In a POL, the PON transmits ETH data frames, and Ethernet frames are transmitted upstream by an OLT and downstream by an ONU.
An ONU supports integrated service bearing. Which of the following ports is not supported by an ONU?
What are the meanings of the first two letters "D" and "Q" in the DQ ODN solution?
Only the first two ports of a Nano OLT can be used initially. The last two ports can be used only after RTUs are purchased.
The aggregation layer uses passive optical splitters to avoid faults in active components, eliminating the need for O&M and reducing the cabling workload in buildings by 80%.
TESTED 17 Feb 2026
