Inter-optical line terminal (OLT) communication in multiple-OLT passive optical networks (PONs)

摘要

A system comprising a first optical line terminal (OLT) comprising a first integrated optical network unit (ONU), and a first OLT transceiver, and a second OLT coupled to the first OLT, wherein the second OLT comprises a second integrated ONU, and a second OLT transceiver. Included is a first OLT comprising an optical transceiver, at least one processor coupled to the optical transceiver, wherein the processor working in conjunction with the optical transceiver is configured to determine an upstream wavelength corresponding to a second OLT, join, via a first ONU in the first OLT, the second OLT using the upstream wavelength corresponding to the second OLT, and transmit data to the second OLT by the first OLT via the first ONU, wherein the second OLT comprises a second ONU.

主权项

1. A system comprising:
a first optical line terminal (OLT) comprising:
a first integrated optical network unit (ONU); anda first OLT transceiver; a second OLT coupled to the first OLT and comprising:
a second integrated ONU; anda second OLT transceiver; and a downstream ONU associated with the second OLT, wherein the first OLT is configured to:
detect that either the second OLT or the downstream ONU is improperly transmitting at a wavelength not assigned to it; andnotify the second OLT of the improper transmission.