Here what you need to know about modem.
A modem can be external or internal system with the PC. It is a device that turns your computer to your phone to transfer data over the Internet.
Hardware or an external modem has three data components of a micro-controller, checks the data for errors and compresses it with commands for sending and receiving signals. Then it sends the data to the data dump from a unit, the unit of data access. The data dump unit receives instructions from the ROM and the output is sent to the unit of data access, a hardware interface for the telephone switching system, so that the support interface pipeline.This order to recognize the modem signals line with the dial tone, busy tone, etc.
All the modems operate on the principle of point-to-point protocol theory. The modem is connected to the Internet Service Provider, and this in turn is connected to the Internet. Here are the data stored in the TCP / IP packets. The team of the TCP / IP is the TCP / IP datagram and sends them to the modem. It is the duty of the ISP to forward this datagram to the Internet.
No comments:
Post a Comment