Sumitomo Electric Networks participated in the third DOCSIS Provisioning of EPON (DPoE) interoperability event hosted by CableLabs in Louisville, CO, together with other DPoE suppliers, on Aug. 22-26. Sumitomo completed interoperability testing with its DPoE platform supporting access interfaces including 1G and 10G EPON, combined with scalable L2/L3 switching capabilities and a multi-terabit backplane.