: Parece que é para se conectar a um terminal de rede óptica (ONT). O que é um ONT então?
De dslreports :
An ONT is a media converter that is installed by Verizon either outside or inside your premises, during FiOS installation. The ONT converts fiber-optic light signals to copper/electric signals.
Each ONT is capable of delivering:
- Multiple POTS (plain old telephone service) lines
- Internet data
- Video
O artigo da wikipedia tem mais algumas informações aqui
An ONT (optical network terminal) is used to terminate the fiber optic line, demultiplex the signal into its component parts (voice telephone, television, and Internet), and provide power to customer telephones