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Joined: Jan 2006
Posts: 356
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OP
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Joined: Jan 2006
Posts: 356 |
My customer has an extensive security camera system and they are under scrutiny of US Customs so everything has to be in order.We are updating his 30 camera system with 2 new 16 channel DVRs and two new 1280X1024 LCD monitors. I managed to get his old Kalatel KTD-301 PTZ controller to work and we discovered we had at least 6 PTZ cameras which hadn't been used in ages. The Kalatel is completely independent of the DVR system and works fine. The new DVRs have an RS-485 two wire interface so I want to have the additional capability of using the DVR to do PTZ. I think I only need to tie in a pair of wires from the DVR to the two-wire interface of the existing cameras. Is that a safe bet? There are only 4 wires that run the controller, 2 are for power, and I guess the other two are used for RS-485?
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