User Guide Architectural Mounting Frames MLM-WB+ Lockable Metal Wall Box 68-609-01 Rev.
Safety Instructions Safety Instructions • English WARNING: This symbol, , when used on the product, is intended to alert the user of the presence of uninsulated dangerous voltage within the product’s enclosure that may present a risk of electric shock. ATTENTION: This symbol, , when used on the product, is intended to alert the user of important operating and maintenance (servicing) instructions in the literature provided with the equipment.
FCC Class A Notice This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC rules. The Class A limits provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications.
Conventions Used in this Guide Notifications the following are used: WARNING: A warning indicates a situation that has the potential to result in death or severe injury. CAUTION: A caution indicates a situation that may result in minor injury. ATTENTION: Attention indicates a situation that may damage or destroy the product or associated equipment. NOTE: A note draws attention to important information. Specifications Availability Product specifications are available on the Extron website, www.extron.com.
Contents Introduction.................................................... 1 About this Guide................................................ 1 About the MLM-WB+......................................... 1 Features Diagram............................................... 2 Installation...................................................... 3 Installation Overview.......................................... 3 Accessibility Requirements................................ 4 UL Requirements.............................
MLM-WB+ • Contents vi
Introduction This section gives an overview of the capabilities of the Extron MLM-WB+ wall box and provides a diagram of its features. The following topics are covered: • About this Guide • About the MLM-WB+ • Features Diagram About this Guide This guide contains a description and specifications of the MLM-WB+ wall box and provides installation instructions.
Features Diagram Figure 1 shows the parts of the MLM-WB+. AAPs MLC 226 IP L X AU EO VID3 DVD 6 2 PRO TOR JEC OF ON E LUM F O AUTGE IMA TE MU VCR 5 PC 1 4 LAP TOP FIG CON IR C 226 IP L ML VO UCM RAAP 4U Rack Enclosure MediaLink Switcher A 6M r tche S 40 Swi ML nk iaLi Med L TRO CON K PEA CLIP AL SIGN 6 5 ECT T SEL 4 INPU 3 2 1 ING RD CO ssive RE gre /-Rema Pro Cin D-RW ion DVPrecis DVD Player Cam Lock Figure 1.
Installation This section contains instructions for installing the MLM-WB+ and for connecting cables to equipment in the wall box.
4. Route the audio, video, control, and power cables of the electrical devices through the small rectangular openings on top of the MLM-WB+. Remove the left and right side panels and continue routing these cables to the lower part of the enclosure (see Routing Cables into the MLM-WB+ on page 13). 5. Install all devices into the MLM-WB+ 2U and 4U rack enclosures.
The MLM-WB+ must be mounted with the bottom edge at a maximum of 27 inches (68.6 cm) above the finished floor. This regulation was created to ensure that the blind or visually impaired, using a cane or guide animal, will be able to detect the MLM-WB+ without collision. Extron MLM-WB+ MediaLink Wall Box 27” (68.6 cm) or lower Figure 2. MLM-WB+ as a Protruding Object Along a Wall The topmost controls of devices housed in the MLM-WB+ must be 48 inches (122 cm) or less from the finished floor.
Recommended Installation The following illustrates the recommended placement of the MLM-WB+. It complies with the safety and accessibility ADA requirements for most locations. 7.5" (19.0 cm) 18.5" (47.0 cm) 50.0" (127 cm) Overall Height 3.0" (7.6 cm) 48.0" (122.0 cm) Max Height for Control Buttons per Wheelchaired ADA Requirements 21.0" (53.3 cm) Per ADA Requirements for Blind or Visually Impaired Figure 4.
Components, Hardware, and Required Tools The illustrations in this section identify the components of the MLM-WB+ and the mounting hardware provided with it. Also included is a list of tools required to perform the installation. The installation steps in this section refer to these components, hardware, and tools. Main MLM-WB+ Components 12" (30.5 cm) and 16" (40.6 cm) OC Spaced Mounting Slots Extension Damper 2U Rack Enclosure Cable Opening (2 per side) Work Space/ Equipment Cover (Max.
Required Tools To install the MLM-WB+ you need the following tools: • Phillips screwdriver • Pencil • Flat head screwdriver • 3/8-inch wrench or ratchet • Drill with drill bits • Wire cutter • Level Adjusting the Door Angle Before mounting the MLM-WB+, ensure that the door opens to a 90º angle. To adjust the door angle: 1. Set the MLM-WB+ upright on a flat surface and open the door. CAUTION: Risk of Bodily Injury: If not properly secured in place, the MLM-WB+ can potentially fall forward. 2.
Mounting the MLM-WB+ The procedures in this section enable you to securely mount the MLM-WB+ to a masonry or nonmasonry wall. These procedures assume that you have already unpacked the MLM-WB+ and installed necessary cables into the wall or conduits in conformance with local and national electrical codes and equipment size requirements. ATTENTION: Potential Damage to Property: All installation and service procedures should be performed by a qualified Extron installer or an electrician.
MLM-WB+ mounting 4corners.eps FIG_Mounting hole locations 4. Figure 8. MLM-WB+ Mounting Hole Locations (Viewed from the Front) NOTE: To more clearly indicate where mounting holes should be marked, the rear panel of the MLM-WB+ is shown. 5. Using a masonry drill bit, drill pilot holes in the wall at the locations you marked in step 2; make the holes 1.75 inches (4.4 cm) deep. ATTENTION: Potential Damage to Property.
Mounting the MLM-WB+ on a Nonmasonry Wall NOTE: On nonmasonry walls, the MLM-WB+ must be attached to at least one stud. The recommended installation suggests that the wall box be attached to two wall studs or to a concrete or masonry wall. 1. Locate the wall studs in the area where you will install the MLM-WB+, and use a pencil to mark their locations on the wall. 2.
7. Install a self-tapping screw and washer in each slotted mounting hole ( lined up with a wall stud: ) location a. Prepare the screw for installation by inserting it through a flat metal washer (1 inch [2.5 cm] outer diameter and 0.25 inch [0.6 cm] inner diameter). b. Insert the screw and washer into one of the pilot holes on the wall. NOTE: At this time, install only screws that line up with slotted mounting holes on the MLM-WB+. c.
9. Align the slotted mounting holes ( ) A in the back of the MLM-WB+ with the screws or toggle bolts in the wall. Move the MLM-WB+ forward over the washers and down as shown at right. B + + 10. Insert a self-tapping screw and washer into each round mounting hole on the MLM-WB+ enclosure for which you drilled a pilot hole. 11. Tighten the screws and toggle bolts to secure the MLM-WB+ to the wall.
Installing AV and Control Cables This section explains how to route AV and control cables through the MLM-WB+. NOTE: To reduce electromagnetic interference, route the AV and control cables separately from the power cables. 1. Remove the right, left, or both side panels from the MLM-WB+ by loosening the nuts on the inside of the unit and then pushing the panels out. Set the panels aside. Loosen nut to remove side panel. Figure 11. Removing the MLM-WB+ Side Panels 2.
Figure 12. Routing AV Cables through the MLM-WB+ Side Panel Installing Equipment This section explains how to install and cable equipment in the 2U rack enclosure and the 4U rack enclosure. Installing and Cabling Equipment in the 2U Rack Enclosure The 2U rack enclosure accommodates 1U and 2U faceplates or any Extron quarter rack wide by 3 inches deep product mounted using an Extron 3.5 inches deep rack shelf (see www.extron.com for part numbers). 1.
D DV R OJ PR TO EC R F TO AU GE IMA OF ON VO Ex tro ME LU TE MU VC X AU EO VID3 6 2 5 PC 1 4 LAP TOP 6 IP L C 22 ML FIG CON IR n Figure 13. Installing Faceplate-mounted Equipment in the 2U Rack Enclosure Installing and Cabling Equipment in the 4U Rack Enclosure The 4U rack enclosure is designed to hold full-rack wide equipment such as switchers, VCRs, and DVD players. 1.
2. Remove the screws attaching the adjustable clamp brackets to the inside of the enclosure. Set the brackets and cover aside. 3. Stack equipment on the door, making sure not to exceed the maximum equipment height of 5.5 inches (14.0 cm) or the maximum rack depth of 16.0 inches (40.6 cm). ATTENTION: Potential Damage to Equipment. Be careful not to scrape the equipment against the cam lock of the door. NOTES: • Remove rubber feet from the bottom of any equipment you are mounting using rack ears.
• Using mounting screws to secure each piece of equipment with rack mounting ears to the holes in the enclosure AUX EO VID3 DVD 6 2 PRO TOR JEC O AUTGE IMA OFF TE MU ON UM E VCR 5 PC 1 4 LAP TOP IG CONF IR C 226 IP L ML VOL Ex tro n 5 IP TEM SYS UT INP ME VO LU AUD CLIP PC 5 O VIDE IO L NORMA SIGNAL EM ST ER SWITCH SW ST ADJU T NEX U MEN ION CT LE SE UT LAP INP DVD VCR P KTO L RO PC NT OM RO AY PL M ROOAY REL1 DIS CO M ROOAY REL2 M ROOAY REL3
AUX EO VID3 DVD 6 2 PRO TOR JEC F O AUTGE IMA OF TE MU ON UM E VCR 5 PC 1 4 TOP LAP IG CONF IR C 226 IP L ML VOL Ex tro n Figure 17. Securing Cables to the Cable Guide 3. Replace the left and right side panels. Hand tighten the nuts that hold each side panel in place. NOTE: Do not overtighten the nuts. 4. Completely tighten the mounting screws for the faceplates or rack shelves in the 2U rack enclosure. 5. Close and lock the door.
Adjusting the Door Lock By default, the key to the door lock cannot be removed when the door is unlocked. To adjust the lock so that the key can be removed at any time: 1. Remove the nut, washer, and cam and set them aside. 2. Remove the cam, flip it over, and then thread it back onto the screw. 3. Replace the cam, washer, and nut and tighten securely. Nut Washer Cam Flip Figure 18.
Extron Warranty Extron Electronics warrants this product against defects in materials and workmanship for a period of three years from the date of purchase.
