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Installation and Operation
QSD 204 • Installation and Operation2-2
Mounting the Decoder
Tabletop/desktop placement
For tabletop or desktop placement only, install the self-adhesive rubber feet/pads
(provided) onto the four corners of the bottom of the enclosure.
Rack mounting
1. If feet were installed on the bottom of the QSD 204, remove them.
2. Place the QSD 204 on one half of the 1U (one unit high) rack shelf (part
#60-190-01). Align the front of the QSD 204 with the front of the shelf,
and align the threaded holes on the bottom of the QSD 204 with the
holes in the rack shelf.
3. Attach the QSD 204 to the rack shelf with the two provided 4-40 x 1/8”
machine screws. Insert the screws from the underside of the shelf, and
securely fasten them into diagonally-opposite corners. See the
illustration below.
Rack mounting the QSD 204
4. Attach the false front panel (provided with the rack shelf) to the
unoccupied side of the rack (as shown above), or install a second half-
rack-width device in that side by repeating steps 1 – 3.
5. Attach the rack shelf to the rack using four 10-32 x ¾” bolts with
captive nylon washers (provided). Insert the bolts through the holes in
the rack ears and rack, as shown above.
(2) 4-40 x 1/8" Screws
Use 2 Mounting Holes on
Opposite Corners
False Front Panel
Uses 2 Front Holes
1
QSD 204
DIGITAL QUAD-STANDARD DECODER
2
3
4
BRT/
CONT
COL/
TNT
BLANKING
CENTER
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