Extron MBD 249 User manual

  • Hello! I am an AI chatbot trained to assist you with the Extron MBD 249 User manual. I’ve already reviewed the document and can help you find the information you need or explain it in simple terms. Just ask your questions, and providing more details will help me assist you more effectively!
Installation Guide — MBD 249
(Continued on reverse side)
The Extron
®
MBD 249 Under-Desk Mount Kit (part number 70-155-01) lets you attach an Extron
2U high device to an equipment rack or through a desk or table.
• Forrackmountinginstructions,seetheprocedurebelow.
• Forthrough-deskmountinginstructions,seethenextpage(reverseside).
Rack mounting
UL rack mounting guidelines
ThefollowingUnderwritersLaboratories(UL) guidelines pertain to the safe installation of
electronic equipment in a rack.
1. Elevated operating ambient temperature — If installed in a closed or multi-unit rack
assembly,theoperatingambienttemperatureoftherackenvironmentmaybegreaterthan
roomambienttemperature.Therefore,installtheunitinanenvironmentcompatiblewith
the maximum ambient temperature (Tma) specified by Extron.
2. Reduced air flow—Installtheequipmentinaracksothattheamountofairowrequired
for safe operation of the equipment is not compromised.
3. Mechanical loading — Mount the equipment in the rack so that a hazardous condition is
not achieved due to uneven mechanical loading.
4. Circuit overloading — Connect the equipment to the supply circuit and consider the
effectthatcircuitoverloadingmighthaveonovercurrentprotectionandsupplywiring.
Appropriateconsiderationofequipmentnameplateratingsshouldbeusedwhen
addressing this concern.
5. Reliable earthing (grounding) — Maintain reliable grounding of rack-mounted equipment.
Pay particular attention to supply connections other than direct connections to the branch
circuit(forexample,useofpowerstrips).
Instructions
Step 1 — Attach brackets to the device
Attach brackets to the device using eight machine
screwssuppliedwiththemountingkit.Usethe
bracket’s four lowerholes,asshowninthe
diagrambelow.
Step 2 —
Attach brackets to
the rack
Using four machine
screws,attachthe
brackets to the
mounting rack.
MBD 249
2U Rack Mount
Bracket (use four
lower holes)
Installation Guide — MBD 249 (cont’d)
Extron USA - West
Headquarters
+800.633.9876
Inside USA / Canada Only
+1.714.491.1500
+1.714.491.1517 FAX
Extron USA - East
+800.633.9876
Inside USA / Canada Only
+1.919.863.1794
+1.919.863.1797 FAX
Extron Europe
+800.3987.6673
Inside Europe Only
+31.33.453.4040
+31.33.453.4050 FAX
Extron Asia
+800.7339.8766
Inside Asia Only
+65.6383.4400
+65.6383.4664 FAX
Extron Japan
+81.3.3511.7655
+81.3.3511.7656 FAX
Extron China
+400.883.1568
Inside China Only
+86.21.3760.1568
+86.21.3760.1566 FAX
Extron Middle East
+971.4.2991800
+971.4.2991880 FAX
© 2009 Extron Electronics. All rights reserved.
68-620-01
Rev. C
09 09
Through-desk mounting
Step 1 — Attach brackets to the device
Attach brackets to the device using the bracket’s slotted holes and eight supplied machine
screwsandwashers(fourperside),asshowninthepicturebelow.
Step 2 — Mark
screw locations
Holdthedevicewithattached
brackets against the underside of
thefurniture,andmarkthescrewhole
locations(centersofthebrackets’screwslots).
Step 3 — Drill holes
Drillfourpilotholes,each3/32inches(2mm)in
diameter,¼inch(6mm)deep,atthelocationsmarkedinstep2.
Step 4 — Install screws
Usingthefourwoodscrews(provided),attachthebracketstothemountingsurfaceand
securelytightenallscrews.
Step 5 — Adjust device height
Ifdesired,loosenthescrewsinstalledinstep1andraiseorlowerthedeviceslightlytoadjust
itsheightwithinthefurniture,thentightenthescrewssnugly.
www.extron.com
1/2