Denso BHT-8000 - 3 ] Interface Specifications

Appendices
183
[ 3 ] Interface Specifications
CU-8001/8002
RS-232C Interface Port (Dsub-9P) on the CU-8001/8002
Pin No. Signal Functions
Signal Input/Output
CU-8001/8002 External device
2 RD Receive data ←
3 SD Send data →
4 ER Data terminal equipment ready →
5 SG Signal ground —
6 DR Data set ready —
7 RS Request to send —
8 CS Ready to send —
Shown below is a diagram of the internal connection in the CU-8001/8002.
CU-8001/8002