SVAT Glossary of Terms.

Last Updated: Dec 18, 2013 12:27PM EST
Glossary of Terms:

Network Access: Here you can choose between the three different types of networks that the DVR can be connected to. The three types of networks are:
DHCP: DHCP (Dynamic Host Configuration Protocol) is a system where one device on your network (usually a router) will automatically assign IP addresses to devices connected to the network.
STATIC: Static networks require all devices to have their IP addresses manually defined, as there is no device dedicated to automatically assigning addresses.
PPPoE: An advanced protocol that allows the DVR to be more directly connected via a DSL modem. This is an option for advanced users only.
Default Gateway: This is the address of the “way to the Internet” - to continue the road analogy, this is like your local access point (on ramp) to the highway. This is an IP address in the same format as the others, and is typically very similar to the IP address of the DVR. To continue the above examples, it might be something such as: “192.168.1.1”.
Static DNS: If you need to manually define a DNS server, then choose Static DNS. This is recommended for advanced users only. Preferred DNS Server:  “Domain Name System”. Everything on the Internet is located via an IP address - however, for ease of use, we associate domain names (such as “www.exampledomainname.com”) with those IP addresses. This index is accessible in many locations online, and we call those locations “DNS servers”.  As another example people know www.google.com  which is located at http://74.125.224.72/
 
DDNS: The place to configure the DVR to automatically update a dynamic DNS service.  This is useful if you have an IP address that is dynamic (changes frequently). Some ISP’s do offer a static IP address, however this usually is at an additional cost.
 
IP Address: Just as houses and businesses need to have an address which identifies their location on the road network, so to do computers and other devices need addresses (called IP ADDRESSES) to identify their location on the electronic network. The DVR uses IPv4 addressing, which consists of four groups of numbers between 0 and 255, separated by periods. For example, a typical IP address might be “192.168.1.12” or something similar. The most important thing when setting the IP address is that nothing else on your network shares that IP address.
 
Subnet Mask: If the IP address is like a street address, then a subnet network is like your neighborhood. This will be formatted in a similar way to the IP address (i.e. four numbers up to 255 separated by periods) but contain very different numbers. In the above example, the Subnet Mask might be something like: “255.255.255.0”.
 
MAC Address: The Media Access Control address. This is a unique code assigned to each DVR that connects to the internet. If you have more than one particular model of DVR you may be required to change one of the MAC addresses on one system to prevent the router from seeing two units as one. 

UPNP enable: UPnP is a technology which makes configuring your network easier and faster. To use the UPnP setting on the DVR, you’ll need a router which supports the feature, with UPnP enabled. Note that many routers which do support UPnP do not come with the feature enabled by default. You may need to ask your Internet service provider to turn it on. When UPnP is enabled on both your DVR and router, the Ports that the DVR requires to be open for access to and from the Internet will automatically be opened and closed as necessary by your router, saving you the trouble of manually forwarding these ports. If UPnP is not enabled, or your router does not support the feature, you’ll need to forward the ports the DVR uses from the router to the DVR - since this is a technically challenging process; we strongly recommend using UPnP if possible.


If you need more assistance please contact SVAT technical support through their Live Chat at http://svat.com/contact.php
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