Installation Note E4400-90252
9
3. Remove the two screws from the top bracket (item 2 Figure 2) that is located on the top of the rear
chassis. Set the bracket aside for replacement later.
4. Remove the nuts and washers securing the five BNC connectors (item 1 in Figure 3) at the base of
the rear panel.
5. Remove the hex screws and washers that secure the AUXILIARY INTERFACE (item 2 in Figure 3)
and the HP-IB connector (item 3 in Figure 3) to the rear panel.
6. Remove the 10 screws (item 4 in Figure 3) that secure the rear panel to the instrument chassis.
7. Pull the rear-panel assembly away from the instrument chassis.
Figure 3
Rear Panel
8. Remove the screws securing the line module and the nut that attaches the green, ground wire.
9. Loosen the nut that secures the COHERENT CARRIER cap. Also, remove the screw that holds the
chain and remove it from the rear panel.
10. Loosen the nut that secures the serial tag and remove it.
11. Remove three BNC cables (BASEBAND GEN REF IN, I-OUT, and Q-OUT) and set the standard
rear panel aside.
12. Pull the standard rear-panel assembly away from the instrument chassis.
Remove the hardware from the standard rear panel
1. Remove the screws securing the line module and the nut that attaches the green ground wire.
2. Loosen the nut that secures the COHERENT CARRIER cap. Also remove the screw that holds the
chain and remove from the rear panel.
3. Loosen the nut that secures the serial tag and remove. Discard the old rear panel.
