Appendix C: Parallel Interface - Oki OKIPOS 407 Guia Del Usuario

The two-way parallel interface is compatible with the IEEE1284 compatibility mode,
nibble mode and byte mode. Refer to the separate programmer's manual for details.
Table of Connection Signals for Each Mode
Pin No. Direction
1 In
2 In/Out
3 In/Out
4 In/Out
5 In/Out
6 In/Out
7 In/Out
8 In/Out
9 In/Out
10 Out
11 Out
12 Out
13 Out
14
15
16
17
18 OUT
19~30
31 In
32 Out
33
34
35
36 In
Parallel interface connector (printer side)

Appendix C: Parallel Interface

Compatibility Mode
Signal Name
nStrobe
Data0
Data1
Data2
Data3
Data4
Data5
Data6
Data7
nAck
Busy
PError
Select
—
—
Signal GND
Frame GND
+5V
Twisted Pair Return
nInit
nFault
External GND
—
—
nSelectIn
– 135 –
Nibble Mode
Signal Name
Host Clock
Data0
Data1
Data2
Data3
Data4
Data5
Data6
Data7
PtrClk
PtrBusy/Data3,7
AckDataReq/Data2,6
Xflag/Data1,5
HostBusy
—
Signal GND
Flame GND
+5V
Twisted Pair Return
nInit
nDataAvail/Data0,4
—
—
—
1284Active
This connector mates with an
Amphenol 57-30360 connector
Byte Mode
Sginal Name
Host Clock
Data0
Data1
Data2
Data3
Data4
Data5
Data6
Data7
PtrClk
PtrBusy
AckDataReq
Xflag
HostBusy
—
Signal GND
Flame GND
+5V
Twisted Pair Return
nInit
nDataAvail
—
—
—
1284Active