this show pictures with different connector types to choose from
Should be this one. SC cable
Cutting and rebuilding your own fiber optic can be a little tricky, in my opinion. Best to just get a replacement cable.
PacSatSales - Fiber Optic Patch Cable - Single Mode - SIMPLEX - OS1-9/125um (10M, SC/APC to SC/APC) https://www.amazon.com/dp/B01GIWE88S/ref=cm_sw_r_cp_api_i_FSAZEbS6D4CP8
Amazon has what looks like replacement Fiber cables if you want to try to replace it yourself.
SC/APC to SC/APC fiber such as:
https://www.amazon.com/PacSatSales-Single-SIMPLEX-Fiber-Optic/dp/B01GIWE88S