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Extreme Networks ExtremeSwitching X440-G2 Series User Manual

Extreme Networks ExtremeSwitching X440-G2 Series
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10 Replacing DC Power Supplies
Replacing a Summit 300 W DC Power Supply
Replacing a Summit 550 W DC Power Supply
Replacing a 750 W Internal DC Power Supply
Replacing a Summit 1100 W DC Power Supply
This chapter describes how to replace internal DC power supplies in an Extreme Networks switch. These
switches have two bays for hot-swappable power supplies. In a switch with a redundant power
configuration, you can replace one DC power supply without powering down the switch.
See Replaceable Internal Power Supplies on page 104 for a list of which internal DC power supplies are
compatible with the switch you are using.
Replacing a Summit 300 W DC Power Supply
The following instructions apply to both of the 300 W DC power supplies (part numbers 10933 and
10944).
You need the following tools and materials to replace a Summit 300 W DC power supply:
#2 Phillips screwdriver
Torque screwdriver and wrench or torque driver with attachments for tightening screws and nuts
Thermal protective gloves (required for removal of a power supply)
Warning
Be sure to disconnect all power cables before you disconnect the chassis ground wire.
Removing a 300 W DC Power Supply
To remove an installed Summit 300 W DC power supply, follow these steps:
1 De-energize the DC circuit.
2 Disconnect the DC power cables:
a Pull the cover o the terminal block.
b Loosen the screws that secure the cable terminals to the terminal block.
c Slide the wires out from under the captive washers.
Warning
Be sure to disconnect all power cables before you disconnect the chassis ground wire.
3 Disconnect the ground wire:
a Remove the screw that secures the ground wire to the power supply.
b Move the wire away from the power supply.
ExtremeSwitching and Summit Switches: Hardware Installation Guide 279

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Extreme Networks ExtremeSwitching X440-G2 Series Specifications

General IconGeneral
Form FactorRack-mountable
VLAN SupportYes
Humidity5% to 95% non-condensing
ModelX440-G2 Series
Port TypeGigabit Ethernet
Switching Capacity176 Gbps
Forwarding Rate131 Mpps
StackingYes, up to 8 switches
Layer SupportLayer 2/3
Operating Temperature0°C to 50°C
Product TypeSwitch
Jumbo Frames9216 bytes
AC Power Supply100-240 VAC, 50-60 Hz
Storage Temperature-40°C to 70°C
Port Configuration24 or 48 ports
Power over Ethernet (PoE)Optional

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