Ametek 7270 Instruction Manual page 81

Dsp lock-in amplifier
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the Ethernet computer interface, as follows:-
IP Address Assignment
This control has two settings, as follows:-
MANUAL
When set to manual, the IP address of the instrument is set manually, using the
IP Address control on this menu.
AUTOMATIC
In automatic mode, if the instrument is connected to a network with a DHCP
server then it will adopt the address given to it be the server. The address is then
shown in the IP Address field of this menu, which now functions only as an
indicator.
IP Address
Subnet Mask
Default Gateway
These three menu items behave in a similar way.
When the IP Address Assignment control is set to Manual, they allow access to
corresponding setup menus, similar to the IP Address Setup menu, shown below in
figure 5-24. Use the arrow keys or the numeric keypad to enter the required address
and then press Previous Menu to return to the Ethernet Settings menu.
When the IP Address Assignment control is set to Automatic, they function simply
as indicators showing the settings allocated by the DHCP server.
Computer IP Address
In normal use, the instrument will accept connections from any IP address, and hence
can be operated from any computer on the network. In order to prevent operation
from computers other than the intended one, this control allows the address of the
controlling computer to be entered. It operates in a similar way to the other address
controls. Press a key adjacent to it to enter the Single Computer Access Setup menu,
which is similar to the IP Address Setup menu, shown in figure 5-24. Setting an IP
address of 0.0.0.0 allows access from any computer on the network; any other setting
restricts access to the computer having the specified address.
Chapter 5, FRONT PANEL OPERATION
Figure 5-24, IP Address Setup Menu
5-33

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