (VFL) (red light source with 650 nm) are also integrated.

The M700 is available in two designs as a purely single-mode unit with 1310/1550 nm or 1310/1550/1625 nm and in two designs as a quad unit for single-mode and multi-mode with 850/1300/1310/1550 nm but with different dynamic ranges.

The M710 has a very high dynamic range up to 44 dB and is a purely single-mode unit with 1310/1550 nm for measurements in wide-area networks.

Because it is intuitive and easy to operate, the necessary training time can be shortened and operating errors reduced.

The following testing options are integrated in the module:

  • Real-time OTDR, visual fault locator, and splice verification
  • Automatic pass/fail analysis
  • Visualization and localization of bending radii that are too tight or fiber breaks (visual fault locator (VFL))
  • Analysis of connector end faces in combination with the Digital FiberScope DFS1 microscope
  • Testing of campus and central office networks, as well as of the fiber infrastructure of “distributed antenna systems” (DAS)
  • Report compilation with TRMTM 2.0

Your contact person

Michael Oellers

+49 (0) 2161 277 988 3

m.oellers@lasercomponents.com