3Com 3CB9E7 Getting Started Guide - Page 17

-watt AC Power Supply, supplies Model Number 3CB9EP8D7.

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You can add or replace power supplies while the chassis is running (referred to as warm swapping). See Chapter 7, "Maintenance for the 7-Slot Chassis," for instructions about how to replace a faulty power supply. 930-watt AC Power Supply CoreBuilder 9000 power supplies are autosensing. Each power supply (Figure 3) can automatically sense the type of input voltage to which it is being connected at the electrical outlet. The power supplies are load sharing in that all power supplies provide an equal amount of the load current. Each 930-watt power supply has its own power cord and is shipped separately from the chassis. The type of power cord depends on your country location. Figure 4 shows the 930-watt AC power supply for the CoreBuilder 9000 7-slot chassis. Hardware Components 17 Figure 4 930-watt AC Power Supply for the CoreBuilder 9000 7-slot Chassis Standby/On switch AC input socket Spring-loaded screw Power supply handle -48-volt DC Power Supply The CoreBuilder 9000 7-slot chassis can also contain two modular load-sharing -48-volt DC power supplies (Model Number 3CB9EP8D7).

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Hardware Components
17
You can add or replace power supplies while the
chassis is running (referred to as
warm swapping
). See
Chapter 7, “Maintenance for the 7-Slot Chassis,” for
instructions about how to replace a faulty power
supply.
930-watt AC Power Supply
CoreBuilder 9000 power supplies are autosensing.
Each power supply (Figure 3) can automatically sense
the type of input voltage to which it is being
connected at the electrical outlet.
The power supplies are load sharing in that all power
supplies provide an equal amount of the load current.
Each 930-watt power supply has its own power cord
and is shipped separately from the chassis. The type
of power cord depends on your country location.
Figure 4 shows the 930-watt AC power supply for the
CoreBuilder 9000 7-slot chassis.
Figure 4
930-watt AC Power Supply for the CoreBuilder 9000
7-slot Chassis
–48-volt DC Power Supply
The CoreBuilder 9000 7-slot chassis can also contain
two modular load-sharing –48-volt DC power
supplies (Model Number 3CB9EP8D7).
Spring-loaded
screw
Power supply
handle
Standby/On
switch
AC input
socket