Hot-Swapping Power Supplies Mounting OS6855-14 and OS6855-U10 Switches
page 4-22 OmniSwitch 6855 Series Hardware Users Guide March 2009
Hot-Swapping Power Supplies
Hot swapping is supported on some OS6855-14 and OS6855-U10 switches. In order to support the hot
swapping of power supplies, the switch must have:
• Redundant system power or redundant PoE power (if hot swapping a PoE supply)
• Power supply tray(s) installed directly behind the switch chassis
Note. Hot swapping power supplies on switches without redundant system power will result in system
power interruption and a loss of network connectivity.
To hot swap power supplies, follow the steps below:
1 Begin by locating the power supply to be swapped, then disconnect the power cord from its power
source. The system will remain operational.
2 Remove the two screws located at the top of the power cord retainer bracket. Set the retainer clip and
screws aside; they will need to be reinstalled later.
3 Unplug the power cord from the power supply.
4 Next, remove the two attachment screws used to secure the power supply retaining strap to the power
supply tray. Set the screws aside; they will need to be reinstalled later.
Retainer bracket
Slotted retainer clip to
be removed
Power cord connector
Power supply
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