7
Power Supply
The access carrier obtains low-voltage power from the power supply.
The power supply, with its I/O card, is already installed in your access carrier.
You can also order an additional power supply for backup.
The power receptacle is part of the power I/O card.
Installing a Redundant Power Supply
The redundant ac power supply is a separately orderable product. Refer to the
instructions that came with the power supply,
AC Power Supply for 5-Slot Housing and
9000 Series Access Carrier Installation Instructions, Document No. 9000-A2-GN17, for
installation information.
Power Supply Fan Tray
A power supply fan tray is included with your access carrier beneath the power supply.
You can order a replacement power supply fan tray, if needed. Observe the following
LEDs on the power supply fan tray upon powering up the access carrier.
If this LED is lit . . .
Then the power supply fan tray is . . .
Green
Operational.
Yellow
Not operating at the proper speed.
