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Software Installation and Configuration 2
L4400 User’s Guide 21
Host Names Each L4400 instrument has a default host name. The format of
the host name is:
A- L44xxA- yyyyy
where ‘L44xxA’ is replaced by the module number (e.g. L4421A) and ‘yyyyy’
are the last five digits of the instrument serial number.
The instrument host name is reported by Agilent Connection Expert for
network servers that support Dynamic Domain Name Service (DNS). For
network servers that do not support Dynamic DNS, only the IP address is
reported.
Instrument Addressing
During programming, an L4400 series instrument is accessed through its
address string which consists of an IP address or host name. For example:
TCPIP0::192:168:1.221::inst0::INSTR
The L4400 series instruments can also be accessed using a host name as part
of the address string. For example:
TCPIP0::A-L4450A-12345.agilent.com::inst0::INSTR
Computer Configuration
Most computers used for instrument/system control are configured for LAN
and Internet access. Before starting Agilent Connection Expert to locate and
configure the instruments, verify that your computer is able to connect to the
network that will include the instruments.
A Web browser is used to open web interfaces to the L4400 instruments (See
“Using the Instrument Web Interface”). In some network configurations, a
proxy server cannot be used to access the instrument IP addresses. In these
situations, the browser must be set to disable the proxy for the instrument’s
address.
Configuring the LAN Interface
With the L4400 instrument(s) turned on and connected to a private or site
LAN network, start Agilent Connection Expert utility by clicking on the
Agilent IO Control icon and selecting “Agilent Connection Expert from the
pop-up menu (Figure 2- 5).
NOTE
The L4400 instruments can be restored to their default configurations by
pressing the ‘Reset’ pin on the instrument’s front or rear panels.