Service manual

88 Chapter 4
Assembly Replacement and Post-Repair Procedures
Replacement of E8491B (IEEE 1394 PC Link to VXI Module)
Replacement of E8491B (IEEE 1394 PC Link to VXI
Module)
This part describes how to replace the Agilent E8401A IEEE 1394 PC-Link-to-VXI
module.
Tools Required
• Pozidriv screwdriver
Removal
To uninstall the E8491B module from the VXI mainframe, follow below steps.
Step 1. Shut whole system down.
Step 2. Remove all cables connected to the module.
Step 3. Pull the module out from the VXI mainframe. To pull it out, loosen the screws fixing the
module to the VXI mainframe and pull the lever of the module.
Replacement
To install the E8491B module into the VXI mainframe, follow below steps.
Step 1. Write the faulty module’s serial number on the new module using a fine point permanent
marker.
Step 2. Insert the module into the VXI mainframe. Then, make sure the module is inserted deep
enough, and fix the module by tightening the screws on the front panel.
Step 3. Connect the cables to the module. Refer to “Cable Connection” section in this chapter.
Post Replacement Procedures
Following steps are required after replacement of the Agilent E8491B module. If you don’t
follow these, the Agilent E8491B module is not configured correctly.
Step 1. Turn on the PC and log in.
Step 2. Select
Start - Programs - Agilent I_O Libraries - I_O Config, or click the right mouse
button on the Agilent logo in the task bar and select
Run I_O Config. Refer to “Usage of
I/O Config” on page 168 in Appendix C, “Software Tools,” for details.
Step 3. Remove “vxi” item in the Configured Interface in the I/O Config window.
Step 4. Select the “E8491” in the Available Interface Types and select the “Configure” button to
enter it. Other settings may use default settings.
Operation Check
Refer to the “Perform Power-on Self Test” on page 26 to verify the system operation.