Product Category
MLC 60 Series • Setup Guide
for the MLC 62 RS EU and the MLC 62 RS MK
The Extron MLC 62 RS EU and the MLC 62 RS MK
are keypad controllers for use in classrooms and
meeting facilities. The EU model attaches to a
single size European electrical junction box with a
60 mm mounting center; the MK model mounts to
a single size MK junction box. The controllers have
backlit soft touch buttons and can control common
AV functions, including power, input switching, and
volume. Both models provide RS-232 serial and IR
ports for universal display control. A digital input
and two relays enable monitoring and controlling
of other devices in the room. Both models have
six-button and eight-button options.
DISPLAY
DISPLAY
ON
VOLUME
ON
OFF
OFF
VOLUME
PC
VIDEO
MUTE
PC
LAPTOP
VIDEO
MUTE
LAPTOP
Extron
Extron
MLC 62 RS EU
MLC 62 RS MK
NOTES:
•
Installation and service must be performed by authorized personnel only.
•
For full installation, configuration, and operation details, see the MLC 60 Series User Guide, available at
Installation Steps
1. Prepare the installation site.
Tx/
IR
2
Tx
1
C
RELAYS
N/O
PORT B PORT A
The MLC 62 EU and MK controllers can be installed in a
standard EU or MK one-gang electrical wall box:
IR/ S
RS-232
1
2
a. Install the electrical box, following the instructions
x
0 . 4 A m a
1 2
P W
T U P N I
L A T I G I D
C O N F I G
H O S T /
V
provided with it.
R
CAUTION:
Ensure that the junction box is
properly grounded.
1
R x x T
+
b. Prepare and pull the cables through the electrical
box.
Rear Panel
Left Side Panel
2. (Optional) Change the faceplate and buttons as needed.
a. Remove the faceplate from the MLC module as follows:
DISPLA
ON
VOL
Y
i.
On the right and left edges of the faceplate are two pairs of slots, into
which two small tabs on either side of the MLC fit. Insert the flat end
of a small screwdriver into each side slot (as shown at right) and press
inward until the tab is released from its slot.
OF
F
PC
VIDE
LAPTOP
ii. Lift the faceplate off the MLC circuit board.
O
MUTE
b. If desired, replace the buttons in the faceplate as follows:
i.
From the front of the faceplate, press the button membrane to be
replaced backward through its faceplate openings until it comes free.
If replacing the faceplate, repeat this step until all the buttons are
removed.
Slot
ii. On the back of the faceplate, set the new button membrane at the
desired location, with the two pegs in the upper-left and lower-right
Button
Membrane
Peg
corners of the membrane in the faceplate holes at opposite corners of the
row (see the illustrations at left and at right). Press the pegs and buttons
of the membrane into the faceplate.
MUTE
P
iii. Repeat step 2 b as needed.
LAPTO
Pegs (2)
Peg
1
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Product Category
z
Digital Input port — Connect a switch
or sensor to this port to control other
devices in the room that are connected to
the MLC serial, IR, or relay ports. The port
monitors the high and low states of the
connection between the switch or sensor
and the connected device. For the voltage
thresholds, a voltage below 1.0 VDC is
considered logic low, and a voltage above
1.5 VDC, logic high. When a threshold
between the states is crossed (from high
to low and vice versa), the selected action
occurs.
Two-position Switch
R
L
R
A
S
1
T
A
Ground
N
T
U
I
/
P
O
2
G
1
I
N
Digital Input
I
D
C
/
T
P
IR
Tx/
S
I/R
R x
O
H
S
C
F
T x
B
PROT
x
R
Tx
a
m
R
A
V
+
4
.
A
P W
0
1 2
By default, this port is configured with a
+5 VDC pull-up resistor for use with basic
non-powered switches. If the device being
connected has its own power source,
configure the port to disable the pull-up
mode (see the configuration program
help file for port setup procedures). To
wire this port, see the example above.
MLC RS EU or MK Rear Panel
R
L
R
A
1
T
A
N
T
U
I
Ground all devices.
/
P
O
2
G
1
I
N
I
A
D
C
P
IR
Tx/
I/R
R x
5. Connect and apply power.
S
H
T
C
F
T x
B
Ridges
PROT
R
Tx
Ground
12 VDC Input
R
Connect the included power supply to the
MLC Pwr connector as shown at right, then
connect power to all devices in the system.
V
+
A
P W
0
m a x
1 2
SECTION A–A
Smooth
Power Supply
Output Cord
MLC RS EU or MK
Rear Panel
A
6. Connect the MLC to the computer.
Use either of the following methods:
z
Connect a USB A-to-USB mini B cable
between the USB configuration
port on the MLC side panel and a USB
port on your computer as shown at
right; or
Mini Type B
Type A
USB
USB
U
PC
USB Cable
USB A
Ports
z
Wire an RS-232 cable to the provided
3-pole connector and connect it
between the MLC Host/Config port
and the computer serial port, as
shown below.
MLC 62 RS EU or MK
Left Side Panel
R
L
R
A
1
T
A
N
T
U
I
/
P
O
2
G
1
I
N
I
D
C
Ground
Transmit (Tx)
Receive (Rx)
5
3
2
Ground
Receive
Tx Transmit
/
T
P
IR
T
S
I/R
R x
O
Rx
H
S
C
F
T x
B
PROT
x
R
Tx
R
V
+
A
P
0
m a
1 2
9-pin HD
Connector
MLC 62 RS EU or MK
Rear Panel
1
5
9
6
To RS-232 Port on Computer
or Control System
7. Configure the MLC buttons and ports (see the MLC 60 Series Configuration Program Help File for the procedures).
a. Load and install the configuration software to your computer from the Extron website or the provided DVD.
b. Obtain device drivers. Drivers for the devices that will be connected to the MLC rear panel IR and serial ports can be
obtained from the provided MLC software DVD or downloaded from the Extron website at www.extron.com. You
can also obtain them using the configuration software if an Internet connection is available.
c. Upload the configuration to the MLC.
3
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8. Test the system to ensure that the MLC is functioning
properly.
9. Mount the MLC.
Before mounting the MLC to a wall or furniture, make
sure that all device cables are connected to the MLC rear
panel. Disconnect power at the source from all devices in
the system.
Metal Bracket
Electrical
Junction Box
a. Align the MLC wall frame to the metal mounting
bracket, which you attached to the mounting surface
in step 3.
b. Holding the wall frame in place on the bracket, press
the MLC into the frame until the two tabs on either
side of the unit snap into the opening of the metal
bracket, holding the MLC in place.
Y
DISPL
OFF
ON
VOLUME
VIDEO
PC
Wall Frame
MUTE
LAPTOP
Mounting the MLC 62 EU in a Raceway
Using a Spacer (Optional)
MLC 62 RS EU
If you are experiencing difficulty with the MLC staying in place when installed in a cable raceway, this may be due to a gap
between the metal mounting bracket and the wall frame.
When this gap exists, the tabs on the sides of the MLC do not reach the metal mounting bracket and the MLC does not snap
completely into the metal bracket.
You can remedy this situation by installing a spacer (provided with the MLC) between the metal mounting bracket and the
rim of the junction box. This spacer appears very similar to the metal mounting bracket, except that it has holes instead of
slots for the mounting screws, is engraved with the words “Optional Spacer” and “Place behind bracket,” and has a slightly
larger center opening than the metal mounting bracket.
Raceway
1. Mount the electrical box in the raceway.
2. Attach the spacer to the electrical box by inserting two of the included screws in the
holes at the sides of the spacer. Leave the screw heads protruding approximately
1/8 inch from the surface of the spacer.
Junction Box
3. With the “Front” label facing toward you, place the metal mounting bracket onto the
Mounting Bracket
spacer so that the screw heads pass through two of the slotted holes in opposite sides
of the bracket.
NOTE: Ensure that the surface of the mounting
Spacer
bracket containing the word “Front” is
facing out (away from the spacer and
Junction Box
junction box).
Metal Spacer
4. Rotate the mounting bracket as necessary to ensure that
the MLC will be positioned straight on the mounting
surface and not skewed to either side.
Metal Bracket
5. Tighten the screws to secure the bracket to the spacer.
6. Pull the cables through the electrical box and the wall
frame.
7. Disconnect power from all devices at the source and
connect all cables to the MLC.
Y
DISPL
F
OF
8. Align the wall frame with the metal mounting bracket
ON
VOLUME
on the mounting surface.
O
Wall Frame
MLC 62 RS EU
VIDE
PC
MUTE
LAPTOP
9. Press the MLC into the wall frame until the unit snaps
Cable Raceway
into place.
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Extron Headquarters
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+800.7339.8766
(Inside Asia Only)
1800.3070.3777
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+800.3987.6673
(Inside Europe Only)
+81.3.3511.7655
+81.3.3511.7656 FAX
+4000.398766
Inside China Only
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+971.4.2991880 FAX
+82.2.3444.1571
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+1.714.491.1500
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+1.919.863.1794
+65.6383.4400
+65.6383.4664 FAX
+91.80.3055.3777
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+31.33.453.4040
+31.33.453.4050 FAX
+86.21.3760.1568
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© 2012 Extron Electronics — All rights reserved. All trademarks mentioned are the property of their respective owners. www.extron.com
68-2166-51 Rev. A
4
03 12
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