Interface Circuits for TIA/EIA-232-F (Design Notes)

Scope and location

Exact named pinout variant only; not capability or compatibility approval.

p. 7, 'The DB9S Connector' and Figure 6 '232 DB9S Interface'; p. 8, signal descriptions incl. 'Signal Ground (pin 5)'; p. 9, Figure 7 '232 Null Modem' pin labels

Open the original source

Inspected

2026-10-21

Access

public pdf text

Recorded AI-assisted source inspection; not independent human approval or hardware testing.

Source scope and unresolved evidence are preserved in the engineering variant.

Source inspection is separate from independent technical approval, rights clearance and hardware testing.