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QuickMedia Distribution System Crestron QM-MD4x2
4. Repeat procedure (steps 1 through 3) to attach the remaining ear to the
opposite side.
Stacking
Four "feet" are provided with the MD4x2 so that if the unit is not rack mounted, the
rubber feet can provide stability when the unit is placed on a flat surface or stacked.
These feet should be attached prior to the hookup procedure. Refer to the illustration
below for placement of the feet.
Feet Location (Bottom View of Unit)
ATTACH FEET
NEAR CORNERS
OF THE UNIT
Hardware Hookup
Refer to the following hookup diagram and, aside from attaching power last,
complete the connections in any order. Refer to “Network Wiring” on page 9 when
making network connections.
NOTE: To prevent overheating, do not operate this product in an area that exceeds
the environmental temperature range listed in the table of specifications.
Consideration must be given if installed in a closed or multi-unit rack assembly since
the operating ambient temperature of the rack environment may be greater than the
room ambient. Contact with thermal insulating materials should be avoided on all
sides of the unit.
NOTE: The maximum continuous current from equipment under any external load
conditions shall not exceed a current limit that is suitable for the minimum wire
gauge used in interconnecting cables. The ratings on the connecting unit's supply
input should be considered to prevent overloading the wiring.
Hardware Connections for the QM-MD4x2 (Back of the Unit is Shown)
QM INPUTS:
QUICKMEDIA PORT CARRIES AUDIO, VIDEO,
RGB, MICROPHONE, AND CRESNET SIGNALS
QM OUTPUTS:
QUICKMEDIA PORT CARRIES AUDIO, VIDEO,
RGB, MICROPHONE, AND CRESNET SIGNALS
CRESNET:
TO CONTROL SYSTEM AND
OTHER CRESNET DEVICES
POWER:
24 VDC TO
QM OUTPUTS 1 AND 2
POWER:
24 VDC TO
QM INPUTS 1 - 4
21
Z24 Y G Y24
24
OUT
24
3
YGZ24ZG
IN
4
24
GZY
QM
G
24
1
QM
G
24 GZY
2
YZG
16 QuickMedia Distribution System: QM-MD4x2 Operations Guide - DOC. 6278