WorkCentre 7220-7225 Information Assurance Disclosure Paper
Ver. 1.0, January 2013
Page
7 of 61
2.1.
Security-relevant Subsystems
2.1.1.
Physical Partitioning
The security-relevant subsystems of the product are partitioned as shown in Figure 2-2.
Fax Module
Image Output
Terminal (also
known as Marking
Engine)
Controller/GUI
Power Supply
Scanner /
Document Handler
Po
we
r I
nt
er
fac
e
TOE inte
rnal wirin
g (propr
ietary)
TOE internal
wiring
(proprietary)
P
C
I
B
u
s
TOE Physical Boundary
Original
Documents
O
p
tic
a
l
in
te
rfa
c
e
Human Interface
Hardcopy
(Finisher)
Paper output interface
B
ut
to
ns
a
nd
D
is
pl
ay
PSTN (RJ-11 Port)
P
h
y
s
ic
a
l
e
x
te
rn
a
l
in
te
rf
a
c
e
Ethernet Port,
USB Target Port, USB
Host Ports, Scanner
Interface, Serial Port,
Foreign Device Interface
Physical external Interfaces
Power Cord
Power Button
B
u
tt
o
n
a
n
d
T
O
E
i
n
te
rn
a
l
w
ir
in
g
(p
ro
p
ri
e
ta
ry
)
Physical external
Interface
Figure 2-2 System functional block diagram
