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Nortel Business Series Installation Manual page 9

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Wire and mount the BST Doorphone
1. Remove the BST Doorphone's faceplate.
2. Determine if you want a surface or flush mount installation.
For a surface mount:
- Discard the flush mount
gasket
- Verify the correct orien-
tation of the gasket.
- Thread the wires
through the center hole,
then through the sur-
face mount bracket.
- Fasten the surface
mount bracket at the
desired location on the
wall.
OR
For a flush mount (into an
electrical box embedded
in the wall):
- Discard the surface
mount bracket and
gasket.
- Slide the flush mount
gasket onto the main
housing assembly.
Surface mount
Surface mount gasket
Surface mount
bracket
Flush mount
Wall
Flush mount
gasket
7
Main housing
assembly
Faceplate
Main housing
assembly
Faceplate

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