Specifications

Epson EL 4S/33
Major Subassemblies
Serial Port Connectors (CN4 and CN5)
Connector Pin Assignments
Parallel Port Connector (CN3)
pin 13 pin 1
pin 25 pin 14
Parallel Port Connector Pin Assignments
‘Active low logic
Serial Port Connector Pin Assignments
Keyboard Connector (CON1)
pin6
pin 5
pin4-w- pin3
pin 2
pin 1
Keyboard Connector Pin Assignments
Pin Signal Pin Signal
1 Data 4 +5 VDC
2 Reserved 5 clock
3 Ground 6 Reserved
VGA Port Connector (CN2)
VGA Port Connector Pin Assignments
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Epson EL 4S/33-3