5-2 Bias Tee Verification, Option 10 Option Verification
5-4 PN: 10580-00255 Rev. J MT8212E and MT8213E MM
Fault Verification
The tests in this section verify the Bias Tee Option 10 fault condition of the MT821xE in Cable and Antenna
Analyzer mode.
Equipment Required
• Anritsu 40-187-R External Power Supply
• Anritsu T2904 40 ohm Load
Procedure
1. Connect the external power supply (Anritsu PN 40-187-R) to the MT821xE Cell Master.
2. Press the On/Off key to turn On the MT821xE.
3. Set the MT821xE to Cable and Antenna Analyzer mode and preset the instrument.
4. Press the Shift key, and then the System (8) key, and then press the Applications Options submenu key.
Fault Test
5. Press the Bias Tee submenu key and confirm that the Current submenu key is set to Low.
6. Press the Bias Tee Voltage submenu key and enter 32 V.
7. Connect the Anritsu T2904 40 ohm load to the RF In port.
8. Press the Bias Tee On/Off submenu key to turn On the Bias Tee.
9. Verify that the instrument indicates a “Bias-T Fault Condition” and makes a clicking sound, and that
the Bias Tee current reading that is displayed on the left side of the screen is 0mA.
10. Press the Bias Tee On/Off submenu key to turn Off the Bias Tee.
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