Overhead bytes
The following table lists and defines the overhead associated with each SDH path and
line section.
Overhead byte
section
Definition
Regenerator section Contains information that is used by all SDH equipment
including repeaters.
Multiplex section Used by all SDH equipment except repeaters.
Path The POH contains all the additional signals of the respective
hierarchy level so that a VC can be transmitted and switched
through independently of its contents.
SDH frame
The following figure illustrates the SDH frame sections and its set of overhead bytes.
An SDH overview
SDH path and line sections
...................................................................................................................................................................................................................................
365-312-801R7.2
Issue 3, May 2007
Alcatel-Lucent - Proprietary
See notice on first page
A-7
To Next Page
Loading...
