Maretron USB100 Manual do Utilizador descarregar pdf (Página 5)

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Gateway Definition

A network gateway is an inter-networking device capable of

joining together two networks that use different base

protocols.

A gateway can be implemented completely in software,

completely in hardware, or as a combination of both.

Because a gateway, by definition, appears at the edge of a

network, related capabilities like firewalls tend to be

integrated with it.

An extended definition includes analogue “protocols”, which

are often defined by a simple relationship between a value

and a voltage or current that represents that value

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