Denso BHT-904BB User Manual page 211

9.1.3 Interface Specifications
CU-901
The CU-901 RS-232C interface connector uses Dsub-9P.
Pin. No.
2
3
4
5
6
7
8
The CU-901 internal wiring is shown below.
− TIP −
Host computer,
modem, or
other devices
Signal
Pin No.
Name
RD 2
SD 3
ER 4
DR 6
RS 7
CS 8
SG 5
Signal Name
RD Receipt data
SD Transmission data
ER Data terminal ready
SG Signal ground
DR Data set ready
RS Transmission request
CS Transmission ready
RS-232C
Interface
Circuitry
Barcode Handy Terminal
Function
CU-901
IrDA Interface
IrDA
Communications
Interface Circuitry
Signal Direction
↔ External Device
←
→
→
―
―
―
―
BHT-900
195