Microsoft Visio Stencils for NetBackup 5230 Appliances

Microsoft Visio Stencils for third generation NetBackup Appliances can be downloaded from here. 

1. Create folder My Documents\My Shapes\Symantec on your system where Microsoft Visio Professional is installed.
2. Save the three stencils in My Documents\My Shapes\Symantec
3. Use Microsoft Visio Professional to create drawings. The stencils may be accessed from File ==> Shapes==> Symantec menu.

Other resources: 

Microsoft Visio Stencils for first and second generation appliances are here