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## Maintenance and upgrades 

## Part 4 

This part of the book provides useful information about maintenance and upgrades. 

This part contains the following chapters: 

GLYPH<SM590000> Chapter 13, “Licensed machine code” on page 445 

GLYPH<SM590000> Chapter 14, “Monitoring with Simple Network Management Protocol” on page 457 

GLYPH<SM590000> Chapter 15, “Remote support” on page 471 

GLYPH<SM590000> Chapter 16, “DS8870 to DS8880 model conversion” on page 489. 

