Rackmount/Benchtop Versions—492/492P Service Vol. 1 (SN B030000 & up)
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Fig. 6-5. Measurements of front-rail mounting holes for the stationary sections.
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Rem oving th e S id e, Top, an d B ottom P a n e ls
1.
Use a Torx ‘‘T20’’ screwdriver to remove the fillister
screws that hold the back feet on all four corners.
2.
On the side panels of the rackmount cabinet, remove
the pivot and stop screw for the side rail track assembly.
3.
Slide the panel back and off the cabinet. Note: When
replacing the panels, be sure to start the EMI strip under the
panel before sliding the panel forward; otherwise, the panel
will catch the strip and bend the end. Use a pointed object
such as a screwdriver to push the end of the EMI strip down
while pushing the panel forward.
4.
The EMI strip can be replaced by removing the back
feet mounting plate and sliding the strip out of its channel.
m
REV JUN 1982
Installing S em i-rigid C oaxial C a b le s th a t A c c e s s
th e C a b in e t R e ar P an el C o n n e c to rs to th e F ro n t
P a n e l of th e In stru m en t (O ption 31)
1.
Remove the 492/492P instrument from the cabinet,
then slide the bottom panel off as per instructions on remov
ing the panels.
2.
To gain access to the mounting nuts that hold the front
panel grill in place, remove the horizontal support bar across
the front section of the cabinet.
3.
Remove the front panel grill and install the Option 31
grill. (Option 31 panel has punched openings for mounting
the coaxial SMA connectors.)
4.
Install the four SMA coaxial connectors in the new
grill.
6-7