uplcom(4)

uplcom4

Usb support for prolific pl-2303/2303x/2303hx serial adapters driver

Usage

To compile this driver into the kernel, place the following lines in your kernel configuration file:

device usb device ucom device uplcom

Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):

uplcom_load="YES"

Overview

The uplcom driver provides support for various serial adapters based on the Prolific PL-2303, PL-2303X and PL-2303HX USB-to-RS232 Bridge chips.

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

Hardware

The uplcom driver supports the following devices and adapters:

  • ADLINK ND-6530 USB-Serial Adapter

  • Alcatel One Touch 535/735 Phone

  • Alcor AU9720 USB-RS232 Serial Adapter

  • AlDiga AL-11U Modem

  • Alltronix ACM003U00 Modem

  • Anchor Serial adapter

  • ATEN UC-232A

  • ATEN UC-232B

  • BAFO BF-800 and BF-810

  • Belkin F5U257

  • BenQ S81 Phone

  • Corega CG-USBRS232R Serial Adapter

  • Cressi Edy (Seiko) Diving Computer

  • ELECOM UC-SGT Serial Adapter

  • HAL Corporation Crossam2+USB IR commander

  • Hama USB RS-232 Serial Adapter

  • Hamlet exaggerate XURS232

  • HP LD220 Point-Of-Sale (POS) Display

  • IOGEAR UC-232A

  • I/O DATA USB-RSAQ, USB-RSAQ2, USB-RSAQ3 and USB-RSAQ5

  • iTegno WM1080A GSM/GFPRS Modem

  • iTegno WM2080A CDMA Modem

  • Leadtek 9531 GPS

  • Micromax 610U Modem

  • Microsoft Palm 700WX

  • Mobile Action MA-620 Infrared Adapter

  • Motorola Cables

  • Nokia CA-42 Cable

  • OTI DKU-5 cable

  • Panasonic TY-TP50P6-S flat screen

  • PLX CA-42 Phone Cable

  • PLANEX USB-RS232 URS-03

  • Prolific Generic USB-Serial Adapters

  • Prolific Generic USB-Serial Adapters (HXN)

  • Prolific Pharos USB-Serial Adapter

  • Prolific USB-Serial Controller D

  • RATOC REX-USB60

  • Radio Shack USB Serial Cable

  • Sagem USB-Serial Adapter

  • Samsung I330 Phone Cradle

  • Sandberg USB to Serial Link (model number 133-08)

  • Sanwa KB-USB2 Multimeter cable

  • Siemens/BenQ EF81, SX1, X65 and X75 Mobile Phones

  • Sitecom USB-Serial Adapter

  • SMART Technologies USB-Serial Adapter

  • Sony QN3 Phone Cable

  • Sony Ericsson Datapilot

  • Sony Ericsson DCU-10 and DCU-11 (Susteen) USB Cables

  • SOURCENEXT KeikaiDenwa 8 (with and without charger)

  • Speed Dragon USB-Serial Cable

  • Syntech CPT-8001C Barcode Scanner

  • TDK UHA6400 and UPA9664 USB-PHS Adapters

  • TRENDnet USB to Serial Converter (TU-S9)

  • Tripp-Lite U209-000-R USB-Serial Adapter

  • UIC HCR331 Magnetic Stripe Card Reader

  • UIC MSR206 Magnetic Stripe Card Reader

  • Willcom W-SIM DD PHS terminal.(WS002IN)

  • YC-Cable USB-Serial Adapter

  • Zeagle N2iTion3 Diving Computer

Sysctl variables

The following variables are available as both sysctl(8) variables and loader(8) tunables:

hw.usb.uplcom.debug

Debug output level, where 0 is debugging disabled and larger values increase debug message verbosity. Default is 0.

Files

/dev/ttyU*

for callin ports

/dev/ttyU*.init
/dev/ttyU*.lock

corresponding callin initial-state and lock-state devices

/dev/cuaU*

for callout ports

/dev/cuaU*.init
/dev/cuaU*.lock

corresponding callout initial-state and lock-state devices

Releases

61 releases since FreeBSD 4.7-RELEASE; the text changed 40 times.

  1. 4.7–4.9
  2. 4.10
  3. 4.11
  4. 5.0–5.1
  5. 5.2–5.2.1
  6. 5.3
  7. 5.4–5.5
  8. 6.0–6.2
  9. 6.3
  10. 6.4
  11. 7.0
  12. 7.1
  13. 7.2
  14. 7.3
  15. 7.4
  16. 8.0
  17. 8.1
  18. 8.2
  19. 8.3
  20. 8.4
  21. 9.0
  22. 9.1
  23. 9.2
  24. 9.3
  25. 10.0
  26. 10.1
  27. 10.2
  28. 10.3
  29. 10.4
  30. 11.0
  31. 11.1
  32. 11.2
  33. 11.3
  34. 11.4
  35. 12.0
  36. 12.1
  37. 12.2
  38. 12.3
  39. 12.4
  40. 13.0–13.2
  41. 13.3–16.0

History

The uplcom driver appeared in NetBSD 1.6. This manual page was adopted from NetBSD by Tom Rhodes ⟨[email protected]⟩ in April 2002.

From base 16.0-CURRENT-20261027-61c70dc16a79 in FreeBSD 16.0-CURRENT (2026-10-27). Parsed by carta from the page's mdoc source.