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Verify the operation
of the RF Sensor
22
Because the Keysight RF Sensor has no external switches, lights, or other
indicators, there are two methods to ensure that the sensor is correctly
completing the power-up sequence. These two methods, the Power-on self-
test and the Sensor Management Tool are described below.
Power-On Self-Test
When power is applied to the Keysight RF Sensor, it performs a quick test of
some of the major functions. When powering on the RF Sensor the following
beep sequence will be heard when the sensor is in single channel mode:
1 short beep after approximately 1 minute
3 short beeps after another 20 seconds (1 minute, 20 seconds)
4 short beeps after another 5 seconds (1 minute, 25 seconds)
The test of major functions includes:
PCI test—If the sensor fails this test, it emits one long beep.
Capture SDRAM test—This test performs a quick write/read test of the
sensor's capture SDRAM. If the sensor fails this test, it emits two long
beeps.
LO Unlock test—This test verifies that all the LO oscillators can sweep
through their tuning ranges without unlock. If the sensor fails this test, the
sensor emits four long beeps.
Verify Operation Using the SMT
The SMT was designed to manage and control a network of distributed
Keysight RF Sensors, and so it provides the best verification that a sensor is
operating. For more complete information on using the RF Sensor Software,
refer to the manual RF Sensor Software User Guide.
This method of connecting to the RF sensor requires either an Ethernet
crossover cable, hub or switch.
1.
Using an Ethernet cable, connect the sensor directly to the workstation or
laptop on which the RF Sensor software is installed.
Or, connect to the sensor to the workstation or laptop using an Ethernet
hub or switch.
2.
Start the copy of SMT.
3.
If necessary, set the SMS preferences to "localhost."
Note: While connected to an RF Sensor directly, it is not possible to launch
Surveyor or block tools.
4.
Click on the "Configuration" icon.
5.
Select the "Discover Sensors" tab on the right-hand side of the window.
6.
At the bottom of the window, click the "Find Available Sensors" button.
7.
The sensor information, including its IP address, is displayed in the
Discovered Sensor list.
N6841A RF Sensor Installation Guide
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