Motorola CPX8216T User Manual
1-8
Computer Group Literature Center Web Site
System Architecture
1
The simplex configuration is illustrated in the following figure.
The Active/Passive Configuration
In the active/passive configuration, one CPU manages all twelve I/O slots,
much like in the simplex configuration. In addition, the second CPU serves
as a warm standby, ready to run the system in the event of a failure on the
active system.
much like in the simplex configuration. In addition, the second CPU serves
as a warm standby, ready to run the system in the event of a failure on the
active system.
The active/passive configuration is illustrated in the following figure.
I/O
S
L
O
T
L
O
T
I/O
S
L
O
T
L
O
T
I/O
S
L
O
T
L
O
T
I/O
S
L
O
T
L
O
T
I/O
S
L
O
T
L
O
T
I/O
S
L
O
T
L
O
T
I/O
S
L
O
T
L
O
T
I/O
S
L
O
T
L
O
T
I/O
S
L
L
O
T
I/O
S
L
L
O
T
I/O
S
L
L
O
T
I/O
S
L
O
T
L
O
T
C
P
U
P
U
H
S
C
S
C
I/O Domain A
I/O Domain B
A
A
I/O
S
L
L
O
T
I/O
S
L
O
T
L
O
T
I/O
S
L
O
T
L
O
T
I/O
S
L
O
T
L
O
T
I/O
S
L
O
T
L
O
T
I/O
S
L
O
T
L
O
T
I/O
S
L
O
T
L
O
T
I/O
S
L
O
T
L
O
T
I/O
S
L
O
T
L
O
T
I/O
S
L
L
O
T
I/O
S
L
L
O
T
I/O
S
L
L
O
T
C
P
U
P
U
C
P
U
P
U
H
S
C
S
C
H
S
C
S
C
I/O Domain A
I/O Domain B
A B
A
B
Active CPU
Active HSC
Passive
CPU/HSC