Page. 46 of 87
Ultrabeam cable:
Note: WARNING, these types of antennas, sometimes need several seconds to adjust to
resonance..
Transmitting with high power while the antenna elements are still moving may cause
damage to the antenna and the linear.
To avoid this danger you can utilize some circuitry that inhibits the PTT during the
movement of the motors, such as “tuning relays” that are available from the antenna
manufacturers.
This solution is highly recommended!!!
Serial connection to a standard PC RS-232 port for remoting use
TX_232 / 7 2 / RX_PC
RX_232 / 8 3 / TX_PC
GND / 5 5 / GND
Note: WARNING, SPE is not responsible for any failure resulting from misuse of hardware
interfaces.
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