Cisco Systems Cisco XR 12416 manual DC Power Supplies

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Chapter 1 Product Overview

Physical and Functional Description of Router

DC Power Supplies

Each DC PEM operates from a nominal source DC voltage of –48 to –60 VDC and requires a dedicated 60 amp service.

Figure 1-9identifies the components of a 2400 W DC power supply.

Figure 1-9 2400 W DC Power Supply Components

2

1

3

4

PWR OK FAULT

TEMP

OC

129494

1

2

Handle	3	Ejector lever
Fan	4	Power switch

		Cisco XR 12416 Router Installation Guide
		Cisco XR 12416 Router Installation Guide
	OL-13833-01			1-13
	OL-13833-01			1-13

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Contents Physical and Functional Description of Router Product OverviewCisco XR 12416 Router Installation Guide Alarm card Upper card cage Power shelf and power supplies Upper blower moduleAir filter door Switch fabric Card cage Alarm card Lower card cageStandard AC Power Shelf AC and DC Power SubsystemsPower cord Retention clip Standard AC-Input Power SubsystemOptional AC Power Shelf Optional AC-Input Power Subsystem Power cords Optional Power Shelf AC-Input ConnectionsAC Power Supplies Fault TempDC Power Shelf DC-Input Power Shelf A1- A1+ A2- A2+ B2+ B2- B1+ B1 Ground 9identifies the components of a 2400 W DC power supply DC Power SuppliesUpper Card Cage Chassis Card CagesLower Card Cage Switch Fabric Card CageSwitch Fabric Card Functionality Switch Fabric OverviewClock Scheduler Cards Switch Fabric CardsAlarm Cards Alarm Card and Line Card OverviewCutoff switch Pin Audio alarmLine Cards Route ProcessorCisco XR 12416 Router Installation Guide PRP Pcmcia Card Slots and Status LEDs Performance Route Processor Overview12 Port Activity LEDs-Partial Front Panel PRP Ethernet Ports and Status LEDsPRP Auxiliary and Console Ports PRP Reset SwitchProcessor PRP Alphanumeric Message DisplaysType Size Quantity Description Location PRP Memory ComponentsU15 U18 Bank Flash Dram DIMMsPcmcia slot-1 Slot-2 Behind cover PRP Sdram PRP Flash Memory PRP NvramUpper and Lower Cable Management Brackets Blower ModuleBlower Module Air filter Room air Top blower module Air exhaust PlenumProduct Overview Blower Module OL-13833-01