ATIS T1.105 : 2001 SUPP A 2002

Foreword
1 Scope
2 Normative references
3 Definitions
4 Abbreviations
5 General
6 Rates
7 Transport formats
8 Layered overhead and transport functions
9 Payload pointers
10 Multiplex procedure
Tables
1 Standard OC rates
2 VT1.5 Locations
3 VT2 Locations
4 VT3 Locations
5 VT6 Locations
6 Overhead usage
7 SONET Synchronization Status Messages
8 Path signal label - Byte C2
9 RDI-P defects
10 Reserved SAPI values for the Path Layer Data Channel
11 VT signal label - Byte V5 (5-7)
12 VT sizes
13 RDI-V defects
14 Triggers for PDI-P
15 VT multiframe indicator byte (H4)
Figures
1 Layered model representation of AIS, RDI and RFI
    Indications
2 Simplified diagram depicting Section, Line, Tandem
    Connection and Path
3 Diagram Illustrating Section, Line, Tandem Connection
    and Path Definition
4 Bit Position Numbering
5 STS-1 Frame
6 STS-1 Synchronous Payload Envelope (SPE)
7 STS-1 Synchronous Payload Envelope with
    STS-1 POH and STS-1 Payload Capacity Illustrated
8 STS-1 SPE in Interior of STS-1 Frame
9 VT Sizes
10 Examples of VT, Structured STS-1 SPE
11 Three-Dimensional Representation of Example VT-
    Structured STS-1 SPE
12 VT-Structured STS-1 SPE: All VT1.5
13 VT-Structured STS-1 SPE: All VT2
14 VT-Structured STS-1 SPE: All VT3
15 VT-Structured STS-1 SPE: All VT6
16 VT-Superframe
17 VT-Synchronous Payload Envelope
18 STS-N Frame
19 STS-3c Synchronous Payload Envelope
20 STS-Nc (N>-3X where X = 1,2,3..) Synchronous Payload
    Envelope
21 Interface layers
22 Overhead Byte Locations in an STS-1 Frame
23 Transport Overhead Byte Locations in an STS-3 Frame
24 Transport Overhead Byte Locations in an STS-12 Frame
25 STS Path Status Byte (G1)
26 V5 Overhead Byte
27 VT Overhead Byte Z7
28 PDI-P triggers
29 Equipment Examples of AIS, RDI and RFI
30 STS-1 Payload Pointer (H1, H2, H3) Coding
31 STS-1 Pointer Offset Numbering
32 Positive STS-1 Pointer Adjustment Operation
33 Negative STS-1 Pointer Adjustment Operation
34 VT Payload Pointer Coding
35 VT Pointer Offsets
36 Example of Byte Interleaving
37 Frame-Synchronous Scrambler (Functional Diagram)
38 An example of STS-1 Frame and OC-N Line Signal
    Composition
Annexes
A LAPD usage for path data channel to pass security
    information
B Bibliography

Defines the multiplexing format and basic overhead definitions for the Synchronous Optical Network (SONET) signal.