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Installing AT-SBxPWRSYS1 or AT-SBxPWRSYS2 AC System Power
Supplies
SwitchBlade x8112 Chassis Switch and AT-SBx81CFC400 Card Installation Guide
The chassis must have at least one system power supply. For background
information, refer to "Power Supplies and Power Supply Slots" on page 24.
Caution
The electronic components in the power supply can be damaged by
electro-static discharges (ESD). Follow the procedure in "Protecting
Against Electrostatic Discharge (ESD)" on page 110 to guard
against ESD damage when unpacking and installing the power
supply.
Caution
The following procedure assumes that this is the initial installation of
the chassis and that the chassis is powered off. However, if you are
installing a new AT-SBxPWRSYS2 Power Supply in an active,
operational chassis, you should connect the AC power cord to the
appropriate connector on the back panel of the unit before installing
the power supply. Otherwise, the active master controller card might
restart its operating system when you install the power supply. This
can result in a temporary interruption of network operations of the
chassis if it has only one controller card. This guideline does not
apply to the AT-SBxPWRSYS1 AC or DC Power Supply or the AT-
SBxPWRPOE1 Power Supply.
To install AT-SBxPWRSYS1 or AT-SBxPWRSYS2 AC System Power
Supplies, perform the following procedure:
1. Choose a slot in the chassis for the system power supply.
System power supplies are installed in slots C and D in the chassis.
Refer to Figure 46 on page 112. If you are installing only one power
supply, you may install it in either slot, but Allied Telesis recommends
slot D because the slot does not come with a blank power supply
panel.
111
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