Power Supply (Rpsu280 Or Rpsu424) Removal; Power Supply Replacement; Wall Mounting; Base Cabinet (Dksub424) Or First Remote Expansion Cabinet Installation - Toshiba DK14 Installation And Maintenance Manual

Power Supply (RPSU280 or RPSU424) Removal

1. Remove the front and right side covers
supply will be removed. Remove the right side covers of other cabinets as necessary to
disconnect wiring.
2. Turn the power supply Off, and disconnect the AC power cord, all ground wiring and reserve
power cabling that is connected to the power supply.
3. Disconnect the DC OUT cable plug from the DC OUT connector.
4. Loosen the four mounting screws securing the power supply to the cabinet and remove the
power supply.

Power Supply Replacement

➤
Install the replacement power supply per

Wall Mounting

If the cabinet mounting holes align with wall studs, the cabinet can be installed directly on the wall
(see Figure 5-4). For more than two cabinets, a wooden backboard between the cabinet and the
wall is highly recommended (see

Base Cabinet (DKSUB424) or First Remote Expansion Cabinet Installation

1. If using a backboard: Obtain a board, such as plywood, that is at least 3/4 of an inch thick. The
board should be at least 6-1/2 feet high (completely expanded systems with seven cabinets
require this much height) and two feet wide (minimum).
Secure the board to the wall with wood screws with the bottom edge of the board is six inches
above the floor. (If there are wall studs, make sure the screws align with the studs.)
2. Remove the front, back, and side covers from the Base Cabinet or first Remote Expansion
Cabinet (see Figure
The bottom left screw must be completely removed. The two screws on each side cover
Note
and the three screws on the front cover should only be loosened and the covers slid to the
right for removal.
3. Hold the Base Cabinet back cover against the wall or backboard so that its two top mounting
holes are approximately 6-1/2 feet (78 inches) above the floor. This allows seven cabinets to
be installed (top-down) with a six-inch clearance between the floor and bottom cabinet (see
Figures 5-7 and 5-8).
4. Use a level to make sure that the back cover is held level.
5. Trace the upper arch of the top mounting holes with a pencil.
6. Remove the back cover from the wall.
7. Draw a line between the top two marking hole marks.
8. Drill holes on the line in the middle of the arch tracing.
9. Screw #12 X 1.25 inch size wood screws into the two drilled holes, leaving about 1/8 of an
inch clearance between the screw heads and the wall.
Strata DK I&M 5/00
(Figures 5-2
"Power Supply Installation" on Page
Figure 5-5).
5-6).
and 5-3) from the cabinet where the power
DK424 Installation
Wall Mounting
5-8.
5-11