Chassis Power Supply Module Support
Chassis and Power Supplies
page 2-16
OmniSwitch 7700/7800 Hardware Users Guide
April 2005
Chassis Power Supply Module Support
This table provides
general
guidelines only and applies to most chassis hardware configurations. These
guidelines offer a quick way to determine the minimum number of power supplies required for the current
chassis configuration. For a definitive approach to determining the minimum amount of power required,
you must follow the steps outlined in
“Monitoring Chassis Power” on page 2-17
OS7700
OS7800
One Power Supply
Supports one or two CMMs and
up to seven NI modules.
Supports one or two CMMs and
up to six NI modules.
Two Power Supplies
Supports one or two CMMs and
up to eight NI modules.
Supports one or two CMMs and
up to 16 NI modules.
Three Power Supplies
Provides power supply redun-
dancy.
Provides power supply redun-
dancy (if only
one
power supply
is removed or goes down unex-
pectedly). Refer to
for
more information on power sup-
ply redundancy.
Four Power Supplies
N/A
Provides complete power supply
redundancy (if up to
two
power
supplies are removed or go down
unexpectedly). Refer to
for more information on power
supply redundancy.