46 Keysight N774xC Series Multiport Power Meter Programming Guide
3 Instrument Setup and Status
System Communicate - The :SYST:COMMunicate sub tree
We recommend you change network settings using the local user
interface.
Some notes on DHCP/AutoIP/DNS
• If DHCP is enabled but no DHCP server is found, the instrument tries to
use AutoIP as a fallback. This may take about 2 minutes.
• Depending on the available network capabilities, the instrument tries to
tell the DNS server its host name or read the host and domain named it
has been assigned.
MAC address:
The Media Access Control (MAC) number is a unique number associated
with each network adapter.
The instrument does not close open connections when restarting the network
interface (:SYSTem:COMMunicate:ETHernet:RESTart). This means the number of
possible connections is reduced by the number of previously open connections.
However, the instrument does make sure connections are still alive. It should
release unused open connections after about two minutes.
Command: :SYSTem:COMMunicate:ETHernet:AUTOip:ENABle?
Syntax: :SYSTem:COMMunicate:ETHernet:AUTOip:ENABle?
Description: Check whether Automatic IP addressing is enabled or disabled.
Parameters: None
Response: Boolean (0 | 1)
Example: :SYST:COMM:ETH:AUTO:ENAB? -> 1
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