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Hardware Setup and Configuration 2
Agilent N8201A Performance Downconverter Synthetic Instrument Module, 3 Hz to 26.5 GHz 55
How to Reset the LAN Configuration
On the instrument front panel, near the power switch, is a recessed button labeled
“RESET”. This button enables you to place the LAN configuration of the instrument
into a known state.
When this button is pressed (a straightened paper clip will do the job) the following
settings are made and the system reboots.
• Subnet Mask is set to 255.255.0.0
• DHCP is set to on
• Auto IP is set to on
• If DHCP and Auto IP are set to off, the IP address will be set to 192.168.EE.FF,
where EE and FF are the last two parts of the MAC address (AA.BB.CC.DD.EE.FF).
This is designed to prevent multiple instruments from using the same default IP
address (refer to the instrument label).
• The instrument hostname is set to A-N82XXA-NNNNN, where N82XXA is the
instrument model number (such as N8201A) and NNNNN represents the last five
digits of the instrument serial number.
If the instrument is in an environment with a DHCP server, it is assigned an IP address
through DHCP. The IP address can be found by using the instrument hostname as the
URL in a web browser.
Without DHCP, the instrument will use Auto IP and acquire a 169.254.X.X address. If
no DHCP is present, but the instrument is set to use DHCP (the default), the instrument
will wait two minutes for its DHCP request to time out. In this case, there is a time delay
of approximately three minutes between when the instrument is powered on and when it
is usable.
NOTE
If you had manually configured LAN settings before, you may have to reconfigure your
instrument to reset DHCP and Auto IP to OFF. Refer to “How to Set a Static IP Address" on
page 56.
Recessed
LAN RST
Button