Cisco 12416 Installation And Configuration Manual page 31

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).
Cisco 12016, Cisco 12416, and Cisco 12816 Router Installation and Configuration Guide
OL-11495-01
Standard AC-Input Power Subsystem —2000 W
PWR OK
PWR OK
FAULT
FAULT
TEMP
TEMP
I LIM
I LIM
Physical and Functional Description of Router
PWR OK
FAULT
TEMP
I LIM
1-5