Denso BHT-904B - Page 191

177
Barcode Handy Terminal
9.1.3 Interface Specifications
CU-901
The CU-901 RS-232C inte
r
face connector uses Dsub-9P.
Signal Direction
Pin. No. Signal Name Function
CU-901 ↔ External Device
2
3
4
5
6
7
8
RD
SD
ER
SG
DR
RS
CS
Receipt data
Transmission data
Data terminal ready
Signal ground
Data set ready
Transmission request
Transmission ready
←
→
→
―
―
―
―
 TIP  The CU-901 internal wiring is shown below.
Host computer,
modem, or
other devices
Signal
Name
2
3 SD
RD
Pin No. IrDA Interface
RS-232
C
Interface
Circuitry
IrDA
Communications
Interface Circuitry
BHT-
900
4
6
ER
DR
7 RS
8 CS
5 SG