# StarTech DB-9 RS422/485

**Brand:** StarTech.com
**Category:** Informatique
**Code (GTIN/SKU):** 0065030842587
**Canonical URL:** https://openreviews.io/en/reviews/startechcom/startech-db-9-rs422-485-0065030842587

## Rating: 4.3/5 ★★★★☆ — 27 reviews analyzed
_Confidence: high_

## At a glance

StarTech DB-9 RS422/485 (StarTech.com) reviews: 4.3/5 based on 27 analyzed reviews, updated November 2, 2026.

Praised: mode compatibility and convenient conversion.

27 reviews analyzed, all published on other sites.
Other sites: 1 source, 27 reviews, average rating 4.3/5.
How we count reviews: https://openreviews.io/en/methodology

## AI summary

This DB-9 to 5-pin terminal block converter is specially designed for industry professionals requiring reliable serial links. It stands out for its versatility by efficiently supporting multiple RS422 and RS485 communication modes. No major reservations or recurring design flaws are reported by users, with the product perfectly fulfilling its technical role.

## Strengths

- **Mode compatibility** — It ensures complete and seamless support for different RS422 and RS485 communication modes.
- **Convenient conversion** — Switching from a male DB9 connector to a 5-pin terminal block greatly facilitates wiring.

## Frequently asked questions

- What communication modes are supported?
- How is the wiring done on the terminal block?
- Does the converter require an external power supply?
- Is this product suitable for industrial environments?

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_Source: OpenReviews — https://openreviews.io/en/reviews/startechcom/startech-db-9-rs422-485-0065030842587_