• English
    • Français
    • Español
    • 中文
exfo-logo.png
  • English
  • Français
  • Español
  • 中文

osa20_right_9991-snippet.jpg
OSA20 - optical spectrum analyzer

Support Americas

Field network testing, lab and manufacturing testing and EXFO Connect solutions

  • Phone: +1-418-683-5498 Other countries
  • Toll-free: +1-866-683-0155 USA and Canada
  • Contact us

Field network testing, wireless solutions

  • Toll-free: +1-800-663-3936 USA and Canada
  • Fax: +1-972-761-9067
  • Contact us

Service assurance

  • Phone: +1-978-367-5789 Other countries
  • Toll-free: +1-877-261-3279 USA
  • Contact us

Support EMEA

Field network testing, lab and manufacturing testing and EXFO Connect solutions

  • Phone:+44-2380-246-800
  • Toll-free:+800-2255-3936
  • Contact us

Field network testing, wireless solutions

  • Phone: +358-403-010-300
  • Toll-free: +358-8-564-5203
  • Contact us

Service assurance

  • Phone: +1-978-367-5789 Other countries
  • Toll-free: +1-877-261-3279 USA
  • Contact us

Support APAC

Field network testing, lab and manufacturing testing and EXFO Connect solutions

  • Phone: +65-6333-8241 Asia-Pacific
  • Contact us (Asia-Pacific)
  • Phone: +86-10-8950-8858 China
  • Toll-free: +400-610-6999 China
  • Contact us (China)

Field network testing, wireless solutions

  • Phone: +91-020-67209130
  • Fax: +91-124-4868378
  • Contact us

Service assurance

  • Phone: +1-978-367-5789 Other countries
  • Toll-free: +1-877-261-3279 USA
  • Contact us
  • Customer service
  • Contact a sales representative
  • Technical support
Helpful resources Knowledge base
osa20_right_9991-snippet.jpg
OSA20 - optical spectrum analyzer

Support Americas

Field network testing, lab and manufacturing testing and EXFO Connect solutions

  • Phone: +1-418-683-5498 Other countries
  • Toll-free: +1-866-683-0155 USA and Canada
  • Contact us

Field network testing, wireless solutions

  • Toll-free: +1-800-663-3936 USA and Canada
  • Fax: +1-972-761-9067
  • Contact us

Service assurance

  • Phone: +1-978-367-5789 Other countries
  • Toll-free: +1-877-261-3279 USA
  • Contact us

Support EMEA

Field network testing, lab and manufacturing testing and EXFO Connect solutions

  • Phone:+44-2380-246-800
  • Toll-free:+800-2255-3936
  • Contact us

Field network testing, wireless solutions

  • Phone: +358-403-010-300
  • Toll-free: +358-8-564-5203
  • Contact us

Service assurance

  • Phone: +1-978-367-5789 Other countries
  • Toll-free: +1-877-261-3279 USA
  • Contact us

Support APAC

Field network testing, lab and manufacturing testing and EXFO Connect solutions

  • Phone: +65-6333-8241 Asia-Pacific
  • Contact us (Asia-Pacific)
  • Phone: +86-10-8950-8858 China
  • Toll-free: +400-610-6999 China
  • Contact us (China)

Field network testing, wireless solutions

  • Phone: +91-020-67209130
  • Fax: +91-124-4868378
  • Contact us

Service assurance

  • Phone: +1-978-367-5789 Other countries
  • Toll-free: +1-877-261-3279 USA
  • Contact us
  • Customer service
  • Contact a sales representative
  • Technical support
Helpful resources Knowledge base

Helpful resources

Knowledge base

2024-11-06
Recommended Calibration Interval
Calibration
Most EXFO Test & Measurement products
2024-11-06
2024-07-12
Keeping your OSA20 instrument system software updated
Software Installation and Update/Upgrade
OSA20
2024-07-12