EZWatch Pro 3.1 - Manual (Page 133)

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Remote Computer:
The remote computer can be a standard PC or a lap top with DSL, Cable or
Dial Up Internet access. We highly recommend using DSL or Cable internet
connections, especially if you are going to remotely view four or more
security cameras. Dial-Up access is acceptable if you are only working with
one or two cameras.
Remote Access:
You have two options for remotely viewing your cameras using the internet.
You can access the DVR/Server by using Internet Explorer or loading the
EZNetwork software on to the remote PC. The EZNetwork software is found
on the DC which can with your EZWatch Pro DVR.
Internet Explorer allows you to remotely use the most common functions of
the DVR such as viewing cameras and playing back the recorded video clips.
If you want the ability to remotely change system configurations such as
recording times and time activated events, you will need to install
EZNetwork software onto the remote PC. The EZNetwork software allows
complete control of all aspects of the system as if you were there.
Internet Access, Viewing Cameras and How It Works:
The emergence of high speed internet service in the late 90's brought about
the use of static and dynamic IP addresses. These addresses allow users to
connect to the internet through Internet Service Providers (ISP). The
addresses work just like the mailing address for your home or business. It
is the internet address your computer uses while it is connected to the
internet.
Both static and dynamic addresses work in similar ways. They both allow you
access to the internet. But static addresses never change. Every time you
access the internet you have the same address or IP. Dynamic addresses can
change each time you connect to the internet. Because of this, dynamic
addresses cause a problem when tying to link to the same computer multiple
times through the internet. The address or IP for the computer you are trying
to access can randomly change making it impossible for the remote computer
to find the other computer through the internet. All internet providers will
issue Dynamic IP address to their customers. Static IP addresses are