umct(4)

umct4

Mct usb-rs232 usb serial adapter

Usage

umct* at uhub? ucom* at umct?

Overview

The umct driver provides support for MCT USB-to-RS232 Converter and their family products.

The device is accessed through the ucom(4) driver which makes it behave like a tty(4).

Hardware

The umct driver supports the following adapters:

Belkin F5U109
Belkin F5U409
D-Link DU-H3SP USB BAY
MCT USB-RS232 Converter 9 pin Model U232-P9
MCT USB-RS232 Converter 25 pin Model U232-P25
Sitecom USB-RS232 Converter

Releases

50 releases since OpenBSD 3.2; the text changed 9 times.

  1. 3.2–3.3
  2. 3.4
  3. 3.5
  4. 3.6
  5. 3.7–4.0
  6. 4.1
  7. 4.2–4.3
  8. 4.4–5.2
  9. 5.3–6.4
  10. 6.5–8.0

History

The umct driver appeared in OpenBSD 3.2.

From man 8.0-current-20261101 in OpenBSD 8.0-current (2026-11-01). Parsed by carta from the page's mdoc source.