047e:f101 — Atlas Modem

This is the USB identifier for a Atlas Modem manufactured by Agere Systems, Inc. (Lucent). The vendor ID 047e is registered to Agere Systems, Inc. (Lucent) with the USB Implementers Forum, and f101 is the product ID that Agere Systems, Inc. (Lucent) assigned to this particular model. When you run lsusb on Linux, this device appears as 047e:f101 Agere Systems, Inc. (Lucent) Atlas Modem.

Linux

$ lsusb
Bus 001 Device 004: ID 047e:f101 Agere Systems, Inc. (Lucent) Atlas Modem

You can filter directly with lsusb -d 047e:f101, or get the full descriptor dump with lsusb -v -d 047e:f101. Kernel messages from dmesg show the same pair as idVendor=047e, idProduct=f101.

Windows

In Device Manager, open the device, go to Details → Hardware Ids. This device reports:

USB\VID_047E&PID_F101
USB\VID_047E&PID_F101&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_047E&PID_F101"

macOS

$ system_profiler SPUSBDataType
    Atlas Modem:
      Product ID: 0xf101
      Vendor ID: 0x047e  (Agere Systems, Inc. (Lucent))

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.

The exact lines this page is generated from, in the upstream source file:

047e  Agere Systems, Inc. (Lucent)
	f101  Atlas Modem

• 047e:0300 ORiNOCO Card
• 047e:1001 USS720 Parallel Port
• 047e:2892 Systems Soft Modem
• 047e:bad1 Lucent 56k Modem

See all 5 devices from Agere Systems, Inc. (Lucent) →