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User`s guide

ManualsBrandsAgilent Technologies ManualsPortable GeneratorE4438C
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User’s Guide 39
E4438C Option H13 Signal Studio for WiMAX
Troubleshooting
Troubleshooting
Troubleshooting the GPIB Interface
1. Ensure that the cable and all connectors are undamaged.
2. Ensure that the GPIB cable is securely connected to the PC and the ESG.
3. Verify that the GPIB address entered in the software matches that of the ESG. In the
software, click 'Instruments' in the Tree View to view the GPIB settings.
4. Validate the connection. Select an ESG connection and click 'Test Connection'. Observe
the resultant messages in the Result and Note cells to verify that the software is
connecting to the ESG.
Troubleshooting the LAN Interface
NOTE
If the ESG is connected directly to a computer, use a crossover LAN cable; if
the ESG is connected to a network/hub/router, do not use a crossover LAN
cable.
1. Ensure that the cable and all connectors are undamaged.
2. Ensure that the LAN cable is securely connected to the PC and the ESG.
3. Ensure that the instrument LAN connectors are active: flashing green or yellow lights
indicate LAN activity.
4. Verify that the Hostname or IP address entered in the software matches that of the
ESG. In the software, click 'Instruments' in the Tree View to view the LAN settings.
5. Validate the connection. Select an ESG connection and click 'Test Connection'. Observe
the resultant messages in the Result and Note cells to verify that the software is
connecting to the ESG.
6. Run the 'ping' program:
• On the computer go to Start > Programs > Command Promp (or DOS).
• At the C:\> promp, enter ping <IP address>, where <IP address> is the ESG's IP
address.
• If the ESG does not respond, contact your IT department for help.
7. If the 'ping' program works correctly, but there is still a connection problem and the PC
is connected directly to the ESG (using a cross-over cable), add the ESG's IP address
and hostname to the hosts file, which resides at
C:\WINNT\system32\drivers\etc\hosts.
• In a text editor such as Notepad, open the hosts file.
• Write the IP address for the ESG and spectrum analyzer at the bottom of the file.
(Refer to the example of a hosts file below)
• Save the file and close the text editor.