Some internal modems are part of the motherboard.
Cable dsl modem wikipedia.
A short haul modem is a device that bridges the gap between leased line and dial up modems.
A digital subscriber line dsl modem is a device used to connect a computer or router to a telephone line which provides the digital subscriber line service for connection to the internet which is often called dsl broadband.
Modems that connect to the computer by a cable are called external modems.
We reviewed both types of broadband internet to help you choose the one that best suits your needs.
The term dsl modem is technically used to describe a modem which connects to a single computer through an ethernet port usb port or is installed in a computer pci slot.
For example a dsl modem will link to a telephone land line which is most commonly connected through your phone service.
A dsl connection can be deployed over existing cable.
Others are inserted into the computer on a pc card.
Broadband cable internet access requires a cable modem at the customer s premises and a cable modem termination system cmts at a cable operator facility typically a cable television headend.
A null modem adapter is a small device with plugs on both end which is placed on the end of a normal straight through serial cable to convert it into a null modem cable.
Cable modems are primarily used to deliver broadband internet access in the form of cable internet taking advantage of the high bandwidth of a hfc and rfog network.
Such deployment even including equipment is much cheaper than installing a new high bandwidth fiber optic cable over the same route and distance.
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Dial up modems were the usual kind in the 20th century and dsl modems and cable tv modems are now more used.
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A cable modem is a type of network bridge that provides bi directional data communication via radio frequency channels on a hybrid fibre coaxial hfc radio frequency over glass rfog and coaxial cable infrastructure.
From dsl modems to cable modems not all devices are created equal these types of modems can differ with regard to the types of devices they re able to connect.
The two main pieces of equipment are a digital subscriber line access multiplexer dslam at one end and a dsl modem at the other end.
Both are popular and secure services although each approach offers a competing mix of trade offs.
