Cd5220 customer display – 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
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