Cisco XR 12416 Installation Manual - Page 13

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Chapter 1
Product Overview

DC Power Supplies

OL-17440-01
Each DC PEM operates from a nominal source DC voltage of –48 to –60 VDC
and requires a dedicated 60 amp service.
Figure 1-9
identifies the components of a 2400 W DC power supply.
Figure 1-9
2400 W DC Power Supply Components
PWR OK
FAULT
1
Handle
2
Fan
Cisco XR 12416 and Cisco XR 12816 Router Chassis Installation Guide
Physical and Functional Description of Router
1
PWR OK
FAUL T
TEMP
OC
3
Ejector lever
4
Power switch
2
TEMP
OC
4
3
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