Epson CD5220 manual Serial port interface for circular base

CD5220 customer display

4.1.3 Serial port interface for circular base

(a)Power connector of Power cable Connector type : DC jack (5.5/2.1 )

(b)RS232C interface to PC/HOST cable, PC/HOST side connector pin assignment Connector type : D-sub 9 pin (Female)

No	Signal	direction	Function description
1	FG	-	Frame ground
2	TXD	From printer to PC/Host	Printer status data
3	RXD	From PC/Host to display	Receive data
4	DSR	From PC/Host to printer	PC/Host ready signal
5	GND	-	Signal ground
6	DTR	From display to PC/Host	Display/printer ready signal
7	CTS	From PC/Host to printer	PC/Host ready signal
8	RTS	From display to PC/Host	Display/printer ready signal

Table 4-3

(c)RS232C interface to printer cable, printer side connector pin assignment Connector type : D-sub 25 pin (Male)

No	Signal	direction	Function description
2	RXD	From printer to PC/Host	Printer status data
3	TXD	From display to printer	Transmit data
4	CTS	From printer to display	Printer ready signal
5	RTS	From PC/Host to printer	PC/Host ready signal
6	DTR	From PC/Host to printer	PC/Host ready signal
7	GND	-	Signal ground
20	DSR	From printer to display	Printer ready signal

Table 4-4