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54 AT commands
CTA 500
dm
On Line Guide P0873832 Issue 05
Serial Interface
This section describes the commands associated with the serial
interface. All values are saved as part of the CTA 500dm proÞle.
Serial Interface commands summary
Serial Interface Rate
The Serial Interface Rate Command
&P2=value
sets the rate of the interface between the CTA 500dm and the
attached computer. The permitted values are 0, 1,200, 2,400, 4,800,
9600, 19,200, 38,400, 57,600 and 115,200 (default) for
asynchronous operation. CTA 500dm uses autobauding when the
Value is 0, while the remaining values refer to the rate of
transmission.
Command Description Value
&P2=n serial interface rate 0 autobauding
1,200
2,400
4,800
9,600
19,200
38,400
57,600
115,200 (default)
&P3=n serial interface parity 0 none (default)
1 odd
2 even
&P4=n serial interface data
bits per character
7-8 (8 is default)
&P6=n serial interface stop
bits per character
0 one stop bit (default)
1 one and one-half stop bits
2 two stop bits