How to Control Analog Speed Dome by Pelco-D/P Protocol
The pigtails of analog speed dome (take speed dome for short in next contents) is shown in Figure 1-1, it includes three kinds of…
Connecting a ptz camera to a dvr device
HD PTZ cameras such as PTZ TVI, PTZ CVI, or PTZ AHD can be hooked up to a DVR and controlled directly via the…
Device repair with serial TTL RS232
The required software and tools:SecureCRT,TFTPServer, serial port cable (connect with computer), TTL converter ,cross serial cable(connect with device),direct serial cable(connect with device). Tools introduction:…
Dome problem Basic operation
1 Our network dome camera connects to our NVR, can the preset point be saved after the NVR is powered off ——Our network dome camera…
