1     Scope
 2     Normative references
        2.1     Identical Recommendations | International Standards
        2.2     Paired Recommendations | International Standards equivalent in technical contents
 3     Definitions
        3.1     This Recommendation | International Standard is based on the concepts developed in ITU-T Rec. X.200 | ISO/IEC 7498-1 and makes use of the following terms defined in it:
        3.2     For the purposes of this Recommendation | International Standard, the following definitions apply:
        3.3     This Recommendation | International Standard uses the following terms defined in ITU-T Rec. X.290 and ISO/IEC 9646-1:
        3.4     This Recommendation | International Standard uses the following terms defined in ITU-T Rec. X.210 | ISO/IEC 10731:
 4     Symbols and abbreviations
        4.1     Data units
        4.2     NPDU types
        4.3     NPDU fields
        4.4     Miscellaneous
 5     Overview of the Network Fast Byte Protocol
        5.1     Service provided by the Network Layer
        5.2     Service assumed from the Data Link Layer
        5.3     Functions of the Network Layer
        5.4     Operation over CODLS
        5.5     Model of the Network Layer
 6     Network Fast Byte Protocol specification
        6.1     Network Protocol Data Unit (NPDU) transfer
        6.2     Connection establishment
        6.3     Connection refusal
        6.4     Normal release
        6.5     Error Indication
        6.6     Abnormal release
        6.7     Data transfer
        6.8     Segmenting and reassembling
        6.9     Qualifier-bit
       6.10     Invalid NPDU
       6.11     NS-user initiated reset
 7     FB-NPDU Structure and encoding
        7.1     Header part
        7.2     Control part
        7.3     Data part
 8     Conformance
Annex A – Protocol Implementation Conformance Statement (PICS) proforma
        A.1     General
        A.2     Identification
        A.3     Indices used in this annex
        A.4     Initiator/responder capability to establish connection
        A.5     Supported functions
        A.6     Supported NPDUs
        A.7     Supported FB  NPDU fields and parameters
        A.8     Negotiation and selection
        A.9     Error handling
Annex B – Subnetwork Dependent Convergence Function for subnetworks employing out-of-band signalling
        B.1     Applicable subnetworks
        B.2     Fast Byte Protocol specification