Hi-Z Antennas Shack Switch-2 Manual - Página 5

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Hi-Z Receiving Array Shack Switch Using an OLED Display

processor and the cables to the Hi-Z array that extends into the antenna field for

electrical event protection. Induced currents in the control lines are kept from the actual

switching circuitry through that optical isolation.

The use of 2 supply voltages is for a very good reason. The switching output is

optically coupled from the processor. This protects the digital circuitry from some

lightning static and induced currents. It also keeps any processor noise from feeding

back into the sensitive Hi-Z array being controlled.

3. Connecting the Wires

The rear connector is labeled so that you can easily connect the 12 Volt supply and

ground as well as the necessary and the CTRL lines needed by the array. The

controller's connector is numbered exactly as the Hi-Z array CTRL lines are numbered

so they can easily be transferred from a shack switch retrofit or new array install.

Consult the Hi-Z array manual for CTRL wiring. Terminal 6 is for the Auxiliary switch

turned on and off via the menu.

Hi-Z Antennas Shack Switch 2 Rev.1 10-13-2019