IDTECK Star RFK101 User Manual page 14

10-3. RS-232 output format
1. Data format (Baud rate: 9600bps)
LSB MSB
+15V
0 1 0 0 0 0 0 1 0
Space (=0)
+3V
Indeterminate
0V
Region
-3V
Mark (=1)
8 Data Bits
-15V
2 Stop Bits
Start Bit
Data packet corresponding to ASCII character 'A'
2. Data structure
START(0X02H) DATA (8 Char) END (0x03H) LRC (CARD output)
START(0X02H) DATA (1- 8 Char) END (0x03H) LRC (Keypad output)
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