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GLOSSARY OF TERMS 
 
1. Network Camera: 
A stand-alone device which allows users to view live, full motion video from anywhere 
on a computer network, even over the Internet, using a standard web browser.   
 
2. JPEG: 
A standard image format, used widely for photographs, also known as JPG.   
 
3. IEEE 802.11b/g: 
The specifications developed by the IEEE for wireless network technology. It provides 
11 Mbps transmission in the 2.4GHz band usage.   
 
4. WEP: 
Wireless Equivalent Privacy. A security protocol for wireless network defined in the IEEE 802.11b/g 
standard. WEP aims to provide security by encrypting data over radio waves so that it is protected as it is 
transmitted from one end point to another.   
 
5. Adhoc Mode: 
A wireless network system in which devices communicate directly with each other, without 
the use of a wireless router.   
 
6. Infrastructure Mode: 
One of the wireless network system in which devices communicate with each other 
by first going through the wireless router.   
 
7. IP Address: 
The unique 32 bit number assigned to each computer connected to the Internet. IP numbers 
are used by the TCP/IP protocol to route packets of data to their destinations.   
 
8. TCP/IP: 
The collection of "protocols" underlying the functioning of the Internet. Each computer connected 
to the Internet is identified by a unique IP Address.   
 
9. SMTP: 
Simple Mail Transfer Protocol.   
 
10. FTP: 
File Transfer Protocol. Network cameras equipped with an embedded operating system, such as 
Linux, can use FTP to send images to a website. 
 
11. DHCP: 
Dynamic Host Configuration Protocol is a set of rules used by communications devices such as 
a computer, router or network adapter to allow the device to request and obtain an IP address from a server 
which has a list of addresses available for assignment.   
 
12 UPnP: 
Universal Plug and Play is an architecture for pervasive peer-to-peer network connectivity of 
intelligent appliances and wireless devices.   
 
13. DDNS: 
DDNS is a method of keeping a domain name linked to a dynamic IP address with your Network 
Camera. You can set up your DDNS service and the device will automatically update your DDNS server 
each time it alter a different IP address.   
 
14. Time server: 
A time server consists of a computer networking device that reads the actual time from a 
reference clock and distributes this information to its clients using a computer network. 
 
15. WPA:
 
Wi-Fi Protected Access (WPA and WPA2) is a class of systems to secure wireless (Wi-Fi
computer networks. WPA implements the majority of the IEEE 802.11i standard, and was intended as an 
intermediate measure to take the place of WEP while 802.11i was prepared. 
 
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