Major subassemblies, Connector pin assignments, Serial port connectors (j1 and j6) – Epson 4SLC-25 User Manual
Page 4: Parallel port connector (j2), Pointing device connector (j10), Vga port connector (j3)
EPSON ActionNote
Major Subassemblies
Serial Port Connectors (J1 and J6)
fax/modem
video
CPU chip
(optional)
controller
\
I
Dallas clock
numeric
coprocessor
3
1.44MB
diskette drive
power
supply
Connector Pin Assignments
Parallel Port Connector (J2)
Pointing Device Connector Pin Assignments
pin 13
pin 1
I
I
I
I
pin 25
pin 14
Parallel Port Connector Pin Assignments
Serial Port Connector Pin Assignments
Pin Signal
Pin Signal
I
1
Data carrier detect
2
Receive data
3
Transmit data
4
Data terminal ready
5
Signal GND
6
Data set ready
7
Request to send
8
Clear to send
9
Ring indicator
Pointing Device Connector (J10)
This connector supports simultaneous use of a pointing
device and an external keyboard when the mouse/keyboard
adapter is attached.
Pin
Signal
Pin
Signal
1
Keyboard Data
4
+5 VDC (fused)
2
Pointing device data
5
Clock, keyboard
Ground
6
Clock, pointing device
VGA Port Connector (J3)
pin 5
pin 10
pin 15
VGA Port Connector Pin Assignments
pin 1
pin 6
pin 11
Pin Signal
1
Red
2
Green
Pin Signal
6
Ground
7
Ground
Pin Signal
11
MS0
12
MS1
3
Blue
4
MS2
5
Ground
a
Ground
13
Horizontal sync
9
Unused
14
Vertical sync
10
Ground
15
Unused
ActionNote-
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