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JPEG2000 Stand alone DVR User Guide
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7-1 Network Introduction
Users have to indentify what kind of Internet access they have before they set up the DVR’s network parameters.
DSL and cable modem are the most popular broadband technologies.
ADSL- Asymmetric Digital Subscriber Line
ADSL is one of xDSL technologies, transmitting digital data over the wires of a local telephone network. Typically,
the download speed of DSL ranges from 128 kilobits per second (kbit/s) to 24,000 kbit/s depending on DSL
technology and service level implemented. Upload speed is lower than download speed. ADSL is the most
popular broadband technology, followed by Cable Modem.
Cable Modem(or Cable)
Cable Modem, Cable Internet Acess, or simply Cable is to deliver the Internet Service over a coaxial cable line,
which can be the cable of your Cable TV. The bandwidth of Cable ranges from 3 Mb to 15 Mb, or more. The
upload bandwidth usually ranges from 384kb to 2Mb, or more. However, the connection speed may drop when
many people are using the sevice at the same time
7-2 Network installation and setup
7-2-1 Via Cable
Connect the Network cable of Cable Modem output to DVR
Enter [SYSTEM MENU]f [EXTERNAL DEVICE] f [TP/IP SETUP]f[DHCP SETUP]f[DHCP MODE].
Place the cursor at DHCP MODE and press ENTER to switch the DHCP MODE to [AUTOMATIC]. Then,
move the cursor over [DETECT IP] and press ENTER to detect IP. DVR will automatically get the IP ADDRESS,
SUBNET MASK, and GATEWAY from the Cable Modem and shows the IP information on the DVR.
Press MENU and go back to the previous setup page, [TP/IP SETUP]. Go to [IP CONFIG SETUP] to set up the
port number. You can either use the default port number or assign a new one.
CHAP.7 Network and client software