Ethernet Cable Modem uses USB or ethernet connection. It has front panel LED indicator lights. The maximum speed of this modem is 38 Mbps (64 QAM) / 43 Mbps (256 QAM). It has 6 MHz of bandwidth. It also has 12V, 1A power adapter.
Ethernet Interfaces initialize the interface, sets up the interface to use the appropriate hardware and software interrupts, manages buffers and interacts with the operating system. There are multiple drivers for networking. The NIC or LAN driver is a low-level driver that configures and interfaces with the hardware network interface.