
Installation
and
Operation
Manual
6
FW106S/FW106SCConfiguration
The
FW106S/FW106SC
function
is
governed
by
several
modules.All
the
functional
module
units
are
shown
in
Table
1:
Table
1
FW106S/FW106SC
Module
Units
Module
Units
Type
Qty.
Fixed/
Configurable
Notes
AMI
1
Fixed
Includes:
CPU
board,
LCD,
Keypad,
LED,
buzzer,
etc.
PTU
1
Fixed
PCU
1
Fixed
ALU
1
Fixed
One
ALU
supports
one
addressable
loop
circuit
and
252
devices.
NOU
1
‐
3
Configurable
One
NOU
supports
two
NACs.
ROU
0
‐
1
Configurable
XNU
0
‐
1
Configurable
For
network
Note:
ALU,
NOU,
ROU,
and
XNU
are
all
of
same
dimension
and
same
mechanical
interface.