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13. Standard Interfaces – Pin Assignments
VRack 4U – User's Guide (prelim. version V0.99)
13.1.6.
Parallel Port (LPT)
Pin Signal
Name
25-pin D-SUB Connector (female)
1 –STROBE
2 DATA0
3 DATA1
4 DATA2
5 DATA3
6 DATA4
7 DATA5
8 DATA6
9 DATA7
10 –ACKN
11 BUSY
12 PE
13 SELECT
14 –AUTOFD
15 –ERROR
16 –INIT
17 –SLCTIN
18–25 GND
13.1.7.
USB Port
Pin Signal
Name
4-pin USB Connector
Type A Version 2.0
1 VCC
2 Data-
3 Data+
4 GND
38
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