Extron Electronics SMB 100 User Manual

IMPORTANT:

Refer to www.extron.com for the

complete user guide, installation

SMB 100 Series • Installation Guide

instructions, and specifications.

The Extron SMB Series Surface Mount Boxes are designed for mounting various Extron architectural products, including wall plates, Architectural Adapter Plates (AAP), AAP Mounting Frames, and MediaLink® Controllers. Each box can be surface mounted on a tabletop or wall for convenient access to connectors and controls.

The back and bottom of the boxes feature AAP openings. Blank AAP panels are included to ll unused openings.

This guide provides information for a qualied, experienced installer to install an SMB surface mount box.

SMB 101

Single-gang Surface Mount Box

SMB 104

Four-gang Surface Mount Box

SMB 102

Two-gang Surface Mount Box

SMB 105

Five-gang Surface Mount Box

SMB 103

Three-gang Surface Mount Box

SMB 107

Seven-gang Surface Mount Box

Recommended Fasteners

Choose the appropriate type of screw or bolt for the mounting surface (see the table below). The mounting holes in the bottom panel of the SMB accommodate #6 or 1/4 inch screws.

Wall Type Fasteners Min. Size Fastener

Drywall Toggle bolts 3/16 inch At least 3 1/2 inch Min. 3/8 inch wall thickness

Solid wood Wood screws #6 with a washer At least 3 3/32 inch Min. 3/8 inch wall thickness

Masonry Masonry screws 1/4 inch At least 3 3/16 inch masonry bit Do not mount to masonry joints.

Quantity

Drill Bit Size Notes

Grounding

The bottom plate includes a #6‑32 stud insert for grounding; a grounding nut is included with each SMB.

Mounting the SMB

NOTES:

• This unit must be installed in accordance with the National Electrical Code and with all local codes.

• Ensure that the installation meets the local and state regulatory requirements, including building, electrical,

and safety codes, and ADA accessibility requirements.

• Ensure that there are no utility cables or pipes at the intended location that might be damaged or cause injury

when installing the box.

The SMB can be mounted on any interior wall type or on a tabletop. Knockouts allow for raceways to be run from the top or rear of the box. Install the cables into the wall or raceway before mounting the box or installing any devices in the SMB. The installation instructions apply to all models.

SMB Series Surface Mount Boxes • Installation Guide (Continued)

Mounting the SMB to a Surface

1. Find a suitable location and use a non‑permanent marker or tape to outline

at least one corner of the SMB perimeter on the surface.

To access the rear keyhole slots or other mounting holes, it may be necessary to remove the enclosure cover. To remove the cover, rst remove three screws on each side (six total), then lift the cover off.

2. Using the bottom plate, mark the pilot hole

locations for the:

a. three keyhole slots, or

b. two mounting holes.

NOTE: Alternately, 1/4 inch bolts can be

used in the larger portion of the keyhole slot. Mark the pilot holes accordingly.

3. If required, mark the location for the cable

Keyhole Slots (3)

access hole.

4. Drill 3/32 inch pilot holes for the keyhole slots

marked in step 2aor the mounting holes marked in step 2b.

z Cut cable access hole marked in step 3.

z If using the smaller portion of the keyhole

Grounding Stud

slots, insert screws into the pilot holes, but

5. Mount the SMB bottom plate with the fasteners.

6. If the cover was removed, replace it.

do not tighten until the bottom plate is slid into position.

Bottom Plate

Mark location of bottom plate.

SMB 103

Three-gang SMB (shown)

(Optional)

Mark Cable Access Location

Mounting Holes (2)

Cable Routing

Cables may access the SMB through the AAP openings and through raceway knockouts.

1. If cables enter the SMB through the rear panel, use the rear panel AAP openings. AAP modules are sold separately.

2. With the SMB fastened to the mounting surface, run all necessary cables through the pass‑through opening before installing

any device(s) into the SMB.

NOTE: A nut is provided for grounding installed devices.

3. Once the SMB is secured, cable the connections, then install the AAPs or other devices.

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68-2302-01 Rev.A 08 12