11
Pin
Signal
Description
Pin
Signal
Description
1
DIO1#
GPIB Data 1
14
DIO5#
GPIB Data 5
2
DIO2#
GPIB Data 2
15
DIO6#
GPIB Data 6
3
DIO3#
GPIB Data 3
16
DIO7#
GPIB Data 7
4
DIO4#
GPIB Data 4
17
DIO8#
GPIB Data 8
5
EOI
End Or Identify
18
REN
Remote Enable
6
DAV
Data Valid
19
Ground
Signal Ground
7
NRFD
Not Ready For Data 20
Ground
Signal Ground
8
NDAC
No Data Accepted
21
Ground
Signal Ground
9
IFC
Interface Clear
22
Ground
Signal Ground
10
SRQ
Service Request
23
Ground
Signal Ground
11
ATN
Attention
24
Ground
Signal Ground
12
Chassis Ground Chassis Ground
25
Ground
Signal Ground
13
Ground
Signal Ground
Table 2-2: GPIB Pin Description
2�3�5 Reset Button
The reset button, activated by insertion of any pin-like implement, executes a hard reset
for the PXI-63980.
2�3�6 LED Indicators
Four LED indicators on the faceplate indicate operational status of the PXI-63980, as follows.
HDD
Status
Watchdog
Power
Figure 2-3: PXI-63980 LED Indicators
LED
indicator
Color
Description
Power LED
Green
Indicates system power. Remains lit when the system
boots normally and main power supply is functioning.
HDD LED
Yellow Indicates operating state of the HDD or SSD. Flashes
during access to or activity on the SATA HDD.
Watchdog
Red
Indicates status of the watchdog timer, lighting when
watchdog timer has expired. Please refer to Appendix B
for watchdog timer programming information.
HS LED
Blue
Indicates system status, blinking on and off once during
boot when system status is good, and continuously
blinking or remaining lit when the system malfunctions.
Table 2-3: LED Indicator Legend
