Chapter 5
I/O Information
©
National Instruments Corporation
5-15
VXIpc 770/870B Series User Manual
Front Panel Features
The VXIpc 770/870B series has the following front-panel features:
•
A system reset pushbutton (hold the button for at least 2 seconds to
generate a reset to the controller)
•
Eight front-panel LEDs that show PC status:
–
The
PWR
LED indicates that the power is on and reset is no
longer asserted.
–
The
IDE
LED indicates when an access to the internal hard disk
is occurring.
–
The
SCSI
LED indicates activity on the SCSI bus (870B series
only).
–
The
100
LED indicates the controller is connected to a 100 base T
Ethernet.
–
The
FAILED
LED indicates the VXI interface failed power on
diagnostics.
–
The
SYSF
LED indicates that SYSFAIL has been asserted on the
VXI backplane.
–
The
ONLINE
LED indicates the Resource Manager has run and
the controller is ready for VXI accesses.
–
The
ACC
LED indicates VXI bus activity to or from the
VXIpc 770/870B Series controller.
–
The
RSVD
LED (VXIpc 770 Series only) is reserved for
future use.
12
+DB(6)
29
+REQ
46
–DB(6)
63
–REQ
13
+DB(7)
30
+I/O
47
–DB(7)
64
–I/O
14
+P_CRCA
31
+DB(8)
48
–P_CRCA
65
–DB(8)
15
GROUND
32
+DB(9)
49
GROUND
66
–DB(9)
16
DIFFSENS
33
+DB(10)
50
GROUND
67
–DB(10)
17
TERMPWR
34
+DB(11)
51
TERMPWR
68
–DB(11)
Table 5-11.
SCSI Connector Signals (Continued)
Pin
Signal Name
Pin
Signal Name
Pin
Signal Name
Pin
Signal Name