Active Camera Monitoring System
at a Corporate Headquarters
Building Automation
USA
Project Introduction:
A large US Corporation had trouble managing its endless hours of digital video from three dozen cameras
placed all throughout its facilities. They wanted to reduce the amount of video that was recorded to save
disk space, and cut down on the time needed to review the videos. Advantech’s UNO-3072L was found
to be a reliable, simple, and cost-effective platform that could improve the efficiency and performance of
their camera monitoring system.
System Requirements:
The old monitoring system was expensive and time-demanding to maintain, so the customer needed a
reliable, simple, and cost-effective system that would allow connection to a central server and two-to-three
cameras per location. Because of the demanding video signals, the transmission speed had to be fast,
and the hard disk capacity had to be large. It was also necessary that the system could run Linux, since
this was the standard operating system of the security system.
System Description:
UNO-3072L is connected to door keypads via its RS-232 ports, while its two PCI slots have PCI-bus
capture cards that are connected to cameras. The keypad door entry system was already in place, but
UNO-3072L connected the keypad with the cameras, so when the keypad was activated (which unlocks
and opens the doors), a camera would be activated. When the door closed and the keypad deactivated,
the door would relock (meaning the room was empty), and the cameras would turn off, stopping the video
recording. So the system now only makes recordings when people use the door keypads.
Video clips are first stored on the HDD in UNO-3072L, and then transferred through the Ethernet network
to a central server when required. The connection with the keypad has also enabled a new feature; each
video clip is automatically labeled with the time and employee number.
Project Implementation:
Conclusion:
Equipped with two PCI-bus slots, UNO-3072L fulfilled the speed requirements to capture the video signals, while its 2.5”
HDD extension offered large storage capacity for storing the video recordings. Designed in a fanless and compact chassis,
UNO-3072L became a reliable and easy-to-maintain system for the security system. Compared to the old monitoring system,
maintenance costs are drastically reduced. Besides, the complete system was at a price the customer was very pleased with.
The volume of video that is now stored is dramatically reduced. Only “action” is now captured, and hours of useless video clips
are a thing of the past. Security has also improved with the new labeling system for video clips. The security system knows who
entered what room - at what time.
System Diagram
UNO-3072L
Celeron M Embedded
Automation Computer with Two
PCI Slots
24 25
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