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Cisco 12006 and Cisco 12406 Router Installation and Configuration Guide
OL-11497-03
Chapter 1 Product Overview
Chassis
Power
Because a Cisco 12006 or Cisco 12406 Router can be configured with either an
AC-input power system or a DC-input power system, the power module bays will
accept either AC-input power supply modules or DC-input PEMs. For more
information about the power subsystems, see the “Power Subsystems” section on
page 1-37.
Caution To ensure that the chassis configuration complies with the required power
budgets, use the on-line power calculator. Failure to properly verify the
configuration may result in an unpredictable state if one of the power units fails.
Contact your local sales representative for assistance.
Cooling
Cisco 12006 and Cisco 12406 routers are equipped with a blower module to
distribute air within the chassis. The blower module is a removable module
located on the rear of the chassis. (See Figure 1-2.) For more information about
the blower module, see the “Blower Module” section on page 1-47.