ANSI/CEPT standards Descrip on of the Frame structure Principles of PDH Mul plexing

ANSI/CEPT standards
Descrip on of the Frame structure
Principles of PDH Multiplexing

SDH Technology

ITU-T Recommenda ons for Synchronous Digital Hierarchy
Description of the STM-1 Frame structure
Multiplexing of SDH Signals Synchroniza on of STM-1 Frames
STM-1 Signal: basic elements

Mapping of PDH/ATM over SDH

Mapping of PDH signals over SDH
Mapping of ATM Cells over SDH
Concatenation of Payloads

Pointer

Principle and Functions
Types and structure

Descrip on of the Overhead and its functions

Overhead Func ons
Sec on Overhead : MSOH & RSOH Path Overhead

Monitoring of the SDH signal

Bit Interleaved Parity
Remote error Indication and Remote defect Indication
Alarm Indication signal