Epson CD5220 User Manual page 10

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
1 FG
2 TXD
3 RXD
4 DSR
5 GND
6 DTR
7 CTS
8 RTS
(c) RS232C interface to printer cable,
printer side connector pin assignment
Connector type : D-sub 25 pin (Male)
No Signal
2 RXD From printer to PC/Host Printer status data
3 TXD From display to printer
4 CTS
5 RTS
6 DTR From PC/Host to printer PC/Host ready signal
7 GND
20 DSR From printer to display
direction
-
From printer to PC/Host
From PC/Host to display
From PC/Host to printer
-
From display to PC/Host Display/printer ready signal
From PC/Host to printer
From display to PC/Host Display/printer ready signal
Table 4-3
direction
From printer to display
From PC/Host to printer PC/Host ready signal
-
Table 4-4
Function description
Frame ground
Printer status data
Receive data
PC/Host ready signal
Signal ground
PC/Host ready signal
Function description
Transmit data
Printer ready signal
Signal ground
Printer ready signal