WD-2030 XXXX customer display
10
4.1.3 RS232 connector to PCB (CN7)
Type: PH 2.0 mm/9P
Pin assignment
No
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
5V From PC/Host USB power 5 VDC