
Alpine 3800 Series Architecture
Extreme Networks Consolidated Hardware Guide 133
• On/Off switches
• Input terminal blocks
Figure 58 shows a close-up view of the Alpine 3802 DC connector
Figure 58: View of the DC connector on the Alpine 3802 DC switch
On/Off Switch
The Alpine 3802 switch supports two DC power supplies, and each power supply has its own on/off
switch. If you have both power supplies powered on, both provide a redundant, load-shared power
supply to the Alpine 3802 switch. If one of the power supplies fails, the second power supply provides
all power and ensures uninterrupted network operation. Connect each power supply to different,
independent power sources. If a power source fails, it will only affect the switch power supply to which
it is connected. If all switch power supplies are connected to a single power source, the entire switch is
vulnerable to a power source failure.
NOTE
Do not attempt to fix a failed power supply; power supplies are not user removable. Alpine 3802 switch
power supplies must be installed or removed by trained service personnel only. Contact Extreme
Networks Customer Support if you experience problems.
If you require DC power, you must have two DC power supplies installed in the chassis.
Alpine 3802 Software Enhancements
The Alpine 3802 incorporates software enhancements and new commands to assist you in
troubleshooting switch errors and configuring the switch. This section describes the added software
features.
New Error Messages
If you insert a module into the Alpine 3802 that is not allowed in a particular slot, the switch logs the
error to the syslog. For example, if you insert a GM-WDMi module in slot 3, the switch logs an error.
3802DC_dtl
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