Also known as an ISDN LAN modem, it contains a BRI ISDN port and an Ethernet port. It may also provide several Ethernet ports, which lets it serve as a central Ethernet hub for a small workgroup.

A device that adapts a computer to a digital ISDN line. Like a modem, it plugs into the serial port of the computer or into an expansion slot. Some terminal adapters use the parallel port for ...