0572:1252 — HCF V90 Data Fax Voice Modem
Conexant Systems (Rockwell), Inc.
- Vendor ID
- 0572
- Product ID
- 1252
- Combined
- 0572:1252
- Decimal
- 1394:4690
What is this device?
This is the USB identifier for a HCF V90 Data Fax Voice Modem manufactured by Conexant Systems (Rockwell), Inc.. The vendor ID 0572 is registered to Conexant Systems (Rockwell), Inc. with the USB Implementers Forum, and 1252 is the product ID that Conexant Systems (Rockwell), Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 0572:1252 Conexant Systems (Rockwell), Inc. HCF V90 Data Fax Voice Modem.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 0572:1252 Conexant Systems (Rockwell), Inc. HCF V90 Data Fax Voice Modem
You can filter directly with lsusb -d 0572:1252, or get the full descriptor dump with lsusb -v -d 0572:1252. Kernel messages from dmesg show the same pair as idVendor=0572, idProduct=1252.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_0572&PID_1252 USB\VID_0572&PID_1252&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0572&PID_1252"
macOS
$ system_profiler SPUSBDataType
HCF V90 Data Fax Voice Modem:
Product ID: 0x1252
Vendor ID: 0x0572 (Conexant Systems (Rockwell), Inc.)Driver help
Having driver issues with this device? Most USB devices are handled by a generic class driver; if yours shows up as an unknown device, confirm the ID above first, then check the manufacturer's downloads page.
Raw usb.ids entry
The exact lines this page is generated from, in the upstream source file:
0572 Conexant Systems (Rockwell), Inc. 1252 HCF V90 Data Fax Voice Modem