Parallel Interface (IEEE-1284)
A-8
Drawer Connector
Pin No. Signal name Direction
1
Frame ground -
2
Drawer kick-out drive signal 1 Output
3
Drawer open/close signal Input
4
+24V -
5
Drawer kick-out drive signal 2 Output
6
Signal ground -
A-9
Pin
No.
Source
Compatibility
mode
Nibble Mode Byte Mode
1 Host nStrobe HostClk HostClk
2
Host
/
Printer
Data 0 (LSB) - Data 0(LSB)
3
Host
/
Printer
Data 1 - Data 1
4
Host
/
Printer
Data 2 - Data 2
5
Host
/
Printer
Data 3 - Data 3
6
Host
/
Printer
Data 4 - Data 4
7
Host
/
Printer
Data 5 - Data 5
8
Host
/
Printer
Data 6 - Data 6
9
Host
/
Printer
Data 7 (MSB) - Data 7 (MSB)
10
Pr
i
nter
nAck PtrClk PtrClk
11
Pr
i
nter
Busy PtrBusy /Data3,7
PtrBusy
12
Pr
i
nter
Perror
AckDataReq/
Data2,6
AckDataReq
13
Pr
i
nter
Select Xflag /Data1,5 Xflag
14
H
o
st
nAutoFd HostBusy HostBusy
15 NC NC NC
16 GND GND GND
17 FG FG FG
18
Pr
i
nter
Logic-H Logic-H Logic-H
19~30 GND GND GND
31
H
o
st
nInit nInit nInit
32
Pr
i
nter
nFault
nDataAvail/
Data0,4
nDataAvail
33 GND ND ND
34
Pr
i
nter
DK_Status ND ND
35
Pr
i
nter
+ 5V ND ND
36
H
o
st
nSelectIn 1284-Active 1284-Active