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Technical tips | Nov 9
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The SmartPTT-based online management communication system at mining companies provides robust wireless communication for subscribers with each other and the dispatcher. Thanks to this, steady and efficient cooperation between subdivisions and groups of users can be achieved in quarry working conditions.
The SmartPTT-based system is a means of communicating with and coordinating teams in such specific conditions of the mining industry as:
Benefits for the dispatcher:
Benefits for the workers:
Benefits for the managers:
A typical solution for the organisation of a dispatcher radio communications system is shown in the drawing below. This solution uses MOTOTRBO digital radio communications equipment and SmartPTT software as an add-in to perform the functions of scheduling, recording conversations and flexible call and channel switching.
This solution involves the installation of MOTOTRBO repeaters in the immediate vicinity of the quarries. One or more repeaters can be set up for each quarry, depending on the number of channels required.
Because of the closeness of the repeater to the quarry, the radio coverage area includes both the actual area of the quarry, right down to the lowest levels, and the surrounding area, the size of which depends on the terrain and the height of the repeater’s antenna suspension. Thus personnel working in the quarry obtain a stable link with one another and the quarry dispatcher and, if necessary, with auxiliary equipment workers or the workers of other quarries.
By activating the call switching option between repeaters for certain users, quarry foremen will be able to stay in touch with the personnel of their own quarry and even those of other quarries within the repeaters’ range.
Quarry repeaters are connected to the SmartPTT server on available data transmission channels. The server carries out the following functions:
In situations where it is impossible to connect the repeater set up at a remote quarry (repeater 4 in the drawing) to the system via IP channels, an option is used with communication via MOTOTRBO control stations connected to the SmartPTT server. At the same time voice information and data are only transmitted on the radio channel.
SmartPTT dispatch consoles interact with system subscribers via the SmartPTT server. Thanks to the flexible mechanism of multi-channel processing and output of sounds from different sources (channels, subscribers, groups) each console can replace a pool of subscriber radio stations which would have required a dispatcher for the efficient management of several quarries or groups of users.