Epson EL 486UC Produktinformation Handbuch - Seite 6
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Connector Pin Assignments
Parallel Port Connector (CN3)
pin 13
Parallel port connector pin assignments
*Active low logic
Serial Port Connectors (CN4 and CN5)
Serial
assignments
port connector pin
Pin Signal
1
Data carrier detect
2
Receive data
3
Transmit data
4
Data terminal ready
5
Not used
Keyboard Connector (CON1)
pin 6
Keyboard connector pin assignments
Pin
Signal
1
Data
2
Resewed
3
Ground
Epson EL 486UC-6
Pin Signal
6
Data set ready
7
Request to send
8
Clear to send
9
Ring indicator
pin 5
Pin
Signal
4
+5 VDC
5
C l o c k
8
Reserved
VGA Port Connector (CN2)
VGA port connector pin assignments
Game Port Connector (CN1)
Game port connector pin assignments
DMA Assignments
Hardware Interrupts
8/15/93
pin 15
pin 9