Optical Signaling Devices in the USA

Below we analyze the most interesting details, look inside the control room and admire the wires.


')


Before we begin, a few words about the global in a nutshell - in the early 90s the United States conducted a reform of the computerization of the entire transport system; by creating an ATC ( Advanced Transportation Controller ) standard, it includes a new hardware on the Linux operating system, a new API, and a new NTCIP puncture to fully standardize all devices. This is briefly about the standards, but below you can find out more about the components themselves.

Video camera with motion sensor
It is rather unpleasant to get a penalty of this type in an envelope:



As you can see, the video camera with a motion sensor did an excellent job with the task, leaving in memory the number of the vehicle and the driver's face. By the way, there are commercially available special lacquers for anti-camera numbers, but I think it’s better not to break.

Predictive sensor and display


This simple device allows you to give priority to emergency traffic, firefighters or medical procession using pulses of light, radio or other methods of transmitting information. There are also DYI-khaki abrazu this device using IR light, but it is dangerous and criminal, who should be found )

Now let's look inside the standard cabinet.



Switches can be:

Ordinary, “stupid” 2nd level Internet


or level 3 type RS416


In the end I want to note that in spite of the global modernization, most often ordinary cabinets look like this.






Have a nice day and weekend.