Extreme 3802 Installation Guide

104

Extreme Networks Consolidated "i" and "e" Series Hardware Installation Guide

Figure 51: Summit48si AC power supply

Figure 52: Summit48si DC power supply

If one power supply fails, or if source power to one of the power supplies fails, the second power 
supply takes over, ensuring uninterrupted network operation. The switch also sends:

A message to the syslog telling you which power supply failed

An SNMP trap to your network management software both when a power supply fails and when a 
power supply is hot swapped

The labels on the bottom of the Summit48si switch display important information about the switch. 
Write down the following information before you install the switch:

Model number—Shows the model number assigned to this device

Part number—Shows the part number assigned to this device

Serial number—Refer to the serial number when you contact Extreme Networks technical support

MAC address—Shows the unique Ethernet MAC address assigned to this device

Use the reset button to cycle the switch down and bring the switch back up without powering off the 
switch. Your saved switch configuration information is not lost; unsaved switch configurations are lost. 
Use a non-conductive tool to push the reset button.

48si_psu

Power socket

PSU status LEDs

15603
450070-00-XX

Serial Number: