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77D-Link DCS-6111 User Manual
Section 4 - Frequently Asked Questions
FrequentlyAskedQuestions
WDRD&NFixedDomeNetworkCameraFeatures
1. What is a WDR D&N Fixed Dome Network Camera?
The WDR D&N Fixed Dome Network Camera is a stand-alone system connecting directly to an Ethernet or Fast Ethernet network. The
WDR D&N Fixed Dome Network Camera differs from a conventional PC Camera because it has an integrated system with built-in CPU
and web-based solutions, providing a low cost solution that can transmit high quality video images for monitoring. The WDR D&N Fixed
Dome Network Camera can be remotely managed, accessed and controlled using a web browser from any computer over an Intranet or
Internet.
2. What is the maximum number of users that can access DCS-6111 simultaneously?
The maximum number of users that can log onto the WDR D&N Fixed Dome Network Camera at the same time is 10. Please keep in mind
the overall performance of the transmission speed will be reduced if many users have logged on to the camera simultaneously.
There is no limit on the number of users when a multicast-enabled router is being used. The multicast protocol helps reduce the network
bandwidth consumption.
Note that the Network Camera must be congured to enable multicast streaming. For more information, see RTSP Streaming on page
44.
3. What algorithm is used to compress the digital image?
The WDR D&N Fixed Dome Network Camera utilizes MPEG-4 simple prole or MJPEG Mode image compression technology providing
high quality images. MJPEG is a standard for image compression and it can be applied to various web browsers and application software
without installing any extra software
4. Can I capture still images from the WDR D&N Fixed Dome Network Camera?
Yes you can capture still images using the snapshot function.
This chapter provides solutions to problems that may occur during the installation and operation of the DCS-6111.
Read the following descriptions if you are having any problems.