Editing GPIB (section)

== Capabilities ==
[[file:IEEE-488 port with listed capabilities on a laboratory temperature controller.jpg|thumb|IEEE-488 port with listed capabilities on a laboratory temperature controller]]

{| class="wikitable"
|+ Capabilities<ref>{{Citation |last=Tilden |first=Mark D. |title=4041 GPIB Programming Guide |year=1983 |chapter=Appendix A: Subsets Describe Interface Functions |pages= 113&ndash;115 |publisher=Tektronix, Inc. |chapter-url=http://www.mirrorservice.org/sites/www.bitsavers.org/pdf/tektronix/404x/070-4696-00_4041_GPIB_Programming_Guide_Sep1983.pdf }}</ref>
|-
! Function
! colspan=2 | Abbreviation
! Description and examples
|-
| Source Handshake
| SH
| 1
| Complete
|-
| Acceptor Handshake|| AH
| 1
| Complete
|-
| rowspan=3 | Basic Talker
| rowspan=3 | T 
| 5
| Responds to serial poll; untalks when listen address received; talk only capability
|-
| 6
| Untalks when listen address received; no talk only
|-
| 7
| No serial poll; untalks when listen address received; talk only capability
|-
| Extended Talker
| TE
| 0
| No extended talker
|-
| rowspan=2 | Basic Listener
| rowspan=2 | L
| 3
| Listen only mode; unlistens if talk address received
|-
| 4
| Unlistens if talk address received
|-
| Extended Listener
| LE
| 0
| No extended listener
|-
| rowspan=2 | Service Request
| rowspan=2 | SR
| 0
| No service request capability
|-
| 1
| Complete
|-
| rowspan=2 | Remote-Local
| rowspan=2 | RL
| 0
| No local lockout
|-
| 1
| Complete
|-
| Parallel Poll
| PP
| 0
| Does not respond to Parallel Poll
|-
| Device Clear
| DC
| 1
| complete
|-
| rowspan=2 | Device Trigger
| rowspan=2 | DT
| 0
| No device trigger capability
|-
| 1
| Complete
|-
| Controller
| C
| 0
| No controller function
|-
| rowspan=2 |
| rowspan=2 | E
| 1
| Open collector drive electronics
|-
| 2
| Three state drivers
|}