EIA-232
E438184
EIA-232 is a standard for serial binary data communication that defines electrical and signaling characteristics for connecting data terminal equipment and data communication equipment.
All labels observed (3)
How this entity was disambiguated
This entity first appeared as the object of triple T4402467 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: EIA-232 Context triple: [X.25, usesPhysicalLayer, EIA-232]
-
A.
Multibus
Multibus is an early Intel-developed computer bus standard widely used in 1980s workstations and embedded systems for modular expansion and peripheral connectivity.
-
B.
IEEE 488 GPIB standard
The IEEE 488 GPIB standard is a widely used digital interface specification that enables communication and control among electronic test and measurement instruments and computers.
-
C.
RJ45
RJ45 is a standardized 8-pin modular connector commonly used for terminating Ethernet network cables in computer and telecommunications networking.
-
D.
R232
R232 is the internal designation for the latest generation of the Mercedes-Benz SL, a luxury roadster combining high performance with advanced technology and premium comfort.
-
E.
IEEE 1532
IEEE 1532 is an extension of the JTAG boundary-scan standard that defines in-system programming and configuration procedures for programmable devices such as FPGAs and CPLDs.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: EIA-232 Target entity description: EIA-232 is a standard for serial binary data communication that defines electrical and signaling characteristics for connecting data terminal equipment and data communication equipment.
-
A.
Multibus
Multibus is an early Intel-developed computer bus standard widely used in 1980s workstations and embedded systems for modular expansion and peripheral connectivity.
-
B.
IEEE 488 GPIB standard
The IEEE 488 GPIB standard is a widely used digital interface specification that enables communication and control among electronic test and measurement instruments and computers.
-
C.
RJ45
RJ45 is a standardized 8-pin modular connector commonly used for terminating Ethernet network cables in computer and telecommunications networking.
-
D.
R232
R232 is the internal designation for the latest generation of the Mercedes-Benz SL, a luxury roadster combining high performance with advanced technology and premium comfort.
-
E.
IEEE 1532
IEEE 1532 is an extension of the JTAG boundary-scan standard that defines in-system programming and configuration procedures for programmable devices such as FPGAs and CPLDs.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
EIA standard
ⓘ
interface standard ⓘ serial communication standard ⓘ |
| alsoKnownAs |
EIA RS-232
NERFINISHED
ⓘ
EIA-232-C NERFINISHED ⓘ RS-232 NERFINISHED ⓘ |
| category | physical layer interface ⓘ |
| commonlyUsesConnector |
DB-25
NERFINISHED
ⓘ
DE-9 ⓘ |
| defines |
connector pin assignments
ⓘ
electrical characteristics for serial binary data communication ⓘ interface between data terminal equipment and data circuit-terminating equipment ⓘ maximum cable length under specified conditions ⓘ signal functions ⓘ signal timing ⓘ signaling characteristics for serial binary data communication ⓘ voltage levels for logical 1 and logical 0 ⓘ |
| definesSignal |
CTS
ⓘ
DCD NERFINISHED ⓘ DSR ⓘ DTR ⓘ RI ⓘ RTS ⓘ RXD ⓘ TXD ⓘ |
| influenced |
later serial standards such as EIA-422
ⓘ
later serial standards such as EIA-485 ⓘ |
| logical0VoltageRange | +3 V to +15 V ⓘ |
| logical1VoltageRange | -3 V to -15 V ⓘ |
| logicConvention | negative logic ⓘ |
| maximumDataRate | typically up to 20 kbit/s over standard cable lengths ⓘ |
| maximumOpenCircuitVoltage | 25 V ⓘ |
| minimumVoltageMagnitude | 3 V ⓘ |
| operatesRelativeTo | common signal ground ⓘ |
| publishedBy |
EIA
NERFINISHED
ⓘ
Electronic Industries Alliance NERFINISHED ⓘ |
| signalType | single-ended ⓘ |
| standardizes | interface between DTE and DCE ⓘ |
| status | legacy but still in use ⓘ |
| supports |
full-duplex communication
ⓘ
hardware flow control ⓘ software flow control ⓘ |
| typicalMaximumCableLength | 15 meters ⓘ |
| usedFor |
asynchronous serial communication
ⓘ
computer serial ports ⓘ connecting data terminal equipment to data communication equipment ⓘ industrial control equipment communication ⓘ modem connections ⓘ serial binary data communication ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: EIA-232 Description of subject: EIA-232 is a standard for serial binary data communication that defines electrical and signaling characteristics for connecting data terminal equipment and data communication equipment.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
RS-232
this entity surface form:
RS‑232
subject surface form:
VT100
this entity surface form:
RS-232