Page 1313 - 5G Basics - Core Network Aspects

Transport aspects – OTN 2

Table XII.2 – New terms

Optical Tributary Signal (OTSi)

Optical Tributary Signal Group (OTSiG)

Optical Tributary Signal Group - Overhead (OTSiG-O)

Optical Tributary Signal Assembly (OTSiA)

The relationship between these new terms in and the OCh, OChr, OPS0, OPSn and OPSM terms is as
follows:

Table XII.3 – Relationship between OCh, OChr, OPS0, OPSn, OPSM and OTSi terminology

OCh-P OTSiG with one OTSi

OCh-O Reduced version of OTSiG-O:
- FDI-P, FDI-O and OCI: supported
- TTI, BDI-P, BDI-O, TSI: not supported

OCh Reduced version of OTSiA:
- OTSiG with one or more OTSi
- FDI-P, FDI-O and OCI: supported
- TTI, BDI-P, BDI-O, TSI: not supported
OChr OTSiG with one OTSi; no OTSiG-O

OPS0 OTSiG with one OTSi; no OTSiG-O

OPSMnk OTSiG with m OTSi; no OTSiG-O

OPSn n OTSiG and no OTSiG-O; each OTSiG with one OTSi

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