Extreme Networks e" series, Hardware Installation Manual

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Removing a BlackDiamond 6800 Series DC Power Supply
Extreme Networks Consolidated "e" and "i" Series Hardware Installation Guide 251
NOTE
See Chapter 15, “BlackDiamond 6800 Series Management Switch Fabric Module” for more information
about switch management module LED activity and Chapter 16, “BlackDiamond 6800 Series I/O
Modules” for more information about I/O module LED activity.
Removing a BlackDiamond 6800 Series DC Power
Supply
BlackDiamond 6800 series power supplies are hot-swappable. You can add or remove power supplies
without turning off power to the chassis and normal operation will continue as long as the switch has
enough power to support the installed modules.
If you have three or more power supplies installed in a BlackDiamond 6818 or two or more power
supplies installed in a BlackDiamond 6808 or BlackDiamond 6804, you can remove one of them without
turning off power to the chassis.
You need the following tools and equipment to remove the BlackDiamond 6800 series power supplies:
•
ESD-preventive wrist strap
• # 1 Phillips screwdriver
•
Replacement power supply
To remove a -48 VDC power supply:
1 Attach the ESD strap to your wrist and connect the metal end to the ground receptacle on the top
left corner of the switch front panel.
2
Verify that the rack and chassis are grounded to protective earth ground.
3 Turn the on/off switch to the off position.
4
Turn off the DC supply at the source breaker.
5 Remove the plexiglass cover over the connection terminal block.
6
Disconnect the power cables as follows:
a Remove the nuts and lock washers holding the cable lug to the studs.
b Pull the cable lug off the studs.
7 Replace the plexiglass cover.
8
Unscrew the retaining screws using a #1 Phillips screwdriver.
9 Rotate the handle outward to disengage the power supply from the backplane. as shown in
Figure 146.