September 29, 2015

Pan, Tilt, Zoom (PTZ) Cameras Explained

Since there are a lot of Pan Tilt Zoom (PTZ) Cameras available, I will explain in this article on how to best choose the correct PTZ for your Security Camera Installation. I will start by showing the different parts of a PTZ camera. 1. Parts of a PTZ camera (a) Housing – Usually composed of an […]
August 7, 2009

The Basics of RS485 and PTZ Control

Almost every DVR has the ability to control a multitude of devices using the RS485 protocol. RS485 uses 2 wires to send and receive data to and from these devices. All the devices in an RS485 “network” are connected in parallel with one another. This is a very simple form of communication and relies mainly […]