5v Usb To 12v Dc 5.5/2.1 Power Voltage Increase Adsl Modem Power Adapter Cable - Pc Hardware Cables & Adapters - AliExpress
Amazon.com: ALCATEL SPEED TOUCH USB ADSL Modem 3EC18607CGAB01 : Electronics
File:Linksys ADSL Modem AM300 ethernet, USB, and phone line ports.jpg - Wikimedia Commons
Amazon.com: Ethernet to USB Adapter, 2 PCS USB to Ethernet Adapter, RJ45 Ethernet Male to USB Female Converter, USB to RJ45 Connector for ADSL Modem, Router, Camera with Network Function : Electronics
What is a Cable/DSL Modem?
DSL-200 ADSL USB Modem (Annex A) | D-Link Deutschland