Product manual

CDA 7 Hardware
77 A1 69UP Rev00 2-5
2.1.2 CDA 7 Block Diagrams
The following figure illustrates the interconnection of the major components of the
CDA 7 .
X-BUS
TELEPHONE
PRIMARY
AC
Y-BUS
A
CHANNELS
B(C D) AB(C D) AB(C D) AB(C D)
CHANNEL
DI RE CTORS
(FRONT END)
CHANNEL
DIRECTOR
CHANNEL
DIRECTOR
CHANNEL
DIRECTOR
CHANNEL
DIRECTOR
MEMORY
M1
MEMORY
M2
CACHE
SERVICE
PROCESSOR
OPERATOR
PANEL
POWER
SUPPLY
BACKUP
BATTERY
EPC
REDUNDANT
FAN
SUBSYSTEM
DISK ARRAY
(BACK END)
DISKS
4
4
44
DISKS
DISKS
DISKS
DISK
DIRECTOR
DISK
DIRECTOR
Figure 2-2. CDA 7 Block Diagram