Extron electronics DTP DVI 330 User's Guide download pdf (Page 14)

DTP HDMI 330 Tx/Rx Transmitter and Receiver • Installation and Operation 8

Power supply wiring

NOTES:

• One power supply is included with the transmitter and normally can power both

units.

• If you have removed the ground jumpers (see Disconnecting the Ground on

page 11) because of ground potential differences, one DTP HDMI 330 unit cannot

remotely power the other unit. Each unit requires a local power supply.

Figure 6 shows how to wire the connector. Use the supplied tie‑wrap to strap the power

cord to the extended tail of the connector.

Power Supply

Output Cord

Captive Screw

Connector

SECTION A–A

Ridges

Smooth

Tie Wrap

Figure 6. Power Connector Wiring

CAUTION: Electric shock hazard —

• The two power cord wires must be kept separate while the power supply is

plugged in. Remove power before wiring.

• The length and preparation of exposed wires is important (see the second and

third audio connector NOTES on page 6 for details).

ATTENTION:

• This product is intended to be supplied by a Listed Power Unit marked “Class 2”

or “LPS,” rated 12 VDC, 1.0 A minimum. Always use a power supply supplied by

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 a

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 6) 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.

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Extron electronics DTP DVI 330 User's Guide Page 14