PTN
PTN(Packet Transport Network) have 3 levels network structure: access level, aggregation level and core level. Access level is used ring topology mainly, chain topology is supply, it have double access points for up level; Aggregation level is used ring topology; Core level is used both.
OCRECOM provides SFP GE/Bidi GE、SFP+ 10G/Bidi 10G、QSFP+ 40G、CFP/CFP2 100G etc. for all IP Metro Network requirements and applications. It realizes high data speed, long distance, efficient transportation and saves fiber resource, reduce the cost of network maintenance and deployment.