Night Owl PRO-1681TB-2DMA user manual - Manual (Page 56)

Chapter 15: Advanced Menu
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15.2.3 Port Menu
The Port Menu allows you to view your DVR through the Internet, software,
and mobile phones.
To access the Port Menu, select the Advanced button, select
Network from
the list on the left side of the screen, and then select Port.
•
Media Port: This needs to be set to 9000. It will allow you to
access to the DVR through the Control Management
•
Web Port: This needs to be set to 2051. This will allow access to
the DVR through the Internet.
Software (NightOwl View).