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Magnum 6K25e Gigabit Fiber Switch Installation and User Guide (10/07)
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assembled together with the help of 22 Philips-head screws. There are 7 screws located
on the front-bottom and rear-top of the unit and four screws each on the sides. Remove
these screws. Once these are removed, the top cover is easily lifted off the chassis base.
When the chassis top cover has been removed, the interior of the unit is exposed.
Figure 3.5.1a: Removing Chassis Cover
Caution: Be careful not to disturb the power supply.
Looking down into the Magnum 6K25e unit, notice that there are individual
PM installation spaces and female latch(white) connectors provided on the main board
along with four stand-off’s for each 6KPM card position. (See Figure 3.5.1b).
Figure 3.5.1b: Magnum 6K25e, Top view without chassis cover
Step 3. Remove front panel face plate retaining screws
There are four PM slots (A, B, C and D) located on the front of the chassis cover.
Looking into the vertical placed Chassis cover
of the unit, there are three brackets with
retaining screws (#256 flat head ) which hold each PM Face plate card slot securely.
These six screws shown in the picture below are used to secure a PM face plate in
position, but unscrew only four of the screws as shown in Fig. below. These screws are
also used to secure the individual 6KPM cards screen plate which can be subjected to
significant forces from the attached cables. (See Figure 3.5.1c)
Figure 3.5.1c: Top View – 6KPM retaining screws hold Face Plate