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M70 EXPLODED VIEW:

M70 JUNCTION BOX ASSEMBLY

M70 WITH 

THREADED POST 

AND KNURLED NUT

• 

REMOVE M70 MIC FROM JBM70 

• 

REMOVE FOAM FOR EASY ACCESS TO JMB70 BOX

• 

DRILL 2 INCH HOLE IN THE CEILING TILE

• 

PLACE JBM70 BOX OVER THE CEILING TILE 2 INCH HOLE

• 

INSERT M70 THROUGH HOLE “A” AND ROTATE TO HOLE “B”

• 

SECURELY TIGHTEN THE KNURLED BRASS FASTENERS

• 

INSERT FOAM BACK INTO JBM70

• 

INSERT PLENUM WIRE (BELDEN 9451P OR 82761 OR EQUIVALENT THROUGH STRAIN RELIEF. (SEE #2)

• 

TERMINATE TO PHOENIX CONNECTOR. (SEE #3)

• 

INSTALL TO M70 MATING CONNECTOR (SEE #4)

• 

TIGHTEN STRAIN RELIEF AND CLOSE LID OF JMB70 BOX (SEE #5)

• 

ADJUST MIC POSITION (SEE #6)

SLIDE THE THREADED POSTS INTO 

HOLE “A”. TWIST CLOCKWISE TO HOLE 

“B” AND TIGHTEN THE KNURLED NUTS 

SECURELY.

MALE & 

FEMALE 

PHOENIX 

CONNECTORS

JBM70 PLENUM 

RATED BOX

BRASS 

STRAIN 

RELIEF FOR 

OUTER CABLE

BOTTOM VIEW OF 

JUNCTION BOX

CEILING TILE 

WITH 2″ HOLE

A

B

B

A

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