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si_kungs

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Posts posted by si_kungs


  1. for the ordinary dvr, to view the camera on site will not be a problem since you can all set them to D1 resolution. correct me if i am wrong. the difference only of high end and low end today is the web transmitting format. is this correct?

     

    for the camera what resolution do i need to choose ? we are using ntsc here. is it 525?


  2. I am looking at a night club that is doing some renovations, I was asked to do a little networking help, and some CCTV maintenance, and upgrades.

     

    1. Add a wireless access point for the DJ booth. Through this access point there should be no access to the bars POS stations.

     

    2. Add a wireless access point for the office. Same as above.

     

    3. Add a backup dial up to the ATT DSL for the POS stations. ( I did not even know they had dialup as a backup anymore)!

     

    i think for number 1 you can just use a router as access point. the cat5e from the switch will be connected to the WAN port of the router. by using this connection i think the DJ won't be able to penetrate the POS since they will be on a different network.

     

    for #2. you can use access point or a router. if you are going to use a router . set the wireless security first on the router. then disable the dhcp function. you connect the network cable from the host router to the LAN port of the router. then the computer using the wireless will be on the same network.

     

    for #3 i'm not familiar with it


  3. please check the time recording table of the DVR. if you don't have it, you can have an actual test. connect one camera to the dvr and select you desired setting. record for at least 2 mins and note down the quality setting and fps setting, from there you can estimate the space the will be occupied by the video for a certain setting.

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