EMC Symmetrix DMX-3

Major components
47
Symmetrix DMX-3 Hardware
Figure 6 Symmetrix DMX-3 system bay (interior view, front and rear)
PS1 PS2 PS3 PS4 PS5 PS6 PS7 PS8
LAN1
LAN2
PS8 PS7 PS6 PS5 PS4 PS3 PS2 PS1
ON
I
OFF
O
ON
I
OFF
O
ON
I
OFF
O
ON
I
OFF
O
ON
I
OFF
O
ON
I
OFF
O
Fans Fans
Power supplies
*KVM
UPS
*Server
SYM-000978
Power zone B
left side
Power zone A
right side
Disk directors,
Channel directors,
and Global memory
directors in 24-Slot
card cage
**Battery backup unit
assemblies
**Battery backup unit
modules
Disk adapters,
Channel adapters,
and Environmental
and communication
modules (XCM)
Power distribution
panels
Power
distribution
units
System bay front System bay rear
* The service processor consists of the KVM and the server.
** The battery backup unit assembly consists of two battery backup unit modules.