en

Products

Field network testing

Optical Wave Expert - DWDM Channel Checker and OTDR

Lab and manufacturing testing

MOA-3800 - variable optical attenuator

Service assurance

New Nova SensAI - revolutionary, real-time automated assurance solution

Solutions

Communications service providers

Contractors

Academic and research institutions

Cable MSO (multiple system operator)

Network equipment manufacturers

Webscale companies and data centers

Government

System integrators

Technologies

Services

Training

Featured Introduction to testing with OTDRs

Field network testing

Brochures and catalogs Be-an-Expert Training Catalog

Lab and manufacturing testing

Brochures and catalogs Be-an-Expert Training Catalog

Service assurance

Brochures and catalogs EXFO Astellia Training Courses

Resources

Technical documentation

Promotional documentation

Legal documentation

Blog

Automation needs accurate and complete data to work properly By Ken Gold | April 2020
Embracing the cloud (mobile network): myth and reality By Dr. Konstantinos Stavropoulos | March 2020
5G benefits for consumers and carriers By EXFO | March 2020
View all

Webinars

How to avoid turning mass fiber deployments into an OPEX vortex

Jimmy Gagnon | April 8, 2020

Register now

5G Is Redefining Transport Networks – Are You on Board?

Sébastien Prieur | April 15, 2020 - 11:00 am New York / 4:00 pm London

Register now

FTTH Webinar Series - Back to the basics

Alfonso Domesi | April 27, 2020 - 10:00 a.m. EDT / 2:00 p.m. GMT

View all

Glossary

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

Videos

Success stories

Alternate Text

Tier 1 MNO partners with EXFO to automate network operations

Alternate Text

Analytics-driven 5G launch (with EXFO’s Nova Services)

Alternate Text

EXFO and Zain unlock the value of network data to boost CX and revenues

View all

Transformations

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

Login Register

Corporate
Investors
Careers
Partners
Suppliers
Products
Field network testing
Lab and manufacturing testing
Service assurance
Solutions
Communications service providers
Wireline
Wireless
Service assurance
Contractors
Managed services, installation and maintenance
Academic and research institutions
Cable MSO (multiple system operator)
Wireline
Service assurance
Network equipment manufacturers
Physical layer and network protocol testing
Webscale companies and data centers
Physical layer and network protocol testing
Network optimization
Government
System integrators
Technologies
Support
Services
Training
Field network testing
Lab and manufacturing testing
Service assurance
How to buy
Resources
Technical documentation
Promotional documentation
Legal documentation
Videos
Transformations
Contact
English

Glossary

Technology evolves at a rapid-fire pace. That’s why we’ve built an easy-to-use glossary to help you better understand the terms, technologies and trends that impact your business.

Element Management System (EMS)

Return to glossary

Systems and applications for managing network elements (NE) on the network element management layer (NEL) of the Telecommunications Management Network model.