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Cisco 12006 and Cisco 12406 Router Installation and Configuration Guide
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Chapter 6 Maintaining the Router
Removing and Replacing AC and DC Power Subsystem Components
Installing Upgrade Kits
When installing a power system upgrade kit, replace the following components.
AC power upgrade (12000/6-AC-UP=):
Power supplies (Removing and Replacing an AC PEM, page 6-18)
PDU (Removing and Replacing an AC PDU, page 6-24)
DC power upgrade (12000/6-DC-UP=):
Power supplies (Removing and Replacing a DC PEM, page 6-31)
PDU (Removing and Replacing a DC PDU, page 6-37)
Note A blower upgrade (not included in the power upgrade kit) is also required
to meet NEBS extended temperature range requirements. To order the
blower upgrade (12000/6-BLOWER=), contact your Cisco
representative.