Epson PX-8 Technical Manual page 18

REV.-A
Table 1-14 CN9 (Bar Code Read Interface) Pin Assignments
Pin No. Signal name Definition
1 G Signal ground
2 +5 Circuit voltage
3 BRDT
Barcode reader data
Table 1-15 CN10 (Analog Input Interface) Pin Assignments
Pin No. Signal name
Definition
1 G Signal ground
2 ANIN Analog input
3
TRIG
Analog trigger input
Table 1-16 CN11 (External Speaker Interface) Pin Assignments
Pin No. Signal name
Definition
1 EXSPG Speaker ground
2 EXSP Speaker signal
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