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build a nother web se rver to host a large qua ntity of use rs by retriev ing conten ts from
Network Ca mera per io dically.
Q How fast is the video rate of Network C amera?
A The MPEG4 codec engine can process 30 frames per second internally. However the
total pe rfor mance is sub ject to many c oeff icients as fo llows:
1. Network throughput,
2. Bandwidth share,
3. Number of users,
4. The complicated objects and movement in view,
5. The level o f y our PC o r notebook whic h is responsible f o r displaying ima ges.
In gener al, the tr a nsfer rate i n a genera l local netw ork enviro nment can achieve ove r
200 kilobytes per second and approximately 10 to 20 pictures of a normal environment
per second.
Q How can I keep Network Camera as private as possible?
A Network Camera is designed for surveillance purposes and has many flexible
interf ace s. T he use r auth en tica tio n and spe cia l co nfirm ati on in ins tall ati on can kee p
Network Camera from unauthorized access. You may also change the HTTP port to
non-public number. The demo account is good to separate guests from normal users
and thus you can easily block guests anytim e. You can check the syst em log to e xamine
any abnormal activities and trace the origins.
Q Wh y can I not a ccess Netw ork Came ra when I s etup some o ptions in the appl ication?
A Since Network Camera is a "network camera", any incorrect network settings will
make it unreachable. Once the system is missed due to wrong configuration, restore
the factory default settings following procedures in Appendix A.