Vivotek VS2402 Specifications Page 72

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Q How can I use a name instead of the IP address to connect Video Server?
A To allow users to connect to Video Server through an easily memorized name, the
administrators must first configure the name server in his network. Here is an example:
the administrator installs the Video Server with a reserved IP address and assigns it with
a name in the domain name service, then users can connect to Video Server by typing a
name instead of IP address. If there is DHCP service in the network, the IP address must
be excluded in the DHCP service to prevent from IP conflict.
Q What is the plug-in for?
A The plug-in provided by Video Server is used to display motion pictures on Internet
Explorer that does not support server push technology. If your system does not allow
installation of any plug-in software, the security level of web browser may need to be
lowered. It is recommended that you consult your network supervisor in your office
regarding the adjustment of the security level.
Q Why is the timestamp different from the system time of my PC or notebook?
A The timestamp is based on the system time of Video Server. It is maintained by a
real-time clock inside and automatically synchronizes with the time server if Video
Server is connected to the Internet and the function is enabled. Differences of several
hours may result from the time zone setting.
Q Why does the image not refresh regularly?
A In a modem environment, it is because the bandwidth of PPP connection is far less
than Ethernet. If the difference of the timestamp is not stable, adjust the UART FIFO
lower in both receiving and transmitting from modem property in the control panel.
While in Ethernet, it may be due to time taken in storing snapshots into memory upon
events occurring.
Q How many users are allowed to watch Video Server at the same time?
A To achieve the best effect, Video Server will allow twenty users to connect at the same
time. Excess users can get an auto-refreshed still image in homepage instead. It is
recommended to build another web server to host a large quantity of users by retrieving
images from Video Server periodically.
Q How fast is the video rate of Video Server?
A The JPEG codec can process 30 frames per second internally. However the total
performance is subject to many coefficients as follows,
1. network throughput,
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