Keysight CXG, EXG, and MXG X-Series Signal Generators Programming Guide 47
Using IO Interfaces
Using LAN
Using Interactive IO
Use the VISA Assistant utility available in the Keysight IO Libraries Suite to
verify instrument communication over the LAN interface. Refer to the section
on the “IO Libraries and Programming Languages” on page 16 for more
information.
The Keysight IO Libraries Suite is supported on all platforms except Windows
NT. If you are using Windows NT, refer to the section below on using the VISA
Assistant to verify LAN communication. See the section on “Windows NT and
Keysight IO Libraries M (and Earlier)” on page 19 for more information.
Error Messages If error messages appear, then check the command syntax before continuing with
troubleshooting. If the syntax is correct, resolve the error messages using your network
documentation or by consulting your network administrator.
If an unknown host error message appears, try using the IP address instead of the hostname.
Also, verify that the host name and IP address for the signal generator have been registered by
your IT administrator.
Check that the hostname and IP address are correctly entered in the node names database. To
do this, enter the nslookup <hostname> command from the command prompt.
No Response If there is no response from a ping, no packets were received. Check that the typed address or
hostname matches the IP address or hostname assigned to the signal generator in the System
LAN Setup menu. For more information, refer to “DHCP/Auto-IP LAN Configuration
Sequence” on page 45.
Ping each node along the route between your workstation and the signal generator, starting
with your workstation. If a node doesn’t respond, contact your IT administrator.
If the signal generator still does not respond to ping, you should suspect a hardware problem.
— Check the signal generator LAN connector lights
— Verify the hostname is not being used with DHCP addressing
Intermittent Response If you received 1 to 8 packets back, there maybe a problem with the network. In networks with
switches and bridges, the first few pings may be lost until these devices ‘learn’ the location of
hosts. Also, because the number of packets received depends on your network traffic and
integrity, the number might be different for your network. Problems of this nature are best
resolved by your IT department.
The following sections are specific to Keysight IO Libraries versions M and
earlier and apply only to the Windows NT platform.
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