Yes bro, you can splice fiber optic cables. But usually those High Speed Broadband service provider won't provide you this service.

For dedicated leased line, we do provide this kind of services if your fiber optic has issue. Those HSBB unable to provide this service is because the machine itself cost around RM50k which there won't invest on it.

Fiber optic are actually protected by 2 layer of rubber before it reaches the fiber optic. You may refer image as below:-


After removing the 2 layer of protection, the fiber optic will be reveal and you have to use this machine below to cut the fiber optic precisely:-


Can you spot the fiber optic?


Let's zoom in for better look


To splice the fiber optic, you have to use this machine below which cost around RM50k



Splicing are possible just depending whether the service provider want to do and worth to do or not.

You have a good day