Appendix C
Front Panel and Connectors
C-16
www.ni.com
Table C-8.
GPIB Connector Signals
Pin
Signal Name
Signal Description
1
DIO1*
Data Bit 1
2
DIO2*
Data Bit 2
3
DIO3*
Data Bit 3
4
DIO4*
Data Bit 4
5
EOI*
End or Identify
6
DAV*
Data Valid
7
NRFD*
Not Ready for Data
8
NDAC*
Not Data Accepted
9
IFC*
Interface Clear
10
SRQ*
Service Request
11
ATN*
Attention
12
SHIELD
Chassis ground
13
DIO5*
Data Bit 5
14
DIO6*
Data Bit 6
15
DIO7*
Data Bit 7
16
DIO8*
Data Bit 8
17
REN*
Remote Enable
18–25
GND
Logic Ground
