Chapter 5
I/O Information
VXIpc 770/870B Series User Manual
5-8
ni.com
Universal Serial Bus
Figure 5-5 shows the location and pinouts for the Universal Serial Bus
(USB) connectors on the VXIpc 770/870B series. Table 5-6 lists and
describes the USB connector signals.
AMP manufactures a USB mating connector, part number 787633.
10
PD4
Data Bit 4
DSKCHG*
Disk Change
11
PD5
Data Bit 5
Not Used
—
12
PD6
Data Bit 6
MTR0*
Motor on Disk 0
13
PD7
Data Bit 7
Not Used
—
14
INIT*
Initialize Printer
DIR*
Step Direction
15
STROBE*
Strobe
DS0*
Drive Select 0
16
SLCTIN*
Select Input
STEP*
Step Pulse
17
AUTOFD*
Auto Line Feed
DRVDEN0*
Density Select
18
+5V
+5 V
+5V
+5 V
19-35
GND
Ground
GND
Ground
36
NC
Not Connected
NC
Not Connected
Table 5-5.
Parallel Port Connector Signals (Continued)
Pin
Default Configuration (LPT)
Floppy Configuration
(Refer to
in
Signal Name
Signal Description
Signal Name
Signal Description
