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a Power connector — Connect the included 12 VDC external power supply into the
2-pole 3.5 mm captive screw connector. Be careful to observe the correct polarity.
SECTION A–A
Power Supply
Output Cord
Ridges
A
Smooth
A
Ridges
Smooth
2-Pole Orange
Captive Screw
Connector
(12V)
Tie Wrap
3/16”
(5 mm) Max.
Figure 2. Power Supply Wiring
Use the supplied tie-wrap to strap the power cord to the extended tail of the connector.
ATTENTION:
• The two power cord wires must be kept separate while the power supply is
plugged in. Remove power before wiring.
• Always use a power supply specified by Extron Electronics for the DMP64. Use
of an unauthorized power supply voids all regulatory compliance certification and
may cause damage to the supply and the DMP64.
• When connecting the power supply, voltage polarity is extremely important.
Applying power with incorrect voltage polarity could damage the power supply
and the DMP64. Identify the power cord negative (ground) lead by the ridges on
the side of the cord or a black heat shrink wrapping around it.
• Unless otherwise stated, the AC/DC adapters are not suitable for use in air
handling spaces or in wall cavities. The power supply is to be located within the
same vicinity as the Extron AV processing equipment in an ordinary location,
Pollution Degree 2, secured to the equipment rack within the dedicated closet,
podium or desk.
• The installation must always be in accordance with the applicable provisions of
National Electrical Code ANSI/NFPA 70, article 75 and the Canadian Electrical
Code part 1, section 16. The power supply shall not be permanently fixed to
building structure or similar structure.
NOTES:
• The length of the exposed (stripped) copper wires is important. The ideal length
is 3/16 in (5mm). Longer bare wires can short together. Shorter wires are not as
secure in the direct insertion connectors and could be pulled out.
• Do not tin the stripped power supply leads. Tinned wires are not as secure in the
captive screw connectors and could be pulled out.
• To verify the polarity before connection, check the no load power supply output
with a voltmeter.
• To avoid losing adjustments when configuring the DMP64 via SIS commands,
issue a 2FF or if using the Extron DSPConfigurator, select Tools > Save
changes to device to store the latest changes to the device. Wait several
minutes after saving the adjustments before disconnecting power.
DMP64 • Installation 6