Cisco D9477-1 Installation And Operation Manual page 80

Chapter 4 Operating the Modulator
3 Choose one of the following options:

For the 120/230V AC model, use a small flat-blade screwdriver to pry out the
fuse holder, then go to step 7.

For the 48V DC model, go to step 4.
4 Loosen the fuse holder by using a small flat-blade screwdriver to turn the fuse
holder counter-clockwise.
5 Remove the fuse.
Insert a new fuse into the fuse holder, then go to step 10.
6
7 Locate and remove the spare fuse from the hidden compartment on the fuse
holder.
8 Remove and discard the blown fuse, and then replace the blown fuse with the
spare fuse.
9 Place a new fuse in the hidden compartment where you removed the spare. This
fuse will now be your spare fuse.
10 Insert the fuse holder into the back panel.
11 Choose one of the following options:
 For the 120/230V AC model, snap the fuse holder in place.

For the 48V DC model, tighten the fuse holder by using a small flat-blade
screwdriver to turn the fuse holder clockwise.
12 Replace the power cord and power on the MQAM, if applicable.
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