Agilent Technologies E2094S Instrukcja Obsługi Strona 162

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162 Agilent Connectivity Guide
7TCP/IP Network Basics
LAN Hardware Architecture
A LAN is a way to extend the control of instrumentation beyond the
limits of typical instrument interfaces. You can communicate with
instruments using a web browser, the Telnet utility, or sockets. However,
to program (send SCPI commands) over the LAN, you must first
configure the LAN interface using Agilent
Connection Expert, provided
with the Agilent IO Libraries Suite.
Client-Server Model
The LAN software uses the client-server model of computing.
Client-server computing refers to a model where an application (the
client) does not perform all necessary tasks of the application itself.
Instead, the client makes requests of another device (the
server) for
certain services.
A LAN interface, such as a PC, makes requests over the network to a
server, such as a PC or a LAN-enabled instrument. For example, in this
figure the Server PC and the instruments can act as LAN servers. Once
the LAN server has completed the requested operation on the instrument
Figure 54 Typical Private LAN
Typical Private LAN
Ethernet
Hub or Switch
PC
Instrument
Instrument
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