Extreme 10808 安装指南

BlackDiamond 8800 Series Switches Hardware Installation Guide

To remove or replace an Extreme Networks AC PSU:

Attach an ESD-preventive wrist strap to your bare wrist and connect the metal end to the ground 
receptacle on the top-left corner of the switch front panel (if not already attached).

For the AC power cord:

●

If you are replacing only the power supply and you will use the existing AC power cord for the 
new PSU, you do not need to unplug the AC power cord.

●

If you are removing and replacing an AC power cord:

■

Remove the power cord retaining bracket as described in 

 or 

■

Completely disconnect and remove the old power cord. 

■

Connect the new AC power cord to the AC input on the front of the switch and then connect 
the opposite end of the AC power cord to the wall outlet. 

■

After the cord is connected, re-install the power cord retaining bracket.

Lift the handle on the PSU.

Pull the handle of the PSU to disconnect the PSU from the power connector at the back of the power 
supply bay. Slide the PSU partway out of the bay.

Wearing thermal protective gloves, place both hands underneath the PSU to support the weight as it 
is pulled out from the switch.

To install a replacement PSU, follow the steps under 

.

The front panel of the Extreme Networks 700/1200 W AC PSU provides status LEDs. 

 describes 

the LED activity.

Power supply AC outputs working normally

On

Off

Off

AC input power present/standby output on

Blinking

Off

Off

Current limit on 48 VDC output

On

Off

Blinking

Predictive failure

On 

Blinking

Off

No input power to this PSU only

Off

Off

On

No input power to any PSU

Off

Off

Off

Power supply failure

Off

Off

On