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。
M.Sc., Senior Instructor, EXFO
What is MPO polarity? Why is it so important to check the polarity of your links? Watch this episode to find out.
1. MPO connectors and cables | Fiber optic tutorial
2. Inspecting and cleaning MPO connectors | Fiber optic tutorial
