COVID-19：作为一家重要的电信解决方案供应商，EXFO在将员工健康和安全作为首要任务的前提下，保持全面运营。
COVID-19：作为一家重要的电信解决方案供应商，EXFO在将员工健康和安全作为首要任务的前提下，保持全面运营。
Product Line Manager, Access Business Unit
This video demonstrates how to ensure that the copper pair and the DSL are of good quality from a service perspective using the MaxTester 635 to test single-pair and bonded DSL as well as IPTV performance.
