
MBD 129 Through-Desk Mounting Kit (Part # 70-077-02)
FRONT
Mounting 
Screws
Housing 
Screws
Extron Electronics, USA
800.633.9876 714.491.1500  
FAX 714.491.1517
Extron Electronics, Europe
+800.3987.6673 +31.33.453.4040 
FAX +31.33.453.4050
Extron Electronics, Asia
+800.7339.8766 +65.6383.4400  
FAX +65.6383.4664
Extron Electronics, Japan
+81.3.3511.7655 
 FAX +81.3.3511.7656
www.extron.com
Installation Instructions for RGB 109xi and RGB 160xi
This guide contains instructions for through-furniture mounting of only the Extron 
RGB 109xi, 112xi, 160xi and 164xi interfaces using the MBD 129 kit:
1. If necessary, remove the feet from the bottom of the interface unit.
2. Remove the housing screws holding the top and bottom halves of the unit 
together (two screws on each side and one screw 
on the top). See the illustration to the right.
3. Slide the bottom half forwards until the back 
panel is clear of the BNC connectors. Carefully 
lift the top half away from the bottom half.
N
4. Align the holes in the mounting bracket with the 
5. Secure the bracket to the side of the unit using the 4-40 screws and washers (four 
6. Reassemble the unit by bringing the top and bottom halves together and guiding 
  Avoid placing strain on the power cable 
between the top and bottom halves.
mounting holes in the side panel of the interface unit.
of each provided with the mounting kit) and hexagonal nuts (four provided 
with the interface). The screws must hold the unit in postition but let it slide up 
and down with minimal force.
the BNC connectors through the holes in the back panel. Fasten the top and 
bottom halves together with the housing screws removed in step 3.
7. Mark the position where the hole will be cut in 
the furniture to accommodate the unit. See the 
illustration to the right.
8. Cut the hole and test that the unit moves 
easily through the hole. If necessary, use a 
rasp or coarse file to enlarge the hole.
9. Hold the unit, with the mounting brackets 
attached, under the furniture where it will 
be secured. Mark where the screws will attach 
the mounting bracket to the underside of the 
furniture.
10. Drill four pilot holes 3/32” (2 mm) in diameter 
and 1/4” (6 mm) deep.
11. Secure the unit to the furniture with the wood 
screws (four provided with the mounting kit). See 
the illustration at right.
68-1480-01
Rev A
10 07