User guide

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 page 2-23 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 page 2-23
for more information on power
supply redundancy.