12
Table 2 shows the different modes and how they are entered.
If the transcoder has been previously set up, through creating an address
and learning users, then the saved settings are applied and the transcoder
enters the appropriate mode based on the state of the ENC_SEL line.
The transcoder then sets the baud rate according to the state of the SEL_
BAUD line and goes to sleep until an action on one of its inputs places it
into another mode.
In summary, there are two key points in the initial operation of the
transcoders:
Prior to Create Mode, all of the status lines will be either inputs
or outputs depending on the state of the ENC_SEL line when the
transcoder is powered on
Prior to Learn Mode, any valid MS or MT style packet will activate the
status line outputs
From left to right on page 14:
Figure 9: MT Series Mode Definitions
Figure 10: MT Series Transcoder Restore Default Serial Interface Engine Command
Figure 11: MT Series Transcoder Serial Interface Engine Timings (mS)
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