Extron-electronics DVI 201 User Guide User Manual download pdf (Page 28)

Power supply wiring

NOTES: • Only one power supply is required. A single power supply connected to

either unit in the pair powers both units.

• A single power supply is included with systems packaged as a pair.

• A power supply is also included with each individually-packaged transmitter.

Figure 25 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 DVI unit. For non-

Decora units only, use the supplied tie-wrap to strap the power cord to the extended tail

of the connector.

Power Supply

Output Cord

SECTION A–A

Ridges

Smooth

A A

NOTE

Captive Screw

Connector

Decora units have a

shorter connector,

without the tie wrap.

Tie Wrap

Ferrite Bead

DC Power Cord

(between power supply

and DVI unit

power connector)

Figure 25. Power Connector Wiring

CAUTION: 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.

CAUTION: 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

(ﬁgure 25) 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.

WARNING: The two power cord wires must be kept separate while the power supply

is plugged in. Remove power before wiring.

CAUTION: 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.

NOTE: Do not tin the power supply leads before installing them in the direct insertion

connector. Tinned wires are not as secure in the connectors and could be

pulled out.

DVI 201 • Installation and Operation 24

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Extron-electronics DVI 201 User Guide User Manual Page 28

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