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Harris Multi-System Controller
The MSC extends a transmitter's redundancy and power range by enhancing the functionality and control of two or more transmitters. It is configurable across applications such as main/alternate, N+1 and dual transmitters. In the main/alternate role, the MSC monitors the main transmitter while keeping the +1 reserve in hot standby. As a dual-transmitter system controller, the MSC allows for increased power capability and reliability through redundancy, by parallel combining of two or more transmitters. Monitor via front panel pushbutton controls with an alpha-numeric display, or remotely via Web browser or optional parallel I/O. In N+1 applications, the MSC monitors and controls each main transmitter. Upon detection of low RF output exceeding the userÆs configurable time delay, the device automatically sets the frequency of the reserve, or "+1" transmitter, to that of the failed main transmitter, routes the correct audio to the reserve, then changes the configuration of the RF switching system to place the reserve transmitter on air, and turns it on. The failed main transmitteræs RF output is simultaneously routed to the dummy load where it may be tested and repaired without further broadcast interruptions. The MSC is built into a transmitter.
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