GLSUN 1x1 mechanical optical switch is used to turn on and turn off optical signal. It is usually used to block the transmission in optical path. In #ftth application, 1x1 optical switch can be remotely controlled to shutoff the transmission signal once the user’s account runs out of money. #fiberoptics #opticalnetworks #fttx
https://www.glsun.com/product-v2-1x1-optical-switch.html