The Netopia ISDN Router has a PC Card port with two PC Card slots. The Netopia ISDN PC card is designed for the PC card slot on PC notebooks and Macintosh PowerBooks. Port A location for passing data in and out of a device, and, in some cases, also for attaching other devices or cables. Protocol A formal description of message formats and the rules two or more systems must follow to exchange those messages. Protocol definitions range from how bits are placed on a wire to the format of an e-mail message.
Standard protocols allow different manufacturers' computers to communicate.
The router uses a protocol to gain information about the network, and it uses routing metrics and algorithms to choose the best route. A protocol used for the transmission of IP routing information. A telephone-industry standard connector type, usually containing four pins. A telephone-industry standard connector type usually containing eight pins. Table A list of networks maintained by each router on an internetwork.