Chapter Three: Hardware Overview Rear Panel
35
IEEE Connector
The IEEE-488 connector is a 24-pin General Purpose Interface Bus (GPIB) connector. The pin
assignments, listed in Table 8, comply with the IEEE-488.1 specification.
Pinout of the IEEE-488 Connector
Pin Number Abbreviation Description
1 DIO1 Data Input Output 1
2 DIO2 Data Input Output 2
3 DIO3 Data Input Output 3
4 DIO4 Data Input Output 4
5 EOI End or Identify (return on pin 24)
6 DAV Data Valid
7 NRFD Not Ready for Data
8 NDAC No Data Accepted
9 IFC Interface Clear
10 SRQ Service Request
11 ATN Attention
12 SHIELD Shield
13 DIO5 Data Input Output 5
14 DIO6 Data Input Output 6
15 DIO7 Data Input Output 7
16 DIO8 Data Input Output 8
17 REN Return (return on pin 24)
18 Gnd (6) Ground (for pin 6)
19 Gnd (7) Ground (for pin 7)
20 Gnd (8) Ground (for pin 8)
21 Gnd (9) Ground (for pin 9)
22 Gnd (10) Ground (for pin 10)
23 Gnd (11) Ground (for pin 11)
24 Gnd (LOGIC) Ground (LOGIC)
Table 8: Pinout of the IEEE-488 Connector
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