To Check The External Trigger Input; To Check The Lan (For Serial Prefix Jp1Kh, Jp2Kh, And My432) - Agilent Technologies E4991A Service Manual

To check the External Trigger Input

Procedure
Step 1. Press
[Preset]
Step 2. Select the trigger source to "EXTERNAL" by following front panel procedure.
[Trigger Setup]
Step 3. Attach the 50ohm termination(BNC) to the E4991A Ext Trig connector rear, then a trigger
is generated and measurement data is displayed.
Step 4. Remove the 50ohm termination(BNC) from the E4991A Ext Trig connector rear, then a
trigger is generated and measurement data is displayed.
Step 5. If measurement doesn't execute under the external trigger in spite of the internal trigger
works properly, there is a possibility that the A21 Analog Interface board gives problem.

To check the LAN (for serial prefix JP1KH, JP2KH, and MY432)

Procedure
Step 1. Connect the LAN cable between the E4991A rear and the personal computer. If you have a
crossed LAN cable, it is available to connect with them directly. Or, if have a straight LAN
cable, it is available to connect with them via multi port Hub.
Step 2. Exit from the E4991A Measurement Display as shown in "How to exit from the E4991A
Measurement View" on page 155. Then windows desktop screen is displayed.
Step 3. Set up the IP address/subnet mask
a. Open the shortcut menu by right-clicking the
desktop and click
Figure 4-24 Network dialog box
Chapter 4
key. Then the E4991A is initialized.
- - External
Trigger Source
. This opens up the Network dialog box (Figure 4-24).
Properties
Troubleshooting
Function Depend Troubleshooting
icon on the
Network Neighborhood
181