L4411A Getting Started Guide
17
Preparation for Use
1
Using the GPIB and USB Interface
Programming access to the L4411A multimeter is also available through the
instrument’s GPIB and USB interfaces. The GPIB and USB (Type B)
connectors are located on the rear panel of the L4411A.
If your application requires both LAN and GPIB access to the instrument, an
“in-line” GPIB cable or GPIB extender (adaptor) must be used in order to make
simultaneous (LAN and GPIB) connections to the instrument. In-line IEEE-488
cables are available through cable suppliers, and GPIB extenders are available
from Agilent under part number E2078-62101 or 1252-6133.
The L4411A is an Agilent Web-enabled instrument. Access to the instrument
via the Web interface is only available using the LAN connection.
Applying Power
Connect the power cord and LAN cable to the L4411A and press the
“on/stand-by” button on the front panel ( ). The L4411A power on sequence,
plus other instrument sequences are described in Table 1-1.
N O T E
In “stand-by” mode, line power continues to drive the L4411A internal power
supply; however, no power is provided to the instrument’s computing or
measurement circuitry.
N O T E
In LAN configurations without a DHCP server, for example when the L4411A is
connected directly to the PC using a LAN cross-over cable, allow approximately 60
seconds for the Automatic IP feature to assign an IP address to the
instrument.The address assigned will be in the range of 169.254.1.1 to
169.254.255.255.
N O T E
If the L4411A does not turn on when the on/stand-by button is pressed, verify AC
power is available to the instrument and that the power cord is securely
connected. If the instrument still does not turn on, the cooling fan is not audible,
or if the front panel display is off when power is applied, return the unit to Agilent
for repair.
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