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Installation Procedure for the Upgrade
The network analyzer must be in proper working condition prior to installing this option. Any
necessary repairs must be made before proceeding with this installation.
Overview of the Installation Procedure
Step 1. Obtain a Keyword and Verify the Information.
Step 2. Remove the Outer Cover.
Step 3. Remove the Inner Cover.
Step 4. Remove the Front Panel Assembly.
Step 5. Remove the A19 Test Set Motherboard.
Step 6. Remove the A20 IF Multiplexer Board.
Step 7. Remove Some Cables.
Step 8. Remove the A23 Mixer Brick Assembly.
Step 9. Assemble the A24 Mixer Brick and A22 Splitter.
Step 10. Assemble the A26 and A27 Test Port Bridges.
Step 11. Install the Mixer Bricks Assembly and Test Port Bridge Assemblies.
Step 12. Assemble the A35, A36 Source Attenuators and the A43, A44 Receiver Attenuators.
Step 13. Assemble the Port 4 Source Bypass Switch Assembly.
Step 14. Install the Port 4 Source Bypass Switch Assembly.
Step 15. Assemble the A29 - A32 Test Port Coupler Assemblies.
Step 16. Install the LED Boards and Test Port Coupler Assemblies to the Test Set Front Plate.
Step 17. Install the Bulkhead Connectors in the Test Set Front Plate.
Step 18. Install the Coupler Plate Assembly to the Deck.
Step 19. Install the Bulkhead Connectors and Jumper on the Rear Panel.
Step 20. Install the Test Set Cables.
Step 21. Reinstall the A20 IF Multiplexer Board.
Installation Note N5242-90123
This installation requires the removal of the analyzer's protective
outer covers. The analyzer must be powered down and
disconnected from the mains supply before performing this
procedure.
Some of the following figures provided in this procedure contain bias tees.
Bias tees are included in the Option 219/419 upgrade kits and can be
ignored for Options 217/417 and 222/422.
Installation Procedure for the Upgrade
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