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by chaz6 830 days ago
It is not quite as simple. The ONT also maps services to ports. Take for instance an ONT with 4 ethernet ports and 1 FXO port. The FXO port can be mapped to a SIP service, and each ethernet port can be mapped to a different network service. They can even have multiple tagged VLANs. Multi-port ONT's are often used to deliver services to multiple businesses sharing a premesis, or those that want an equivalent to a leased line in combination with an internet service.