Symmetricom ET6000, User Manual

Page: 84 / 206

I/O PORT DATA INPUT/OUTPUT
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The user inputs $> (HEX 24/HEX 3E) followed by either a 0 or a 1.
The “0” is for the standard format.
The “1” is for the one second burst format.
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The unit responds with OK CR/LF.
4.41 PRINTER – SELECT OUTPUT RATE
This command allows the user to specify the interval rate at which the data is output. It can be
any time from three (3) seconds to 9999 seconds. (Leading zeros are required). It is applicable
only to the Standard RS232 Printer Output.
•
User inputs $g (HEX 24/HEX 67) followed by four (4) digits corresponding to the number of
seconds.
Example : $g0005
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The unit responds with OK CR/LF (carriage return/line feed).
Example : $g0005
The above example illustrates selecting an output interval rate of five seconds.
4.42
PRINTER – REQUEST OUTPUT RATE
This command allows the user to determine what is the current output rate. It is applicable only
to the Standard RS232 Printer Output.
•
User inputs $h(HEX 24/HEX 68).
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The unit responds with four (4) digits followed by CR/LF. These four digits correspond to
the output interval rate in seconds.
4.43 PRINTER – ENABLE/DISABLE & DATA SELECT
This command is applicable only to the Standard RS232 Printer Output.
•
User inputs $n (HEX 24/HEX 6E) followed by three (3) digits.
Symmetricom Inc ET6xxx ExacTime GPS TC & FG (Rev C) 4-21