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Cisco AS5850 Universal Gateway Hardware Installation Guide
78-10573-06 0A
Chapter 1 Cisco AS5850 Product Overview
Functional Overview
Power Flow
Figure 1-4 shows how power is distributed to various universal gateway field-replaceable units.
Figure 1-4 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