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3.
Run a standard 3-pair cable from
the Norstar system to the BST
Doorphone location.
Use one pair to connect the "KSU"
terminals of the BST Doorphone to
a reserved station port on the
Norstar system.
Strip wires 6 mm (1/4 inch) before
inserting them in the terminal block
and tightening.
Note: The second pair can be used to connect an optional DOC,
leaving a spare pair for a SAPS installation. For information on
DOC, see "Optional equipment" on page 14.
4. Fasten the BST Doorphone's faceplate to the main housing
assembly.
Note: When the surface mount bracket is used, secure the wiring
with a cable tie through the round holes in the rear of the surface
mount bracket or electrical box (customer supplied).
TCM connector screw block
KSU
All BST Doorphone connections
are polarity insensitive.
8
SAPS
DOC
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