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Power Supply Wiring
Figure 8 below shows how to wire the connector.
ATTENTION:
• Potential damage to property.
Power supply voltage polarity is critical. Incorrect voltage polarity can damage the
power supply and the transmitter or receiver. Identify the power cord negative lead
by the ridges on the side of the cord.
• The length of the exposed (stripped) copper wires is important. The ideal length is
3/16 inches (5 mm). Longer bare wires can short together. Shorter wires are not as
secure in the connector and could be pulled out.
To verify the polarity before connection, plug in the power supply with no load and check
the output with a voltmeter.
Power Supply
Output Cord
Captive
Screw
Connector
SECTION A–A
Ridges
Smooth
AA
3"
16 (5 mm) Max.
Figure 8. Power Connector Wiring
WARNING: Failure to follow these instructions may result in serious injury.
The two power cord wires must be kept separate while the power supply is plugged in.
Disconnect the power before wiring.
NOTES:
• Your transmitter/receiver pair may have shipped with a blue captive screw connector.
This blue connector can be plugged into either a blue or an orange power receptacle.
The blue connector does not have the extended tail or the included tie-wrap.
• Do not tin the power supply leads before installing in the direct insertion connector.
Tinned wires are not as secure in the connectors and could be pulled out of the
connector.
ATTENTION:
• Potential damage to property.
This product is intended to be supplied by a Listed Power Unit marked "Class 2"
or "LPS", rated 12 VDC, maximum 1.0 A. Always use a power supply supplied
or specified by Extron. Use of an unauthorized power supply voids all regulatory
compliance certification and may cause damage to the supply and the end product.
• 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.
• 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.
MTP 15HD RS Series • Installation and Operation 12