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George123

PTZ camera.

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Hi,

 

I'm fairly new to the world of PTZ camera control so apologies in advance if I've overlooked something obvious.

 

I was under the impression that PTZ cameras required 3 connections:

 

A power supply

A co-ax connection

A RS485 connection

 

There is a Sony PTZ camera already installed at my place of work which is fully functional. However it does not have a RS485 connection? It has a 24v AC power connection along with a Co-ax connection. How is this camera able to move? (The Co-ax cable is run straight from the DVR to the camera). It would appear the telemetry of the camera is somehow controlled via the co-ax cable? Is this the case?

 

Cheers

 

George

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Dunno about Sony, but HikVision has, as part of their HD-TVI implementation, incorporated PTZ over coax functionality.

Bascially, any HikVision HD DVR will be able to control a HikVision HD PTZ via coax.

 

Way cool, yes?

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