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PS 123 12 VDC, 3 Amp Power Supply • User's Guide
PS 123, cont’d
12
PS 123 12 VDC, 3 Amp Power Supply • User's Guide
13
5. Assemble the U-bolt and the following parts in the
following order (figure 11, below):
a. Pass the legs of the U-bolt through the slotted holes on
the mount plate flange.
b. Place the legs around the projector pole.
c. Pass the legs through the holes in the contour base.
N
The pole fits snugly into the depression in the center of
the contoured base.
d. Pass the legs through the holes in the L-shaped bracket.
• For a typical (1.5" to 2.0" diameter) pole — You
can use the supplied square U-bolt, which fits a
typical ceiling pole.
• For a smaller pole — Locally obtain a square
U-bolt that fits your ceiling pole. The slotted holes
on the bracket can accommodate a square U-bolt
for pole sizes from 1.0" to 2.0" in diameter.
U-bolt
Slotted Hole
in PMK Tray
L-shaped
Bracket
L-shaped
Bracket Screws
Contoured
Base
Ceiling
Pole
Mount Plate
Flange
Figure 11 — Projector mounting the PS 123
6. Align the two slotted holes in the bottom of the L-shaped
bracket with the two slotted holes in the base of the tray.
Secure the L-bracket to the base by inserting two provided
6-32 x 5/16" screws through the aligned slots.
7. Move the PMK 350 up to the desired location on the ceiling
pole, as close to the ceiling as desired.
8. Secure the L-shaped bracket to the U-bolt using the
included hex nuts, washers, and lock washers. Tighten the
hex nuts securely.
C
Be sure to tighten the hex nuts securely enough that
the PMK 350 does not slide down the ceiling pole.
A socket wrench is recommended to tighten the hex
nuts.
9. Secure the front panel to the mounting tray with four of
the included #6 screws.
10. If desired, choose one of the provided four sizes of self-
adhesive cover sheets, and apply it to the underside of the
mounting tray.
PMK 450
The Extron PMK 450 Easy Installation Multi-Product Projector
Mounting Kit attaches to projector mounting poles with external
diameters of 1.85" (4.7 cm) to 1.95" (5 cm). It can accommodate
multiple Extron products of a variety of sizes, and their power
supplies.
Rear Plate
Pipe Collar and
Set Screws (4)
Security Screw
AC Power Cord
Access Slot
C
O
M
1
L
A
N
U
I
D
#
0
9
3
0
1
2
0
5
2
PO
W
ER
1
2
V
.
5
A
MA
X
C
O
M
1
TX
R
X
TX
RX
C
OM
2
C
O
M
2
Bottom Plate
Filler Plate
Front Plate
Extron
PS 123
12 VDC, 3 A
Power Supply
Top Plate
R
E
D
-
O
V
E
R
L
O
A
D
P
/
S
1
2
3
1
2
V
D
C
3
A
P
O
W
E
R
S
U
P
P
L
Y
Extron
IPL T S2
Ethernet Control
Interface
Figure 12 — Components of the Extron PMK 450 kit
1. Using a Phillips screwdriver, remove the front and rear
plates.
2. Using the provided security wrench, remove the security
screws from the sides. Slide the top plate and lift it away
from the bottom plate.
3. Loosen the four pipe collar set screws to allow the top
plate to move freely along the pole.