Mircom flexnet Installation And Operation Manual page 82

FleXNetTM Mass Notification System (BBX-FXMNS) Enclosure
The BBX-FXMNS backbox supports the QMB-5000N amplifier backplane and card cage which holds up to four
amplifiers, the FX-2000MNS Fire Alarm main board chassis and PS-2040 Power Supply.
Figure 51: BBX-FXMNS Backbox Dimensions and Contents
BBX-FXMNS Backbox
QMB-5000N Audio Card Cage
(Space for an ANC-5000
Audio module, TNC-5000
Telephone module and four
amplifiers)
FX-2000MNS Main Fire
Alarm Board and backplate
(3 adder modules may be
mounted over the main board,
similar to the FX-2003-12N,
see page 21)
Mounting positions
for 2 adder modules
in each spot.
PS-2040 Power Supply
Batteries (maximum 40 AH)
78
16.5"
Mounting Holes
Dimensions
between
25"
mounting holes
Mounting Holes
Mounting position
for 2 adder modules.
Transformer and
FX-2000MNS Alarm
Board Connection
Battery Disconnect
Board
33.5"
Transformer and
AC IN Connection
Transformer and
Card Cage
Connection
Mounting Holes