ashtech DG14, Reference Manual

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Receiver Commands 105
Receiver Commands
DSY: Daisy Chain Communications Mode
$PASHS,DSY,c1,c2;
This command redirects all characters from one serial port to the other without
interpreting them, where c1 is the source port and c2 is the destination port. Any
combination may be chosen. When daisy chain mode is in effect, the source port
can only interpret the OFF command; all other characters are redirected.
$PASHS,DSY,OFF
The OFF command disables daisy chain mode. A bi-directional daisy chain mode
(i.e. A to B and B to A at the same time) can also be enabled.
Table 6.14 lists several daisy chain commands and their effects.
fi1 Pseudo-range correction in meters (loops
d7 times) 3 bytes, inc/-
fi2 Range rate correction in centimeters per
second (loops d7 times) 3 bytes, inc/-
hh Checksum 2 character, hexidecimal
Table 6.14. Daisy Chain Commands
Command Effect
$PASHS,DSY,A,B Redirects data going into port A over to port B. Can be issued
to either port
$PASHS,DSY,B,A Redirects data going into port B over to port A. Can be issued
to either port
$PASHS,DSY,A,OFF Turns off redirection from A. Can be issued to either port
$PASHS,DSY,B,OFF Turns off redirection from B. Can be issued to either port
$PASHS,DSY,A,B
$PASHS,DSY,B,A Both commands must be entered to enable bi-directional daisy
chain mode. If you are connecting to the DG16 through port A,
enter $PASHS,DSY,B,A first. If you are interfacing to the DG16
through port B, enter $PASHS,DSY,A,B first
$PASHS,DSY,OFF Disables daisy chain on all ports. Can be issued from any port
DEFAULT SETTING
DSY—OFF
Table 6.13. $PASHR,DFO Structure (Continued)
Parameter Description Range