Installation and Operation, cont’d

Terminating shielded cable

NThe transmitter and receiver pair works with unshielded twisted pair (UTP) or shielded twisted pair (STP) cables; but, to ensure FCC Class A and CE compliance, STP cables are recommended.

The Tx/Rx includes four shielded RJ-45 connectors and a length of self-adhesive shielded tape that you can use to make the STP cables that connect the transmitter and receiver.

NExtron supplies the connectors and the shielded tape. You must supply the CAT 5, 5e, or 6 STP cable.

Terminate the STP cable as follows:

1.

Peel back the cable shielding (figure 2-21) from the

 

end of the cable the length of the RJ-45 connector body

 

(approximately 7/8" [2.2 cm]) and fold it back.

Peel back shield and fold back.

Figure 2-21 — Peeling back the cable shielding

2.

Cut away and discard the clear cellophane inner wrapper

 

from the end of the cable back to the folded-over cable

 

shielding.

3.

Peel the backing off the self-adhesive shielded aluminum

 

tape and wrap it around the folded-over cable shielding,

 

slightly overlapping the beginning of the tape

 

(figure 2-22).

Aluminum Tape

Wrap tape around folded foil shielding.

Slightly overlap.

 

 

Cut and save the excess tape

 

for other connectors.

Figure 2-22 — Wrapping the shielded tape

4.

Cut the unused portion of the shielded tape and retain for

 

shielding other RJ-45 connectors.

5.

Crimp the RJ-45 cable in the normal manner, folding the

 

tangs at the end of the connector over the shielded tape

 

(figure 2-23).

Crimped Connector

Figure 2-23 — Crimped RJ-45 connector

Power supply wiring

N• 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 2-24 shows how to wire the connector.

CPower 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 (figure 2-24).

To verify the polarity before connection, plug in the power supply with no load and check the output with a voltmeter.

Non-Decora units

Smooth Ridges

A

A

 

 

 

SECTION A–A

 

Power Supply

Tie Wrap

 

Output Cord

 

3 5

 

 

 

 

DC Power Cord

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(between power supply

 

 

 

 

 

 

 

 

 

 

 

 

Ferrite Bead

and DVI unit

Orange Captive

 

 

 

 

power connector)

Screw

 

 

 

 

 

Connector

Figure 2-24 — Power connector wiring

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

power before wiring.

2-24 DVI 201 Tx/Rx • Installation and Operation

DVI 201 Tx/Rx • Installation and Operation 2-25

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Extron electronic 68-1034-02 Rev. A user manual Terminating shielded cable, Power supply wiring
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68-1034-02 Rev. A specifications

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