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FTB/LTB series

EXFO provides customers with software updates for its FTB/LTB line of products. Here you’ll find all the information you need for the software version your products currently run.
36 releases
FTB/LTB series

iOLM Advanced (iADV) software option is now available on the FTB Lite

The iADV software option unlocks advanced functionalities in iOLM such as SOR pulse width and wavelength editor, advanced link edition and re-analysis and custom elements support.

FTB Lite 720D FTB Lite 730D FTB Lite 735D FTB Lite 750D
April 2026
FTB/LTB series

FTB Lite version 1.3

Latest FTB Lite software is available for download

FTB Lite 720D FTB Lite 730D FTB Lite 735D FTB Lite 750C
December 2025
FTB/LTB series

FTBx-5255 now supported on FTB-1v2 Pro

The FTBx-5255 Optical Spectrum Analyzer (OSA) module with software version 6.14 is now supported on the FTB-1v2 Pro platform.

FTBx-5255 FTB-1v2 Pro
December 2025
FTB/LTB series

FTB-1v2 Pro Toolbox Core update v1.21

The latest update (version 1.21) of the ToolBox Core on the FTB-1v2 platform includes power management improvements.

FTB-1v2 Pro
October 2025
FTB/LTB series

New FTBx-570 v3.8 software

Users can now control the FTBx-570 remotely using REST API commands. A complete list of REST API commands is available.

FTBx-570 FTB-1v2 Pro FTB-2 Pro FTB-4 Pro LTB-8 LTB-12
October 2025
FTB/LTB series

FTB Lite version 1.2

FTB Lite OTDRs add new support for the in-line power meter, more languages (German, French, Spanish) and GPS improvements.

FTB Lite 720D FTB Lite 730D FTB Lite 735D FTB Lite 750C FTB Lite 750C
October 2025
FTB/LTB series

FTBx-570 CD/PMD module – version 3.5

Exciting software improvements for the FTBx-570.

FTB-1v2 Pro FTB-2 Pro FTB-4 Pro LTB-8 LTB-12
July 2025
FTB/LTB series

FTBx-570 – version 3.4

Introducing CD/PMD support with EXFO Exchange v1.22

FTB-1v2 Pro FTB-2 Pro FTB-4 Pro LTB-8 LTB-12
March 2025
FTB/LTB series

First portable 400G field tester supporting QSFP112! Plus new 800G features!

The FTBx-88480 Series now supports QSFP112, iOptics for 100G and DCO, and more! Plus, breakout support for 8 x 100GE on our FTBx-88800 800G testers.

FTB-1 Pro FTB-2 Pro FTB-4 Pro LTB-8 FTB-1 Pro HPDC FTB-1 Pro v2 LTB-2
December 2023
FTB/LTB series

The most powerful 400G field test solution, now with even more features!

The FTBx-88480 extends its testing capabilities with support for Fibre Channel 64x, iOptics and all Ethernet applications running at 100GE.

HPDC FTB-4 Pro
June 2023
FTB/LTB series

FTBx-88480: the most powerful 400G field test solution is now available!

The FTBx-88480 offers dual-port testing up to 400G, 400ZR, 400ZR+ and more! Users can now set different source MAC addresses in EtherSAM and TGEN.

FTB-1 Pro HPDC
March 2023
FTB/LTB series

iOLM (iLOOP) – version 8.42

Introducing the new dual-ended automated bidirectional iOLM option

March 2023
FTB/LTB series

Extending hold-over and OpenROADM support on EXFO solutions

Hold-over capabilities are now available in many test applications at 25GE and 100GE. Support of OpenROADM with the only field 400G solution covering CFP2-DCO.

January 2023
FTB/LTB series

Support for CFP2-DCO in our 400G solution plus hold-over capabilities on the FTBx-88260

Unbeatable new functionalities with the only 400G test solution for the field that supports CFP2-DCO. Hold-over capabilities for multiple test applications now available.

September 2022
FTB/LTB series

New Toolbox updates for all FTB/LTB platforms

June 2022
FTB/LTB series

Optical loss test set (OLTS) – version 1.10

New test-result display features

June 2022
FTB/LTB series

OTDR/iOLM - version 8.38

iOLM now supports discrete sets of thresholds for unidirectional and bidirectional measurements. iOLM general improvements for unbalanced/tapered PON architecture.

FTBx-750C FTBx-735C
March 2022
FTB/LTB series

Complete set of capabilities to test coherent 400G ZR with the FTBx-88460!

Optical metrics and transmit power configuration capabilities now available on the FTBx-88460. Time Error measurements at 100GE now available on the FTBx-88260.

LTB-8
March 2022
FTB/LTB series

EXFO Software Update (ESU) - version 5.7

General update to ESU

LTB-12
March 2022
FTB/LTB series

5GPro Spectrum Analyzer - version 1.2

New on the 5GPro Spectrum Analyzer (version 1.2): 5G SSB blind scanner, TDD gated-sweep and patent-pending TDD sync

FTB-1v2 Pro
March 2022
FTB/LTB series

EXFO Software Update (ESU) - version 5.6

New ESU v5.6 provides support for 18 platform support languages

LTB-12
December 2021
FTB/LTB series

EXFO introduces the DCO BERT application to validate 400G coherent links.

Validate coherent links using the DCO BERT app on FTBx-88460. Improvements to Timer Error/Wander app for synchronization testing using FTBx-88260.

LTB-8
December 2021
FTB/LTB series

OTDR/iOLM - version 8.36

iOLM: general improvements for unbalanced/tapered PON architecture. OTDR: improved autonaming for SOR OTDR files

FTBX-735C FTBX-750C FTB-7600E
September 2021
FTB/LTB series

Addition of 1577 nm wavelength to the onboard power meter for the FTB platforms

FTB-4
September 2021
FTB/LTB series

FastReporter 3 - version 3.7

New features and general improvements

FTB-4 PRO
September 2021
FTB/LTB series

New features improve testing of 5G and high speed networks

Complete Ethernet capabilities from 1G to 400G and support of 400G coherent ZR on the FTBx-88460; 100G eCPRI support (FTBx-88260); RFC6349 enhancements

LTB-8
September 2021
FTB/LTB series

OTDR/iOLM - version 8.35

iOLM now offers a faster characterization mode for point-to-point links under 20km. iOLM custom SOR definition is now selectable by wavelength.

FTBx-750c FTBx-750C FTBx-735C FTBx-730C
August 2021
FTB/LTB series

EXFO Software Update (ESU) - version 5.5

New ESU v5.5 provides bug-fixes

LTB-12
August 2021
FTB/LTB series

FastReporter 3 - version 3.6

New features and general improvements

FTB-4 PRO
June 2021
FTB/LTB series

New features for testing 5G and high-speed networks

Extending Ethernet testing from 1G to 400G (FTBx-88460); iPerf server mode within RFC6349; FlexE support and improved packet time error (FTBx-88260)

LTB-8
June 2021
FTB/LTB series

New product packs for all FTB/LTB Platforms

New product packs introduce updated Toolbox, improvement to SCPI command “LINS”, and support for new audio hardware component

FTB-1v2 Pro LTB-1 LTB-12 FTB-4 Pro
June 2021
FTB/LTB series

Fastreporter 3 - version 3.5

New features and improvements

FTB-4 Pro FTB-4 Pro
March 2021
FTB/LTB series

EXFO Software Update (ESU) - version 5.4

ESU helps ensure your FTB platform, associated module(s) and test apps are up to date.

LTB-8
March 2021
FTB/LTB series

Service Level Agreement validation and advanced troubleshooting capabilities at 400G

LTB-8
March 2021
FTB/LTB series

OTDR/iOLM - version 8.34

iOLM now supports unbalanced/tapered splitter networks

FTBX-730C
December 2020
FTB/LTB series

Extended network synchronization tools with Wander measurements and support of G.8275.2 profile

LTB-8
December 2020