Installation guide
Crestron MediaManager™   Applications Guide 
QM-MD8x8: MediaManager Matrix Switcher 
The QM-MD8x8 has eight QuickMedia inputs and eight matrixed QuickMedia 
outputs. Connecting an MP2 controller/switcher to the QM-MD8x8 via Cresnet 
results in a complete control system capable of controlling everything in a room 
including source selection, lights, shades, screens, displays, and audio. 
Connect the outputs of the QM-MD8x8 to QM-RMCRX QuickMedia Receivers. 
Each QM-RMCRX can convert the applied QuickMedia signal to RGB, 
composite video, S-video, and line audio. QM-MD8x8 features include the 
following. 
Eight QuickMedia input ports • 
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Eight QuickMedia output ports 
Cresnet control 
Cresnet power distribution terminals 
Matrix switch plus audio-breakaway 
Switch on/off local-control panel 
─  Operates as stand-alone without Cresnet communications 
─  When operating in Cresnet mode, local controls can be active or 
locked-out for security 
─  Control processor can sense when the switcher is operating in 
local-control mode 
QM-MD8X8 Front and Rear View 
Applications Guide – DOC. 6244    Crestron MediaManager™ •  
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