
Appendix D Front Panel and Connectors
© National Instruments Corporation D-13 VXIpc 800 Series User Manual
Table D-7. GPIB Connector Signals
Pin Signal Name Signal Description
1DIO1* Data Bit 1
2DIO2* Data Bit 2
3DIO3* Data Bit 3
4DIO4* Data Bit 4
5 EOI* End or Identify
6DAV* Data Valid
7NRFD* Not Ready for Data
8NDAC* 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