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Photos: Fios ONT
The optical network terminal, or ONT, is installed on the outside of the house. The yellow cord is the fiber that carries all the voice, video and data traffic in and out of the home. The terminal also accommodates up to four telephone lines and an Ethernet port.
Photos: Verizon OLT
The optical line terminal, or OLT, sits in a regional office in Verizon's network. It uses a technology call passive optical networking or PON to split the optical signal so bandwidth can be shared among users. Each card in the chassis services 32 households.
Photos: Fios network
Alexander Laparidis, a director at Verizon Labs, explains the network architecture behind the Fios TV service.