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Developer’s Guide: English 65
5.3 Communication Interface Specifications
5.3.1 Parallel Interface (OKI/OEM Standard Type)
1 Interface Spec (Between centronics connector and host PC)
Parallel interface signal part (IEEE-1284 parallel equivalent)
Centronics Connector Pin Assignment signal
A25012.doc
Pin No. Signal Name Direction Function
1 nStrobe From host PC Data Strobe
2-9 DATA bit 1~8 From host PC Data from host PC
10 nAck To host PC Receive completion
11 Busy To host PC Data receiving impossible
OEM Standard Type: Error12 PError To host PC
OKI Standard Type: Paper End
13 Select To host PC Online
14 nAutoFd From host PC 1284 mode move request
15 NC - Not connected
16,19-
30, 33
GND - Signal ground
17 FG - Frame ground
18,35 +5V To host PC +5VDC power supply (Max 400mA)
31 nInit From host PC Initialization
32 nFault To host PC Error
OEM Standard Type: Not used34 DK_STATUS To host PC
OKI Standard Type: Cash Drawer status signal
36 nSelectln From host PC 1284 mode move request
Note: Pin arrangement
OP425_05.eps
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