Message syntax

Every message in a communication stream is constructed according to the following syntax:

[Direction] [PackageName]
[Package content - HEX] [Package content - ASCII]

Direction: The transmission direction of the package:

Symbol Description

<< From DMA to element

>> From element to DMA
PackageName: The name that the protocol developer assigned to the package.
Package content - HEX: The actual content of the package in hexadecimal format.
- All data is arranged in blocks of 5 bytes, so one row contains 20 bytes in total.
- The first block is a header added by the DMA to conveniently number the rows of 20 bytes.
Package content - ASCII: The actual content of the package in ASCII format.
- Non-printable characters are replace by a dot (”.”).
- Note that not all protocols use ASCII characters. Therefore, this ASCII representation only makes sense if the protocol uses ASCII characters.

Symbol	Description
<<	From DMA to element
>>	From element to DMA

If a timeout occurs, e.g., when the element did not send a valid response, the keyword “TIMEOUT” is added to the stream.
If you connect to SNMP elements using telnet, Get and Set commands will only be shown in ASCII format.
Depending on the logging level of an element, additional information may be displayed in the communication stream (e.g., calculations performed by the protocol using values retrieved from the element).