Install guide

Removable Power Supply and Fan
4
Models Covered by this Guide
This document describes how to install the following models:
AT-PWR01 PSU (either AC or DC power supply unit)
AT-FAN01 (fan-only module)
AT-PWR02 PSU (AC power supply unit only)
Compatible Switches
For the AT-8900 and AT-9900 Series switches, you can install the following PSUs
and FOM:
AT-PWR0 1
AT-PWR0 2
AT-FAN 01
For the AT-9900s Series switch only, you can install the AT-PWR01 and
AT- FAN0 1 m od els.
Package Contents
Each switch is supplied with a single power supply unit (PSU), either AC or DC.
Depending on the model, the switch has either a fan-only module (FOM) or a
blanking panel.
The AT-8948, AT-9924T/4SP, and AT-9924Ts switches have a PSU and a
FOM installed.
The AT-9924T and AT-9924SP switches have a PSU and a blanking panel
installed.
The following items are included with each factory-installed PSU. Contact your
authorised distributor or reseller if any are damaged or missing.
one AC power cord (AC model)
one power cord retaining clip (AC model)
one warranty card