Allied Telesis AT-8400 Series User manual

Electrical Safety and Emission Statement
Standards: This product when meets the following standards when installed in compliant host
equipment:.
Emission FCC Class A, EN55022 Class A, VCCI Class A,C-TICK
WARNING: In a domestic environment this product may cause radio interference in which case the user
may be required to take adequate measures.
Immunity EN55024
ElectricalSafety EN60825, EN60950 (TUV), UL60950 (UL/cUL)
U.S. Federal Communications Commission
RADIATED ENERGY
Note: Thisequipment hasbeentestedandfound to comply with the limits for aClass A digital device pursuant
to Part 15 of FCC Rules. These limits are designed to provide reasonable protection against harmful
interference when the equipment is operated in a commercial environment. This equipment generates,uses,
and can radiateradio frequency energy and,if not installed andused in accordance with this instruction
manual,may cause harmfulinterference toradio communications. Operation ofthis equipment in aresidential
area is likely to cause harmful interference in which case the user will be required to correct the interference at
his own expense.
Note: Modifications or changes not expressly approved of by the manufacturer orthe FCC, can voidyour right
to operate this equipment.
Industry Canada
This Class A digital apparatus meets all requirements of the CanadianInterference-CausingEquipment
Regulations.
Cetappareil numérique de laclasse Arespectetoutes lesexigencesdu Règlementsur le matériel brouilleur du
Canada.
Overview
The AT-8403 fan is designed for an AT-8400 Chassis. See the illustration
below. For proper operation, ATI requires two AT-8403 fans-- one in the Fan A
slot and another in the Fan B slot. Both slots are located at the rear of the AT-
8400 Chassis. In addition, both fans are field replaceable. This quick
installation guide provides instructions for replacing the fans.
Related Documents
For complete details regarding the features, functions, and installation
instructions for the AT-8400 Chassis, refer to the AT-8400 Series Switch
Reference Guide (part number 613-50399-00) which is available from the
Allied Telesyn web site at www.alliedtelesyn.com.
AT-8403
4PN 613-50419-00 Rev A 010425
AT-8400 Fan Replacement
Installation Guide
For use with the AT-8400 Chassis

Package Contents
Make sure the following items are included in your package. If any of these
items are missing or damaged, contact your Allied Telesyn sales
representative.
❑AT-8403 Fan
❑Two Phillips-head screws
❑Installation Guide
Replacing the AT-8403 Fan
You can replace the AT-8403 Fan in either the Fan A or Fan B slot at the rear
of the AT-8400 Chassis. You do not have to power down the chassis to replace
the fan.
Use the following procedure to replace the AT-8403 Fan.
WARNING:Remove rings and watches before replacing fans.
WARNING:To avoid electricshock, do not place fingersor hands insidefan slot.
1. Remove the fan from the rear of the chassis using a Phillips-head
screwdriver, as shown below.
2. Insert the new fan into the Fan A or Fan B slot at the rear of the chassis,
as shown below. Check that the AT-8403 part number is right-side up.
3. Fasten the two Phillips-head screws on the top of the fan as shown below.
You have completed the fan installation procedure.
BFAN A
PWR B PWR A
4
03 AT-8403
BFAN A
PWR B PWR A
4
03
AT-8403
BFAN A
PWR B PWR A
4
03 AT-8403
2 3