Thus, all these together make your wifi connectio n a reality. It is used to connect your ISP using a phone line (for DSL), cable connection, or fiber. Some examples of modems include – Cable Modem, ADSL Modem, HDSL Modem etc.A modem (modulator/demodulator) was originally a device that took the analog signal of the phone line and converted it into a digital signal that a computer can understand. A modem, on the other hand, has a coaxial port for the cable connection from your ISP and a single port to link the internet port on your router. The functionality of modems is to modulate and then demodulate the signal and so that they are received at the each side of the connection. Modems generally work in pairs, with one modem at provider end and other at customer premises end. The dynamic or static public IP address which the modem obtains from ISP is passed on to your PC.
MODEM VS ROUTER VS SWITCH PC
The modem acts as a “bridge” between customer PC and your ISP. Ī Modem is a device that transmits and receives data over the plain old telephone system’s (POTS) analogue lines. Modem speed depends on the cost, the more is the cost more powerful the modem. The computers can connect to printers and other devices on the network and infact share each other data. Advantages of Modem The modem is more helpful in connecting LANs with the internet. For instance, in a home network, various desktop computers, laptops, printers and scanners may be connected through an Ethernet cable to the router. It will have several Ethernet ports to which one device per port is attached. A router can also select the best route for packets to take in large interconnected networks. A router rejects packets unless they match defined attributes (eg specific source or destination network addresses). A router learns more about the networks to which it is connected and can be more selective about the packets it passes on.
It forwards packets based on network addresses (Internet Protocol addresses) between ISP’s router and LAN. A Router is a device which acts as an interface between two networks ie LAN and WAN.
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