GPIB Connector [Receptacle to Plug Assembly]
GPIB connector drawing with dimensions. Pins 1 to 12 are located on the bottom row, while pins 13 to 24 are located on the top row as shown [narrow side of connector]. The top drawing depicts a female connector, and the bottom drawing depicts a male GPIB connector. The Female connector provides pin 1 on the bottom left pin, pin 12 on the bottom right, pin 13 is above pin 1, while pin 24. The male connector has the same pinout but it's mirrored. So the male connector has pin 1 on the lower right. A pin out table with signal names for the GPIB connector is provided after the connector drawing.
The Mechanical [Physical] Dimensions for the GPIB connector is
shown in the graphic above.
The GPIB bus is also called, HPIB bus,
or IEEE-488 bus.
IEEE-488 Connector types: (The connector pin-outs differ):
... IEEE488/ANSI MC1.1; 24 pins, accepts a ribbon cable.
... IEC 625-1, MIL-C-24308; 25 pins
Connectors are tested to MIL-STD-202E (Environmental).
Maximum cable length is 20 meters, or 2 meters per device - which ever is
less. Devices may be connected in either a Star or Linear fashion.
Metric threads are Black, English threads are Silver;
the two will not mate together
Back to the main GPIB / HPIB; IEEE-488 page for pin
descriptions, timing and a bus description.
ANSI Connector / IEEE488 PinOut
| Pin # | Signal Names | Signal Description | Pin # | Signal Names | Signal Description |
| 1 | DIO1 | Data Input/Output Bit 1 | 13 | DIO5 | Data Input/Output Bit 5 |
| 2 | DIO2 | Data Input/Output Bit 2 | 14 | DIO6 | Data Input/Output Bit 6 |
| 3 | DIO3 | Data Input/Output Bit 3 | 15 | DIO7 | Data Input/Output Bit 7 |
| 4 | DIO4 | Data Input/Output Bit 4 | 16 | DIO8 | Data Input/Output Bit 8 |
| 5 | EIO | End-Or-Identify | 17 | REN | Remote Enable |
| 6 | DAV | Data Valid | 18 | Shield | Ground (DAV) |
| 7 | NRFD | Not Ready For Data | 19 | Shield | Ground (NRFD) |
| 8 | NDAC | Not Data Accepted | 20 | Shield | Ground (NDAC) |
| 9 | IFC | Interface Clear | 21 | Shield | Ground (IFC) |
| 10 | SRQ | Service Request | 22 | Shield | Ground (SRQ) |
| 11 | ATN | Attention | 23 | Shield | Ground (ATN) |
| 12 | Shield | Chassis Ground | 24 | Single GND | Single Ground |
GPIB connectors; Military Commercial Item Descriptions
Design Key words: IEEE488, HPIB, GPIB, HP-IB, General Purpose Interface Bus, Hewlett-Packard Interface Bus, Hewlett-Packard - Interface Bus, Military Specification, Digital Interface for Programmable Instrumentation, Connector, Physical, Mechanical, Size, Type, Description, Vendors, Products, Manufacturers, Plug, Receptacle, Pin-Out, GPI Bus, Port.
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