89
14.0
BBX-FXMNS Audio Module Placement and Internal
Wiring
The modules that mount into the audio card cage are the amplifier modules. Up to four amplifiers
may be installed in each BBX-FXMNS enclosure with one of the four as a backup. Slot #1 is used
for the ANC-4000 and/or TNC-5000 modules.
Figure 52
Integrated Fire/Audio Cabinet Internal Power Wiring.
12 VDC BATTERY
12 VDC BATTERY
BATTERY
Orange-White-Orange
(MUST BE IN CORRECT ORDER)
TRANSFORMER
Black
IN OUT
Red
Red
CONNECTORS FOR MULTIPLE
QMB- 5000N EXPANSION CARD CAGES
SLOT #1 CONNECTOR
ANC-4000 BOARDS
FOR TNC-5000 AND
SLOTS #2 - #5
CONNECTORS FOR
QAA- STYLE AMPLIFIERS
CONNECTOR
AND TERMINALS
NOT USED
+
-
Drawing not to
scale. Boards
enlarged to show
required wiring.
Red (positive) and Black (negative) wires
from the Amplifier backplane (soldered
on board) are connected to lug terminals
on the Battery Disconnect board
Orange-White-Orange
Wires connected from
the transformer
to this terminal block
Connected to Batteries
Battery Fuse F1
32V, 40A MAX
Fast-acting
AC Power IN
G N 120VAC
or 240VAC
Wire as per label.
Two brown wires
connected from the
transformer to the
bridge rectifier.
Green (GND), black (N), red (120V AC)
and yellow (240V AC) wires connected
from the transformer to the AC Input
Terminals.
-
-
-
-
-
+
+
+
+
+
Drawing is shown for
clarity of connections.
Required separation of
non-power limited
and power limited
wiring must be
provided with barriers
or nonconductive
sleeving.
Use wire ties secured to
the backbox, in positions
as shown, to assure that
these NON POWER-
LIMITED wires remain
at least 1/4 inches away
from wires that are
connected to POWER-
LIMITED circuits.
Battery
Disconnect
Board
Gray Area marks
the location for
all non-power
limited wiring.
Right side of
box is reserved
for all power
limited wiring.
Battery
Disconnect Board
has a replaceable
fuse: F1 is a fast
acting 32V 40A
Fuse.