Checking The Installation; Other Installation Options - Tait TM81 Serie Guía Del Usario

Pin Signal
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Checking the installation

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2
Caution:
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Other installation options

Contact your radio provider for further information.
RX_AUD
TXD
MIC_AUD
RXD
ON_OFF
+13V8_BATT unswitched 13.8V power supply
PTT
AGND
DGND
Insert the fuses into the power leads.
Switch on the radio to confirm that it is operational.
Do not transmit yet.
Connect an in-line power meter between the radio and
the antenna.
Transmit and measure the forward and reflected
power levels.
Less than 4% of the forward power should be reflected. If
this is not achieved, check the installation, including the
antenna length.
Radios with a user interface only:
Once the reflected power levels are within tolerance,
make a call to another party on the radio (see
call" on page 17).
Description
receive audio output (after volume
control)
asynchronous serial port: transmit data
microphone audio input
asynchronous serial port: receive data
hardware power on/software power off
PTT input from microphone, with
hookswitch signal
analogue ground
digital ground
"Making a
Radio installation 39