EIA-232

E438184
EIA standard interface standard serial communication standard

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.

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All labels observed (3)

Label Occurrences
RS-232 2
EIA-232 canonical 1
RS‑232 1

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 ⓘ

Referenced by (4)

Full triples — surface form annotated when it differs from this entity's canonical label.

X.25 → usesPhysicalLayer → EIA-232 ⓘ
Modbus → supportsPhysicalLayer → EIA-232 ⓘ
this entity surface form: RS-232
IEC 60870‑5‑101 → typicalPhysicalLayer → EIA-232 ⓘ
this entity surface form: RS‑232
VT100 terminal → communicationInterface → EIA-232 ⓘ
subject surface form: VT100
this entity surface form: RS-232