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Power Supply Wiring
NOTES:
Figure 10 shows how to wire the connector. Snap the provided ferrite bead onto the DC
power cable, between the power supply and the connector on the HDMI unit.
A
Figure 10.
WARNING:
ATTENTION:
NOTE: Do not tin the power supply leads before installing them in the direct insertion
•
Only one power supply is required. A single power supply connected to either unit
in the pair powers both units.
•
A power supply is included with each individually-packaged transmitter.
3/16"
(5 mm) Max.
Smooth
Ridges
A
Captive Screw
Connector
SECTION A–A
Power Supply
Output Cord
Power Connector Wiring
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 supplied and 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. Unless otherwise stated, the
AC/DC adapters are not suitable for use in air handling spaces or in wall cavities.
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.
•
Power supply voltage polarity is critical. Incorrect voltage polarity can damage
the power supply and the unit. The ridges on the side of the cord (see figure 10)
identify the power cord negative lead.
•
To verify the polarity before connection, plug in the power supply with no load and
check the output with a voltmeter.
•
The length of the exposed (stripped) copper wires is important.
The ideal length is 3/16 inch (5 mm). Longer bare wires can short together.
Shorter wires are not as secure in the connectors and could be pulled out.
connector. Tinned wires are not as secure in the connectors and could be pulled out.
DTP HDMI 230 D Transmitter and Receiver • Installation and Operation
11
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