FIELD GUIDESource-led reference
Port & Cable

P132 / Legacy computer / Guide

D-sub identification does not determine the port function

Find the interface name in the manual.

The useful distinction

Record the nominal position layout, actual populated contacts, model number and port description before researching any converter.

Claim inspection dates: 2026-10-03 · Independent review pending

Guide note · not an individual product specification

The useful distinction

Understand the requirement.

A D-sub shell and contact pattern narrow the form, but a port label and manual are still needed to identify the interface. [C132A]

It lists parallel, RS-232 and SCSI among DB25 applications. [C132B]

Bounded facts, visible unknowns

Specifications and limits

D-sub identification does not determine the port function facts and limitations
Documented identificationThe D-sub guide notes that not all nominal positions must be populated. [C132A]
Important distinctionIt lists parallel, RS-232 and SCSI among DB25 applications. [C132B]
Verified device listNot included. Check exact device and accessory documentation.
A boundary, not an omission to guess around.

Record the exact device model and the label beside the port. Obtain its manual and the accessory documentation. Keep unknown properties unknown instead of filling them from a visually similar item.

Before you connect

What to check

  1. Count rows and nominal positions.
  2. Record omissions without assuming a damaged connector.
  3. Check whether the manual specifies serial, parallel, SCSI, video or another function.
Trace a supported connection class →

What is not established

This field note does not approve a connection, publish a pinout or provide a measured template. Use the linked source scope and the checklist as a documentation starting point.

Your next step

Move from the form to the requirement.

Compare this field note See the differences without assuming interchangeability.Work through a connection Choose your task before deciding on a cable.Explore this evidence trail Inspect the claims and their dependencies. (private workspace)

The source trail

Evidence for this page

AI-assisted inspection is not independent engineering review. Source scope and access limitations are disclosed below. Procedural checklists are editorial requirements, not hardware measurements.

C132ASource checked · pending review

The D-sub guide notes that not all nominal positions must be populated.

C2G / Legrand · D-sub identification guide — nine and twenty-five positions ↗

Locator: Introductory population warning; DB9; DB25
Access: public page. Some contacts may be unpopulated. DB9 is the source trade label; no universal serial pinout or protocol is inferred.

S092: full source recordInspect review dependencies → (private workspace)

Claim scope: Identification and explicitly scoped documentation only; not an end-to-end connection approval. Next review due 2027-01-01.

C132BSource checked · pending review

It lists parallel, RS-232 and SCSI among DB25 applications.

C2G / Legrand · D-sub identification guide — nine and twenty-five positions ↗

Locator: Introductory population warning; DB9; DB25
Access: public page. Some contacts may be unpopulated. DB9 is the source trade label; no universal serial pinout or protocol is inferred.

S092: full source recordInspect review dependencies → (private workspace)

Claim scope: Identification and explicitly scoped documentation only; not an end-to-end connection approval. Next review due 2027-01-01.

Suggest a correction to this field note →

Evidence behind this page

Scope first. Source second. Approval separate.

1 linked sources · 2 scoped claims · 0 sources with inspection/access flags.

Page scope: consumer_reference_expansion

Assessment 2026-10-22 · earliest scheduled source review 2027-01-01. This is a recorded-date assessment, not a live source check. Page-level independent review is not established by this panel.

Inspect 1 source scopes, access limits and dates

S092 · D-sub identification guide — nine and twenty-five positions

C2G / Legrand · Manufacturer / product-owner domain · inspected 2026-10-03 · due 2027-01-01

Within inspection window

Scoped support: Two-row position counts and multiple documented DB25 applications.

Not established / limitations: Some contacts may be unpopulated. DB9 is the source trade label; no universal serial pinout or protocol is inferred.

Locator: Introductory population warning; DB9; DB25

Trace 2 claims to their source records

C132A · P132

The D-sub guide notes that not all nominal positions must be populated.

Claim scope: Identification and explicitly scoped documentation only; not an end-to-end connection approval

Source links: S092 · Evidence trail → (private workspace)

C132B · P132

It lists parallel, RS-232 and SCSI among DB25 applications.

Claim scope: Identification and explicitly scoped documentation only; not an end-to-end connection approval

Source links: S092 · Evidence trail → (private workspace)

Prepare this page for review → (private workspace)Read the evidence method →

Recorded evidence only. An inspection date, publisher label, source link or generated packet is not independent technical review, hardware testing, fabrication approval or a compatibility verdict.