Extron-electronics MTP 15HD RS Series User Guide Rev. C User Manual download pdf (Page 18)

Power Supply Wiring and Grounding

Figure 7 shows how to wire and ground the connector.

CAUTION: Failure to follow these instructions may result in minor injury. The

two power cord wires must be kept separate while the power supply is plugged in.

Disconnect the power before wiring.

ATTENTION:

• 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.

• 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 inches (5 mm). Longer bare wires can short together. Shorter wires are not as

secure in the connector and could be pulled out.

Extron twisted pair products can be adversely affected by electrostatic discharge (ESD) if

they are not grounded correctly. To prevent malfunctions or product damage, an installer

can correctly ground an Extron twisted pair product by following the diagram in ﬁgure 7.

Ground the power port by inserting one end of the grounding wire to the negative or ground

pin on the power input connector.

Power Supply

Output Cord

SECTION A–A

Ridges

Smooth

Tie

Wrap

Rear

Panel

Ridges

Earth

ound

3/16"

(5 mm)

Max.

POWER

12V

0.5A MAX

Figure 7. Power Connector Wiring and Grounding

NOTE: Do not tin the power supply leads before installing in the captive screw

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

the connector.

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Extron-electronics MTP 15HD RS Series User Guide Rev. C User Manual Page 18