Crestron QM-MD8x8 Dokumentacja Pobierz pdf (Strona 12)

QuickMedia Distribution System Crestron QM-MD8x8

QM POWER

G24

The MD8x8 contains four 2-position block terminal block connectors that provide

24VDC power to the Cresnet ports in each of the four QM port groups. Power to the

QM power ports can be supplied by the Crestron C2N-SPWS300 External 300 Watt

Power Supply or the Crestron CN-PWS75 External 75 Watt Power Supply. For more

information, refer to “Hardware Hookup” on page 17.

NET

24 GZ

This 4-position terminal block connector is used to connect the MD8x8 to the

Cresnet system. Data and power for the MD8x8 are provided via the connection.

Refer to “Network Wiring” on page 10.

Indicators & Pushbuttons

The MD8x8s indicators and pushbuttons are described in the following paragraphs.

PWR (Power)

This LED, located on the front panel, illuminates when 24 VDC is supplied to the

MD8x8.

NET

This LED, located on the front panel, illuminates when communication between the

control system and the MD8x8 is established (the unit is polled on the network).

Illumination indicates that the SIMPL Windows program currently loaded has a

network device defined at the same Net ID as the MD8x8. The LED flashes when

communication with the processor occurs.

AUDIO BREAK

When operating in the local mode, press this button to enable separate switching of a

QM signal’s audio and video portions. Push again to disable this feature and enable

simultaneous switching. When the accompanying LED is illuminated, a QM signal’s

audio and video portions can be switched separately. When the LED is not

illuminated, the QM signals audio and video portions are switched simultaneously.

For more information on the MD8x8’s operating modes, refer to “Operating Modes”

on page 30.

Press this button to switch the audio portion of QM signals when operating in the

local mode. When the accompanying LED is illuminated, only the audio portion of a

QM signal will be switched. Audio can be switched separately from video only when

the AUDIO BREAK LED is illuminated.

While in the system mode, pressing A will indicate where the audio portion of a

signal is routed. For more information on the MD8x8’s operating modes, refer to

“Operating Modes” on page 30.

Press this button to switch the video portion of a QM signal when in the local mode.

When the accompanying LED is illuminated, only the video portion of a QM signal

will be switched. Video can be switched separately from audio only when the

AUDIO BREAK LED is illuminated.

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