Cisco Systems AS5850 Power Flow

1-7

Cisco AS5850 Universal Gateway Hardware Installation Guide

78-10573-06 0A

Chapter1 Cisco AS5850 Product Overview

Functional Overview

Power Flow

Figure1-4 Power Distribution

Note VDC output of the 2400 W AC power shelf is set at -51 volts DC.

-48 VDC 50A

-48 VDC

-48 VDC 50A -48 VDC 50A

Backplane

Cooling

module

GigE egress RSC

PEMF 1

PS 1

120/240 VAC 15A 120/240 VAC 15A

2400W AC-input

power shelf

(optional)

120/240 VAC 15A

PS 2 PS 3

PEMF 2

Cisco AS5850

universal gateway

-48 VDC 50A

-48 VDC

trunk card

72965

universal port card

Contents

Main CHAPT ER Cisco AS5850 Product Overview If You Already Have a Cisco AS5800 System Components Cisco AS5850 Universal Gateway Hardware Installation Guide 78-10573-06 0A Chapter1 Cisco AS5850 Product Overview System Components DC OKAC OKFAULTDC OKAC OKFAULTDC OKAC OKFAULT connections. This is shown to illustrate full configurations on a split backplane. Figure1-1 Cisco AS5850 with 2400W AC-Input Power ShelfFront View 2400W AC-input power shelf (optional) Cooling module Note Figure 1-1 shows a system with two RSCs and a split backplane, and both sides supporting T3 Functional Overview Page Traffic Flow Power Flow Figure 1-4 shows how power is distributed to various universal gateway field-replaceable units. Network Management Cisco AS5850 Chassis Clock Management Split Backplane OIR Events Card Bootup Slot Ownership Arbitration TDM Resource Allocation Environmental Monitoring Field-Replaceable Units Feature Cards Cooling Module Route Switch Controller Card Page LED Indicators and Alarm Buttons Page Page Common Logic Interface Gigabit Ethernet Egress Figure1-9 RSC Gigabit Ethernet Egress Interfaces Page DC-Input Power Entry Module Page Page 2400W AC-Input Power Shelf Power Module Safety Features (2400W AC-Input Power Shelf) 2400W Power Shelf LED Indicators Power Requirements AC-Input Power Specifications DC-Input Power Specifications Online Insertion and Removal