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SetUp Command 5-6
Command: $1RR
Response: *
Up to this point all communications have been sent at 300 baud. The module
will not respond to any further communications at 300 baud because it is now
running at 9600 baud. At this point the host computer or terminal must be set
to 9600 baud to continue operation.
If the module does not respond to the new baud rate, most likely the setup
data is incorrect. Try various baud rates from the host until the module
responds. The last resort is to set the module to Default Mode where the
baud rate is always 300.
Setting a string of RS-232C modules to a new baud rate requires special
consideration. Refer to Chapter 3 for instructions.
Bit 4
Bit 4 of byte 2 is not used and should be set to ‘0’.
Table 5.2 Byte 2: Linefeed, Parity and Baud Rate.
BYTE 2
FUNCTION DATA BIT
7654 3210
LINEFEED 1
NO LINEFEED 0
NO PARITY 0 0
NO PARITY 1 0
EVEN PARITY 0 1
ODD PARITY 1 1
NOT USED X
57600 BAUD 1001
115200 BAUD 1000
38400 BAUD 0000
19200 BAUD 0001
9600 BAUD 0010
4800 BAUD 0011
2400 BAUD 0100
1200 BAUD 0101
600 BAUD 0110
300 BAUD 0111