COVID-19: As a designated essential telecom solutions provider, EXFO remains fully operational with our employees' health and safety as our top priority.

Field network testing

New FIP-500 - fiber inspection scope

Lab and manufacturing testing

LTB-12 - rackmount modular mainframe

Service assurance platform

Service assurance solutions

Communications service providers

Academic and research institutions

Fiber optic test and measurement

Testing photonic integrated circuits

Cable MSO (multiple system operator)

Network equipment manufacturers

R&D/Lab innovation

Manufacturing

Field services

Virtualized networks

Testing photonic integrated circuits

400G/800G for labs and manufacturing

Webscale companies and data centers

Ethernet/IP networks

Homeland security

Smart cities and communities

System integrators

Ethernet/IP networks

VoLTE - QoE

VoWi-Fi

Fiber Monitoring

High-speed

Passive Optical Network (PON) testing

FTTx testing

Remote PHY and fiber deep

5G

Fiber testing

400G/800G for labs and manufacturing

Featured Introduction to testing with OTDRs

Field network testing

Brochures and catalogs Be-an-Expert Training Catalog

Lab and manufacturing testing

Simulator test services

Brochures and catalogs Be-an-Expert Training Catalog

Service assurance

Brochures and catalogs EXFO Astellia Training Courses

Technical documentation

Promotional documentation

Legal documentation

How to address challenges in the end-to-end qualification of pluggable transceivers? By François Robitaille | January 2021

Enabling inventory transformation with unified topology By Paolo Pelosio | January 2021

Fiber testing - tips and tricks from our experts January 2021

Register now

How to Harness 5G’s Edge Computing Power

Alan Breznick

5G transformation Service assurance

January 26, 2021

Register now

Fiber 101 series — the new dimension of coherent optics

Anabel Alarcon

January 27, 2021

Watch now

Best testing practices for next-gen PON installation and troubleshooting

Guillaume Lavallée

January, 2021

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0-9

Success stories

European operator uses Nova Context to improve trouble-ticket management

WINDTRE differentiates on ‘top quality’ customer experience with Nova service assurance

CenturyLink Lumen differentiates enterprise network services on ‘quality’ with Nova Active

Transformations

To add favorites to a list, you must be logged in to your account.

Layer 1

Return to glossary

In the seven-layer OSI model, it is the physical layer. The physical layer consists of the basic networking transmission technologies of a network.