WD-2030 XXXX customer display
10
4.1.3 RS232 connector to PCB (CN7)
Type: PH 2.0 mm/9P
Pin assignment
No Signal Direction
Function description
1
NC
-
-
2
TXD From Display to Printer
Printer status data signal
3
RXD From PC/Host to Display Display/Printing data signal
4
CTS From Printer to Display
Printer ready signal
5
GND
-
Signal ground
6,8
RTS From Display to PC/Host Display/Printer ready signal
7
NC
-
-
9
Vin
-
Power 5VDC or 9 ~ 45 VDC
Table 4-4
4.2 USB specifications
Data transmission:
USB emulation RS232C
Synchronization:
Asynchronous
Handshaking:
DTR / DSR
Signal level:
0~+3V
Baud rates:
4800,9600,19200 or 115200 bps
Parity and bit length
None parity, 8 data bits or
Even parity, 7 data bits
Stop bits:
1 or more
Table 4-5
4.2.1 USB connector to PCB (CN2)
Type: WAFER PH 2.0mm 4P
Pin assignment
No Signal Direction
Function description
1
V+
5V From PC/Host
USB power 5 VDC
2
D-
Data signal -
3
D+
Data
4
GND
Signal ground
Table 4-6
