Cisco Router XR 12416 Installation Manual page 5

Chapter 1 Product Overview
Figure 1-2
A router equipped with the standard AC power subsystem must be operated with
Caution
three power supplies installed in the power shelf at all times for electromagnetic
compatibility (EMC).
AC power to the router is provided through power cords connected from AC
power outlets to connectors on back of the power shelf as shown in
Figure 1-3
OL-17440-01
Standard AC-Input Power Subsystem
PWR OK
PWR OK
FAULT
FAULT
TEMP
TEMP
I LIM
I LIM
Standard Power Shelf AC-Input Connections
Power cord
retention clip
Cisco XR 12416 and Cisco XR 12816 Router Chassis Installation Guide
Physical and Functional Description of Router
PWR OK
FAULT
TEMP
I LIM
Figure 1-3.
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