The T-BERD/MTS-4000 V2 is a small, compact and handheld test platform designed for all phases of the network lifecycle, from the installation to the maintenance of Metro, Core, Access, FTTH, FTTx, HFC, Wireless, 5G, Enterprise and Data Center networks. Modular in design, the T-BERD/MTS-4000 V2 offers engineers, technicians, installers and contractors the highest performance and superior levels of scalability and upgradeability.
Learn more about OTDR Testing, Fiber Testing, Passive Optical Networks (PON), and XGS-PON.
Highlights
- Easy-to-use solution with intuitive icon-based graphical user interface (GUI) and multi-touch screen requiring minimal training
- Combines multiple function/modules in a compact solution
- Essential fiber tools integrated and supported: Visual Fault Locator, Broadband Power Meter, Talkset and Automated Fiber Microscope
- Simplify OTDR trace interpretation with Smart Link Mapper (SLM), clear icon based view of fiber link and dedicated applications for FTTH/PON, FTTx (P2P, Access, HFC), FTTA, Enterprise and Data Center
- Flexible connectivity for fast data transfer: USB, Ethernet, WiFi, Bluetooth
- Remotely coach and support field techs with Smart Access Anywhere (SAA)
- Optimum workflow and operation within the platform or through the cloud with VIAVI StrataSync
Applications
- Full network lifecycle: Construction, Activation, Maintenance & Troubleshooting
- Essential fiber test: OTDR Testing, FiberComplete™ (automated bi-directional IL/ORL & OTDR), Connector inspection with IEC Pass/Fail Analysis
- FTTH: Passive Optical Network (PON) optimized OTDR & selective power meters for E-PON, G-PON, XGS-PON, NG-PON2 networks
- Hybrid CWDM/DWDM: combined CWDM or DWDM OTDR and C-OSA test platform
- Wireless: singlemode and multimode test for C-RAN, DAS and 5G deployments
- Enterprise & Data Center: integrated solution for multi-fiber MPO cable tier-2 certification
- Metro Core: long haul OTDR for high speed 10G/40G/100G fiber link qualification
Key Features
- Lightweight platform: only 1.4kg / 3 lbs
- 9-inch high visibility multi-touch screen with permanent function keys
- Dual-modular platform with field-replaceable modules
- Workflow management and guidance for error free test
- Report Generation – on-board instrument, via PC/laptop (FiberCable SW suite) and StrataSync
- Cost-effective, compact and handheld platform
- Cross compatibility of modules with T-BERD/MTS-2000 and -5800 test platforms
StrataSync is a hosted, cloud-based solution that provides asset, configuration, and test data management for VIAVI instruments and ensures all instruments have the latest software and options installed. StrataSync Base supports basic capabilities at no charge. Additional StrataSync subscription plans are available offering enhanced asset and test data management, workflow, KPI analytics and application programming interfaces (APIs).
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CWDM OTDR Modules (4100 Series)
A CWDM OTDR test solution to deploy or maintain and troubleshoot in-service CWDM fiber networks
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DWDM OTDR Modules (4100 Series)
A DWDM OTDR test solution to deploy, maintain and troubleshoot in-service DWDM fiber networks
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OTDR Modules (4100 Series)
OTDR test solution for use in installing, turning up, and maintaining long-haul, metro, FTTx/PON, access, and enterprise networks.
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CWDM Optical Spectrum Analyzer Module (COSA-4055)
The COSA-4055 module offers the functionality and speed of an OSA in a handheld form factor at a fraction of the price of a traditional OSA. It is an ideal test tool for metro/access links and CWDM systems.
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DWDM Optical Channel Checker Module (OCC-4056C)
The OCC-4056C module offers the functionality and speed of an OSA in a handheld form factor at a fraction of the price of a traditional OSA. It is an ideal test tool for metro/access links and DWDM systems.
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Nano OSA Module (4100 Series)
Compact Nano OSA™ modules offering high resolution measurement over full wavelength band for channel verification and spectral analysis in a field rugged package for the deployment of any WDM service.
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Multi-fiber MPO based Switches for Field Instruments
High capacity switch solutions (12 to 192 ports) to ease and automate high fiber count cable certification: OTDR, Bidirectional OTDR, Bidirectional IL/ORL
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Smart Link Mapper (SLM) Applications for OTDR Testing
Icon-based map view of OTDR events and instant pass/fail display for easy OTDR results interpretation and analysis.
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FiberComplete PRO
Bidirectional IL/ORL and OTDR fiber acceptance testing done with just one fiber connection and a single button press. A complete suite of fully automated fiber testing capabilities designed to streamline the construction and qualification of any type of fiber optic network.
Software Download
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News Release-
VIAVI to Showcase End-to-End Data Center Testing Portfolio Enabling Scale-Up, Scale-Out and Scale-Across to 1.6T and Beyond at ECOC 2026
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News Release-
VIAVI Enhances Qualification and Troubleshooting Portfolio for Cable and Fiber Broadband Networks, Enabling Quality at Speed
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News Release-
Interlink Telecom Speeds Fiber MTTR with VIAVI OTDR Testing
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In The News-
VIAVI Introduces T-BERD/MTS-4000 V2 Tester to Support Fiber Analysis Tools
Brochures
Case Studies
Data Sheets
- 4100 Series Quad OTDR Module
- COSA-4055 CWDM Optical Spectrum Analyzer Module - 4100 Series
- CWDM OTDR Module - 4100 Series
- DWDM Optical Channel Checker Module with SFP/SFP+ Bay (OCC-4056C)
- Fiber - OTDR DWDM Module 4100 Series
- FiberComplete Modules (4100 Series) for T-BERD/MTS and OneAdvisor 800 Platforms
- Multi-Fiber MPO based Switch Module - 4100 Series
- OTDR A/B/C Modules - 4100 Series
- T-BERD/MTS-4000 V2 Optical Test Platform
Manuals & User Guides
Offers
Posters
Quick References
- FiberComplete PRO IL & ORL Loopback Referencing
- FiberComplete PRO IL & ORL Side-by-Side Referencing
- OneAdvisor 800 Fiber Platform - OTDR Testing, Tips and Tricks
- P5000i - Fiber Inspection with the T-BERD/MTS-4000 V2
- P5000i - PON Fiber Inspection with the T-BERD/MTS-4000 V2
- Quick Card: T-BERD/MTS-4000 - Copying Test Results to a USB Flash Drive
- Quick Tech Tip: Introduction to Deep Fiber Node +0
- Quick Tech Tip: Testing CWDM in Deep Fiber Applications
- Quick Tech Tip: Testing DWDM in Deep Fiber Applications
- Quick Tech Tip: Testing PON in Deep Fiber Applications
- T-BERD/MTS-4000 - Updating Software via Internet
- T-BERD/MTS-4000 - Updating Software with a USB Flash Drive
- T-BERD/MTS-4000 – 4100-Series OTDR, Expert OTDR
- T-BERD/MTS-4000 V2 - Real Time Testing with OTDR Expert
- T-BERD/MTS-4000 V2 - Real Time Testing with OTDR Smart Test Assistant
- T-BERD/MTS-4000 V2 Quick Start Guide
Selection Guides
Services
Software Download
Video Gallery
Webinar
- Automating Test Workflow to Accelerate Jobs
- Exploring the Expert OTDR Settings on the T-BERD/MTS-2000 and 4000
- FTTH/PON - Efficient Deployment of FTTH/PON Networks
- Remote Connectivity Methods for T-BERD/MTS 2000 and 4000 Test Instruments
- Wave Division Multiplexing (WDM) - Technologies and Tools for Successful Deployment
White Papers & Books
- Challenges in Next-Gen PON Deployment
- Fiber Water Peak Characterization
- Improving Instrument Management and Increasing Workflow Efficiency
- Macrobend Detection Using an OTDR
- Measure OTDR, return, and insertion loss on a single port to characterize optical links
- Reference Guide to Fiber Optic Testing: Volume 1
- Reference Guide to Fiber Optic Testing: Volume 2
- Remote PHY Architectures: Operational Challenges and Opportunities
- Test Guide to DAA Planning Deployment & Maintenance
Care Support Plans
| Product Group | Recommended Plan | Bronze | Silver | Maxcare | |
|---|---|---|---|---|---|
| T-BERD/MTS-4000 incl. Modules | Silver-5 | Does the product require calibration? Common questions or issues |
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VIAVI Care Support
Services Bronze Silver MaxCare Image
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Technical Assistance Premium Premium Premium Factory Repair Priority Service Self-paced Training Factory Calibration Express Loaner * 5-year plans only; if applicable
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VIAVI Care Support for Existing Equipment
FleetCare plans can be customized to include any service entitlements on your fleet of existing equipment. Please fill out a Service Contracts form for a quote.
- Any collection instruments with a single coterminous renewal date
- Each contract is customized with any number of annual terms required by the customer
- Onsite Calibration, Training, Field Application Engineer days can be added
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Repair and Calibration
Our products live in rugged environments for more than 10 years with 1000s of test connect/disconnect cycles. We will be there to support you to ensure components that require maintenance like connectors, batteries, and software updates are ready to test accurately for years to come. We apply factory procedures fast, automated calibration and functional verification, maintenance using OEM parts, and the application of all engineering change orders and software updates. Services are available through contract Care plans, FleetCare or per incident as requested.
Top 4 Reasons to Choose VIAVI for Your Repair and Calibration Needs:
- Minimize business disruption
- Budget
- Measurement Accuracy and Product Reliability
- Measurement Compliance, TL9000 certification and OEM Standards
Training Courses
Course Number
This course presents a detailed overview of the technology fundamentals including the topology, network problems and fault isolation, and real-world issues that impact quality of service as well as fiber inspection techniques and connectivity/continuity tests. Learn the recommended approach for how to test and evaluate the performance of DWDM networks using OTDR and PMD tests. Understand how to confidently troubleshoot network faults and locate problems in DWDM networks.
- Understand light propagation, DWDM network components and architecture, connectors and cable types, fiber losses and attenuation process, and the recommended fiber inspection and cleaning techniques
- Describe the multiplexing process
- Define PMD and why it needs to be measured
- Understand the operation of an OTDR test and what conditions impact the accuracy of it
- Describe the recommended approach to DWDM and PMD testing and for troubleshooting
- Global
- English
- Other languages available upon request
Course Number
This course presents a detailed overview of technology fundamentals including the topology, protocol-oriented network problems, fault isolation, and real-world issues that impact quality of service. Learn the recommended layered/structured approach for testing and troubleshooting techniques to test and certify Ethernet circuits, including proper fiber inspection techniques.
- Understand the fundamental operation of Ethernet/IP networks including the network components and architecture, connectors and cable types, errors and alarms
- Comprehend the purpose and need for auto-negotiation, Ethernet switching, flow control, and prioritization functions
- Detail the structured approach to test and troubleshoot Ethernet/IP networks including VLANs
- Describe the the characteristics of the TCP/IP protocol suite and how to perform protocol analysis on an IP network
- Become familiar with how to employ the RFC 2544 and Y.1564 automated testing scripts
- Global
- English
- Other languages available upon request
Course Number
This course presents a detailed overview of the basic technology fundamentals including the topology, network problems and fault isolation, and real-world issues that impact quality of service as well as fiber inspection techniques and connectivity/continuity tests. Learn the recommended approach for how to characterize and certify fiber using three key fiber tests, fiber inspection, connectivity/continuity and OTDR for FTTx, FTTP, and FTTA. Understand how to confidently troubleshoot network faults and locate problems in xWDM and PON networks.
- Understand light propagation, network components and architecture, connectors and cable types, fiber losses and attenuation process
- Describe the causes of loss in fiber networks
- Understand the recommended fiber inspection and cleaning techniques and describe the proper process to perform fiber optic connectivity/continuity and OTDR tests
- Global
- English
- Other languages available upon request
Course Number
This course presents a detailed overview of the technology fundamentals and Passive Optical Networks (PONs) including the topology, network problems and fault isolation, and real-world issues that impact quality of service as well as fiber inspection techniques and connectivity/continuity tests. Learn the recommended approach for how to characterize and certify fiber using three key fiber tests, fiber inspection, connectivity/continuity and OTDR for FTTx, FTTP, and FTTA. Understand how to confidently troubleshoot network faults and locate problems in FTTx and PON networks.
- Understand light propagation, network components and architecture, connectors and cable types, fiber losses and attenuation process
- Describe the causes of loss in fiber networks
- Understand the recommended fiber inspection and cleaning techniques
- Describe the proper process to perform fiber optic connectivity/continuity tests
- Understand the fundamental operation of an OTDR test
- Describe what conditions impact the accuracy of the OTDR test
- Detail the steps involved in the process to perform an OTDR test including event analysis
- United States
- English
- Other languages available upon request
Self-Paced Online Training
Course Number
This course presents an overview of performing an OTDR test using the FTTH-SLM mode on the SmartOTDR tester. Learn how to set up an OTDR test for a 1x8 configuration, run the test, and locate, review and save test results.
- Global
- English
- Other languages available upon request
- Self-Paced Online Training
Course Number
This course presents an overview of the recommended Inspect Before You Connect (IBYC) process. Learn how to properly inspect, clean, and test fiber end-faces before making connections.
- Global
- English
- Other languages available upon request
- Self-Paced Online Training
Course Number
This course presents a solid foundation of understanding for Fiber Optic technology and concepts. Learn about fiber safety and standards, light propagation, network components and architecture, connectors and cable types, and fiber losses and attenuation process.
- Global
- English
- Other languages available upon request
- Self-Paced Online Training
Course Number
This course presents a solid foundation of understanding for Fiber Optic testing concepts. Learn about the importance of embracing the proper fiber inspection, cleaning, and basic fiber testing process and techniques, and the basic fiber tests and the tools needed to perform.
- Global
- English
- Other languages available upon request
- Self-Paced Online Training
Course Number
This course presents an overview of the key concepts for performing testing operations in Fiber-to-the-X (FTTX) networks and Passive Optical Networks (PONs). Learn about testing methods for FTTX and PON circuits, and how to test the Optical Signal-to-Noise Ratio (OSNR) in Reconfigurable Optical Add Drop Multiplexer (ROADM) networks.
- Global
- English
- Other languages available upon request
- Self-Paced Online Training
Course Number
This course presents an overview of IP Routing concepts and the operation of Multi Protocol Label Switching networks. Learn about the routing equipment and protocols, and how data flows through the network.
- Global
- English
- Other languages available upon request
- Self-Paced Online Training
Course Number
This course presents an overview of the key concepts for Internet Protocol (IP; ISO Layer 3) technology. Learn about the topology, protocol-oriented network problems and real-world issues that impact quality of service, how to perform testing and isolate faults.
- Global
- English
- Other languages available upon request
- Self-Paced Online Training
Course Number
This course presents an overview of the key concepts for IPTV networks and technology. Learn about IPTV protocols and basic MPEG fundamentals, requirements for proper operation, and IPTV testing methods.
- Global
- English
- Other languages available upon request
- Self-Paced Online Training
Course Number
This course presents an overview of performing an OTDR test using the FTTH-SLM mode on the SmartOTDR tester. Learn how to set up an OTDR test for a 1x8 configuration, run the test, and locate, review and save test results.
- Global
- English
- Other languages available upon request
- Self-Paced Online Training
Course Number
This course presents an overview of the various xDSL technologies and networks. Learn about the xDSL variations and rates, copper line characteristics, network components and topologies, and the testing process.
- Global
- English
- Other languages available upon request
- Self-Paced Online Training
Course Number
This course presents the technical foundation necessary to gain a basic understanding of the Optical Time Domain Reflectometer (OTDR) test. Learn the best practices for performing OTDR tests and how to understand the OTDR trace results.
- Global
- English
- Other languages available upon request
- Self-Paced Online Training
Course Number
This course presents an overview of performing an OTDR test using the FTTH-SLM mode on the T-BERD/MTS-4000. Learn how to set up an OTDR test for a 1x8 configuration, run the test, and locate, review and save test results.
- Global
- English
- Other languages available upon request
- Self-Paced Online Training
Course Number
This course presents an overview for how to test MPO Cables using an MPO Switch and the T-BERD/MTS-4000 in Manual mode. Learn how to use the Expert OTDR functions to manually configure, perform, and retrieve/save test results.
- Global
- English
- Other languages available upon request
- Self-Paced Online Training
Course Number
This course presents an overview for how to test MPO Cables using an MPO Switch and the T-BERD/MTS-4000. Learn how to use the Enterprise SLM/OTDR functions to quickly configure, perform, and retrieve/save test results.
- Global
- English
- Other languages available upon request
- Self-Paced Online Training
Course Number
This course presents an overview for testing MPO Cables using the T-BERD/MTS-4000 and an MPO Switch. Learn how to configure, perform, and retrieve/save OTDR test results using the SmartLink Mapper (SLM) Numbering mode.
- Global
- English
- Self-Paced Online Training
Course Number
This course presents an overview of how to make various types of network connections with the T-BERD/MTS 4000. Learn how to make RJ-45 Ethernet, Apple iOS, Android, and WiFi hotspot connections.
- Self-Paced Online Training
Course Number
This course presents an overview of running an OTDR test with the T-BERD/MTS-4000 in Expert OTDR Mode. Learn how to configure acquisition, alarms, thresholds, and link definition parameters and locate, analyze, and manage test setup/result files.
- Global
- English
- Other languages available upon request
- Self-Paced Online Training
Course Number
This course presents an overview of the T-BERD/MTS 4000 platform. Learn how to use the controls, keys, and connectors and how to navigate the GUI menus and Home Screen.
- Global
- English
- Other languages available upon request
- Self-Paced Online Training
Course Number
This course presents an overview of how to use the SmartLink Mapper feature on the T-BERD/MTS-4000. Learn how to quickly and easily locate and interpret OTDR test results.
- Self-Paced Online Training
Course Number
This course presents an overview of performing an OTDR test using the SmartTest Assistant with the T-BERD/MTS-4000. Learn how to run basic OTDR tests using simplified configuration setups and how to locate and analyze test results.
- Global
- English
- Other languages available upon request
- Self-Paced Online Training
Course Number
This course presents an overview of key features, functions, and system settings for the T-BERD/MTS-4000. Learn how to set preferences, use SmartAccess Anywhere and Remote Control, and maintain the battery, modules, and fiber adaptors.
- Global
- English
- Other languages available upon request
- Self-Paced Online Training
Course Number
This course presents an overview of performing an OTDR test using the FTTH-SLM mode on the T-BERD/MTS-4000. Learn how to set up an OTDR test for a 1x32 configuration, run the test, and locate, review and save test results.
- Global
- English
- Other languages available upon request
- Self-Paced Online Training
On-Site and Virtual Classroom
Course Number
This course presents a detailed overview of technology fundamentals, testing, and troubleshooting using the product, including how to navigate the GUI and menus. Learn to characterize and certify fiber using three key fiber tests, fiber inspection, connectivity/continuity and OTDR for FTTx, FTTP, and FTTA. Utilize the test set to confidently troubleshoot network faults and locate problems in xWDM and PON networks.
- Understand light propagation, network components and architecture, connectors and cable types, fiber losses and attenuation process
- Navigate the product GUI and menus to configure for Fiber Optic testing
- Perform fiber optic connectivity/continuity and OTDR tests: inspection and cleaning of all optical connections, optical insertion loss (OIL) and optical return loss (ORL), end-to-end loss testing with optical power meter (OPM) and optical light source (OLS), OTDR cable analysis
- Save and restore test configurations, using StrataSync and MobileTech App
- Global
- English
- Other languages available upon request
- On-Site and Virtual Classroom
Support at Every Step
We provide support, services, comprehensive training and the resources you need. It’s all part of what we do to maximize the value of your VIAVI investment.
Ask an Expert
Contact us for more information or to receive a price quote. We have the experts to give you the right answer on any of your questions.