D-Link DCS-2000 Router Manual PDF (Setup & Configuration Guide)

Page 41 / 140 Scroll up to view Page 36 - 40

41

Using the DCS-2000 with an Internet browser

(continued)

Click the DDNS & UPnP

button from the Configuration screen to access DDNS

& UPnP settings.

Configuration > Advanced > DDNS & UPnP

Click

DDNS & UPnP

Dynamic DNS (DDNS)

Dynamic DNS (Domain Name Service) is a method of keeping a domain name

linked to a changing (dynamic) IP address. With most Cable and DSL

connections, you are assigned a dynamic IP address and that address is used

only for the duration of that specific connection. With the

DCS-2000

, you can

set up your DDNS service and the

DCS-2000

will automatically update your

DDNS server every time it receives a different IP address. Depending on the

service, this update may take a few hours.

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42

Enable DDNS -

Click to enable the DDNS function.

Provider-

Select your Dynamic DNS provider from the pull

down menu.

Host name-

Enter the host name of the DDNS server.

Username/E-mail-

Password/Key-

Enter your password or key used to connect to

the DDNS server.

Using the DCS-2000 with an Internet browser

(continued)

Configuration > Advanced > DDNS & UPnP (Continued)

Enter your username or e-mail used to connect to

the DDNS server.

UPnP

UPnP is short for Universal Plug and Play, which is a networking architecture

that provides compatibility among networking equipment, software, and

peripherals. The

DCS-2000

is a UPnP enabled internet camera. If your operating

system is UPnP enabled, the device will be easier to configure. If you do not

want to use the UPnP functionality, it can be disabled by unselecting the Enable

UPnP check box.

Click Apply to make

changes effective

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43

Click the video button from the Configuration screen to access video settings

that affect how the video image appears.

Configuration > Advanced > Video

Using the DCS-2000 with an Internet browser

(continued)

Invalid settings may cause the

DCS-2000

to not respond. Change the

configurations only if necessary. Consult with your network administrator

or your Internet Service Provider (ISP) if you do not have the necessary

information. If you cannot connect to the camera, refer to page 125 for

camera

reset

and

restore

factory settings procedures.

Click

Video

Text will be displayed in the black bar above the video

window with the timestamp. The timestamp is

captured from the date and time of the

DCS-2000

and is maintained by a built-in real-time clock.

Text on video -

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44

Configuration > Advanced > Video (Continued)

Color -

Size

-

Maximum frame rate-

Video quality control-

Flip -

Vertically rotate the video.

Three options exist for the sizes of the video display.

You can select between

176x120/176x144

,

352x240/352x288

, or

704x480/401x576

. The first

value represents the PAL format of video and the

second value represents the NTSC format. In

704x480/401x576

mode, the frame rate will be

reduced to 10fps and increased to 30fps

automatically when it is switched back to a lower

image size.

Power line frequency

(for fluorescent light)

Select the option for color or monochrome video

display.

Fluorescent lights may intermittently cause a

flashing image depending on the AC power line

frequency. Change the frequency setting to

eliminate a flashing image when the light source is

fluorescent light.

Limits the maximum refresh frame rate. The frame

rate is used with the

Video quality control

setting

(below) to optimize bandwidth utilization and video

quality.

To fix the bandwidth utilization regardless of the

video quality, choose

Fix bit rate

and select

the

desired bandwidth. The video quality may be reduced

in order to send maximum frames with limited

bandwidth, especially when images change

drastically. For higher video detail regardless of the

bandwidth selection, select

Fix quality

and select

a quality level. This setting will utilize more bandwidth

to send the maximum frames when images change

drastically.

Using the DCS-2000 with an Internet browser

(continued)

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45

Mirror -

Horizontally rotate the video. Check both

flip

and

mirror

if the

DCS-2000

is to be installed upside

down.

White balance

-

Choose the suitable option for the best color

temperature.

Configuration > Advanced > Video Settings (continued)

Using the DCS-2000 with an Internet browser

(continued)

Click Apply to make

changes effective

To achieve a real-time visual effect, the network bandwidth should be large

enough to transmit 20 image frames per second (fps) or more. If you are on a

broadband network over 1 Mbps, you can choose

Fix bit Rate

to 1000Kbps or

1200Kbps, or choose

Fix quality

to achieve the maximum frames. The maximum

frame rate is 25 in 50Hz system and 30 in 60Hz system. If your network bandwidth

is more than 384Kbps, you can adjust

Fix bit rate

according to your bandwidth

and set the maximum frame rate of 25 to 30. If the images vary dramatically in

your environment, you may slow down the maximum frame rate to 20 to decrease

the transmitted data for better video quality. Since the human eye could not

easily differentiate between 20 and 25 or 30 frames per second, the slower

frame rate will not be noticed. If your network bandwidth is below 384 Kbps, you

should adjust the bit rate according to your bandwidth and experiment to allow

for the best frame rate that can be achieved. The faster frame rate in a slow

network will blur the images. You may also try to choose

352x240/352x288

in

size option for better images or

704x480/704x576

for larger image size.

Because the network has burst constraints and everyone’s environment is not

the same, any poor connection will impair normal performance.

Recording settings for real-time motion images

“Best performance” means the image refresh rate should be the fastest possible

and the video quality should be the best possible at the lowest network bandwidth

possible. Three factors,

Maximum frame rate

,

Fix bit rate

, and

Fix quality

in

the Video configuration page, are related to the performance.

Recommendations for setting video for the best

performance:

Rate

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