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©Miri Technologies - www.miri.com.au - Telephone: (+61 8) 9409 8998, Fax: (+61 8) 9409 9229
30 Buckingham Drive. Wangara, WA 6065 Australia
3. Technical Information
Overall Arrangement
LED Indicators
The pwr LED should be on at all times when the unit is powered up.
The run LED should flash at 2Hz when the unit is in RUN mode and 4Hz in PROG
mode.
A fault means that the module has received a bad reply to a message.
The tx and rx LEDs reflect the PTT and CD status of the internal radio.
The tx and rx LEDs for each port indicate that a valid system message has been
sent or received on that port. A link indication means that the slave time-out
period for that port has lapsed or the programmed number of retries have failed
and communications have been lost.
The first four LEDs indicate that the physical outputs are active.
The second four LEDs are programmable status indications.
These LEDs indicate that a particular input is active.
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