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Tait TB9400 User Manual

Tait TB9400
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TB9400/TN9275 Installation and Operation Appendix E Testing with the TBA0STU Calibration Test Unit 145
© Tait International Limited May 2023
Checking Audio Out
1. Put the base station offline.
2. The reciter can generate a tone to the analog line output in the Audio
out section.
3. Set the frequency and level required and click Start to generate the
tone. This should be heard in the CTU speaker with the switch
f set
to Balanced.
Loopback Test
1. Put the base station offline.
2. Connect the audio generator set to -10dBm @ 1kHz (this is the
factory default line level) to the Line Input BNC connector of the
CTU
e.
3. Connect an audio level meter to the Line Output BNC connector of
the CTU
i.
4. Start the Loopback test. Audio will be looped within the reciter from
the audio generator to the audio level meter.
Checking Digital IO
On the WebUI, monitor the operation of digital IO at Monitor > Interfaces
> IO tab.
Checking Digital Programming Input Switches
There are 10 switches connected to digital I/Os (DIO) 3 to 12.
DIO3 is connected to switch 1 and DIO12 to switch 10.
By default, the base station digital inputs are active low, so moving the
switches to the down (0) position will activate the digital input. Setting the
digital input for active high will activate the digital input with the switch in
the up (1) position.
LEDs on the WebUI indicate the input and output states.

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Tait TB9400 Specifications

General IconGeneral
BrandTait
ModelTB9400
CategoryAccessories
LanguageEnglish

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