Archive for January, 2010

How do you connect multiple PTZ cameras?

Saturday, January 30th, 2010

connecting multiple ptz security cameras








If you were ever wondering how to properly connect multiple PTZ cameras together, so have we! We have much experience in the electronic field, but there seems to always be a better way of doing something. Sometimes we even have to sit back and learn. We have been fiddling around with PTZ cameras this month and we came across this topic. We have seen and read on the Internet that the best way to network PTZ cameras is to daisy chain the PTZ cameras together and then run one CAT5 pair to your RS485 input on your security dvr or PTZ controller. However, as you can see this diagram above indicates that the best way to really control multiple PTZ cameras is by a RS485 distributor (receiver). Our team initially said that we need a device to recieve all the PTZ cameras and use a switch, operated by the user, to highlight which camera they want to control. Aside from all the RS485 inputs you would have to setup, this is really the best and most organized way to get multiple PTZ cameras to work.


Understanding PTZ Camera DIP Switches

Friday, January 29th, 2010

a closer look at a ptz cameras module














Today we are taking a closer look at the the internals of a PTZ camera’s brain to indicate what dip switches are and what they do for a PTZ camera. So if you have not noticed there are two blocks of dip switches, both which set addresses for your PTZ camera to work properly. Most end-users that purchase these cameras are unaware that you have to set these baud rates first in order to properly gear the camera to communicate and work with your security dvr. We certainly hope this image gives you a better perspective about how to set each switch to an “on” or “off” position to achieve the right setting. Most security dvrs today use the Pelco-D protocol. So when you get your PTZ camera in, you need to make sure that you carefully take the dome casing off the PTZ camera and examine these DIP switch settings in order to confirm that your camera has both address matched up with that of your PTZ controller or security dvr.


   
 
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