SC PCB
Signal Name
Pin No.
CN91-28
GND
CN91-29
GND
CN91-30
GND
CN91-31
nINIT
CN91-32
nFAULT
CN91-33
Not Used
CN91-34
Not Used
CN91-35
Not Used
CN91-36
nSELIN
Destination
CENTRONICS
I/F
CENTRONICS
I/F
CENTRONICS
I/F
CENTRONICS
+5V(H)
I/F
CENTRONICS
I/F
CENTRONICS
I/F
CENTRONICS
I/F
CENTRONICS
I/F
CENTRONICS
I/F
Signal Waveform
0V(L)
+5V
77
Function
Ground
0V
Ground
0V
Ground
0V
Reverse Request / Initialize
(Host→Peripheral)
Data Available / Error
Condition
(Peripheral→Host)
0V
Not Used
Not Used
Not Used
IEEE1284 Active
+5V
(Host→Peripheral)
0V