Keysight N5221BU-677, Installation Note, Page: 44 / 54

44 Installation Note N5222-90129
Installation Procedure for the Upgrade
-
Step 25. Replace the Front Panel’s Lower Dress Panel
Before the front panel’s lower dress panel can be replaced, the 2-port lower
dress panel and the lower front panel label must be removed from the front
panel assembly. Refer to Figure 22 on page 44 . New parts are listed in Table 2
on page 11 .
1. Remove the 2-Port lower front panel label (item
➀
).
2. Remove the 10 screws (save the screws for reuse) from the 2-port dress
panel and remove the dress panel (item
②
and ③ respectively).
3. Reassemble the front panel’s lower dress panel assembly with the new
4-port front frame (N5240-00009) by reversing the order of step 2 in the
instructions previously followed.
Figure 22 Replacing the Front Panel’s Lower Dress Panel and label (N5240-00009)
IMPORTANT! To avoid possible damage to the lower front panel overlay
(label), do not attempt to attach the lower front panel label until “Step 27.
Install the Overlay” on page 45 .