Crestron QM-MD8x8 Spezifikationen PDF herunterladen (Seite 16)

8X8 QuickMedia

Matrix Switcher Crestron QM-MD8X8

Setup

Network Wiring

When wiring the Cresnet network, consider the following:

• Use Crestron Certified Wire.

• Use Crestron power supplies for Crestron equipment.

• Provide sufficient power to the system.

CAUTION: Insufficient power can lead to unpredictable results or damage

to the equipment. Please use the Crestron Power Calculator to help calculate

how much power is needed for the system (

www.crestron.com/calculators).

• For networks with 20 or more devices, use a Cresnet Hub/Repeater

(CNXHUB) to maintain signal quality.

For more details, refer to “Check Network Wiring” on page 24.

QuickMedia Wiring

The Crestron QuickMedia cable (sold under the name “CresCAT-QM”) contains one

CAT5E cable and one Cresnet cable in Siamese jackets. Installation of any QM

device is as simple as installing CresCAT-QM wires from the output of one device to

the input of another. Installations are flexible, affordable and fast. For more

information, refer to the latest revision of the Crestron MediaManager Applications

Guide (Doc. 6244), which is available for download from the Crestron website.

CresCAT-QM Cable

CresCAT-QM

Cable

NOTE: Do not untwist the two wires in a single pair for more than 1/3-1/2”

(0.84-1.27 cm) when making a connection. The twists are critical to canceling out

interference between the wires.

The aggregate cable length of a signal path originating at a QM transmitter and

terminating at a QM receiver must not exceed 450 feet (137 meters). Video signals

12 • 8X8 QuickMedia

Matrix Switcher: QM-MD8X8 Operations Guide – DOC. 6572A

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Crestron QM-MD8x8 Spezifikationen Seite 16