Perle SPEED4 LE HD Express 04003170 用户手册
产品代码
04003170
Host Card Back Panel Connectors and Pinouts
Page 37
DB25 Femaie Parallel Port Pinouts
The SPEED LE and SPEED LE Express parallel port pinouts are provided below for
cards that support the parallel port.
cards that support the parallel port.
DB25
Pin
Pin
Cent Pin
Direction
Signal
Name
Name
Function Notes
1
1
out
-Strobe
Set Low p1ulse >0.5 us to send
2
2
out
Data 0
Set to least significant data
3
3
out
Data 1
4
4
out
Data 2
5
5
out
Data 3
6
6
out
Data 4
7
7
out
Data 5
8
8
out
Data 6
9
9
out
Data 7
Set to most significant data
10
10
in
-Ack
IRQ; Low Pulse ~ 5 uS, after
accept
accept
11
11
in
+Busy
High for Busy/Offline/Error
12
12
in
+PaperEnd
High for out of paper
13
13
in
+SelectIn
High for printer selected
14
14
out
-AutoFd
Set Low to autofeed one line
15
32
in
-Error
Low for Error/Offline/PaperEnd
16
31
out
-Init
Set Low pulse > 50uS to init
17
36
out
-Select
Set Low to select printer
18-25
19-30,
33,17,16
33,17,16
----
Ground
Do not connect any of these
grounds to a shield
grounds to a shield