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Appendices
[ 3 ] Interface Specifications
Optical Interface
Synchronization: Start-stop
Input signals: RD
Output signals: SD
Transmission speed: 115200 bps max.
Direct-connect Interface
Synchronization: Start-stop
Transmission speed: 38400 bps max.
Signal level: Conforms to the RS-232C interface
Pin assignment: As shown below.
SD RD
GND
Signal Input/Output
External
device
BHT-6000
1 SG (GND) Ground for signals —
2SDSend data →
3RDReceive data ←
Pin No. Signal Functions