RF FAQ

What is the expected RF power output of the STX HP 10kW with a failed PA(s) or PS(s)?
•PA Modules –4 operational = 11 kW (Normal Operation) –3 operational = 7.5 kW –2 operational = 5 kW –Less than 2 = no output power   •Power Supplies ...
Tue, 8 Oct, 2019 at 11:44 AM
What is the power consumption of my FXi 60 and FXi 250 Exciters in FM only mode?
FXi 60 = 350 watts, FXi 250 = 850 watts.
Tue, 8 Oct, 2019 at 12:51 PM
What is the typical power consumption of my ASi 10, FSi 10, or XPi 10?
The ASi 10, FSi 10, and the XPi 10 all draw basically the same amount of current; therefore for planning purposes you can use 165 Watts as an adequate basel...
Tue, 8 Oct, 2019 at 12:53 PM
What ports should be opened to allow web page and/or remote GUI connection to the STX?
The standard internal web page uses port 80.   Two ports need to be opened for the RGUI to properly function: TCP: 0xBE00 (48640) UDP: 0xBE01 (48641)
Tue, 8 Oct, 2019 at 12:55 PM
What's wrong if all the lights on my FM-T or FMi-T TX controller are extinguished?
The most probable cause is loss of the controller power supply P/N 540-0006. This can be verified by opening the door to the control board and checking to s...
Tue, 8 Oct, 2019 at 12:57 PM
When installing a NON-BE Exciter in my “C” series transmitter, there is no TX output. What is wrong?
The AFC signal is not closed. On the J22 connector you need to tie together Wire #52 (AFC) to Wire #53 (Ground).
Tue, 8 Oct, 2019 at 12:59 PM
When using the standard IP interface for my STX, why do I get a "Not Ready to Send" error?
You must allow all fields in the transmitter status page to be fully complete before entering Login Password for Transmitter Control Page. Also, ensure you ...
Tue, 8 Oct, 2019 at 1:01 PM
Why are all the lights extinguished on the front of my AM TXs ECU unit?
Assuming that the TX has main AC applied, the most likely cause is the low Voltage power supply has failed in the ECU. The most common failure of the supply...
Tue, 8 Oct, 2019 at 10:19 AM
Why can't I increase the output power of my STX? By the way the PAV is remaining at 17 Volts.
Try reseating the +48 Volt main PS.  Next, check J2-5 on the +48 Volt PS.  If there is no control Voltage there, remove the main AC input to the STX Transmi...
Tue, 8 Oct, 2019 at 1:03 PM
Why can’t I raise power on my “C” series TX while having a Power Supply and/or PA Module fault?
Make sure jumper J719 is NOT installed on the Controller board; this jumper disables/inhibits the power raise/lower command when the Tx is reading a fault s...
Tue, 8 Oct, 2019 at 1:06 PM