2
Remote Control
2.3 I/O library
23
mask” and “Default gateway” to the subnet where the main controller is located through the menu as
shown in the Figure 2.5.
Ensure that the noise figure analyzer is physically connected properly by 10Base-T LAN or
100Base-T LAN cable
Because the noise figure analyzer only supports the construction of a single LAN control system and the
setting of static IP addresses, and it does not support DHCP and the access to the host through the DNS
and domain name servers, the users do not need to modify the subnet mask, which is fixedly set to
255.255.255.0 in the instrument.
2.2.2 GPIB
Connection
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Interface configuration
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2.2.2.1 Connection
3986 noise figure analyzer is connected to an external controller (computer) using GPIB cable.
2.2.2.2 Interface configuration
The user may need to modify the GPIB address when building a system with a noise figure analyzer.
The GPIB address of the machine is 8 by default. The method to change the GPIB address is as follows:
Figure 2.6 GPIB Interface Settings
Press
【
System
】
[Interface Conf>>] [GPIB Address] to enter the interface as shown in Figure 2.6, and
you can use the numeric keys on the front panel to change the GPIB address of this machine in the input
box.
2.3 I/O library
Attention
