Interface Specifications; 1 ] Interface Connector And Pin Assignment - Denso BHT-300B User Manual

5.7 Interface Specifications

[ 1 ] Interface Connector and Pin Assignment

CU-301
The CU-301 has an RS-232C interface port (Dsub-9P).
Pin No. Signal
2 RD
3 SD
4 ER
5 SG
6 DR
7 RS
8 CS
The input/output voltage threshold for the logical valued signal is listed below.
Logical Value
0
1
CU-321
The CU-321 has a Full-Speed USB 1.1-capable port (Series "B" receptacle).
RS-232C Interface Port (Dsub-9P) on the CU-301
Functions
Receive data
Send data
Data terminal equipment ready
Signal ground
Data set ready
Request to send
Ready to send
Input Voltage Threshold
3V ≤ n ≤ 15V
-15V ≤ n ≤ -3V
152
Signal Input/Output
CU-301 External device
←
→
→
—
—
—
—
Output Voltage Threshold
5V min.
-5V max.