Extron electronic VLM 1000 用户手册

The housing attaches to the 

receiver dome, and the back plate 

mounts to a ceiling tile or a wall.   

Protects the receiver base plate 

and connectors.  The housing 

contains knockouts for different 

sizes of raceways, and the back 

plate contains knockouts for 

conduits.  

The mounting screw passes 

through the receiver’s back 

plate, through the hole in the 

ceiling tile, then through the ring 

in the bracket.  The bracket is 

attached to the screw on the back 

side of the ceiling tile.

Fastens the receiver to a tile in a 

drop ceiling.

Raceway Knockouts (2)

Conduit Knockouts (2)

Receiver 
Housing

Back Plate

For instructions on the type of installation you are planning, proceed to one of the pages listed below:
• 

Drop ceiling — page 2-4

Junction box — page 2-6

Wall or other hard surface — page 2-7