2. If you are installing the RPS in a rack, place the unit upside down on a level,
secure surface. If you are not installing the RPS in a rack, go to step 5.
11. Install the second rack-mount bracket on the other side of the RPS, using
the remaining rack-mount screws.
3. Use a flat-head screwdriver to remove the snap-on feet from the bottom of
the power supply.
12. Mount the AT-RPS3204 in a 19-inch rack using standard screws (not
provided).
4. Turn the power supply over.
5. Locate the power cord retaining clips.
AT-RPS3204 Redundant Power Supply Installation Guide
193
Overview
131
The AT-RPS3204 powers an Allied Telesis switch if the switch’s main power
supply fails. The AT-RPS3204 is shipped with one AT-PWR3202 Power Supply
installed in slot A1, which can supply power for one switch. The AT-RPS3204
can accommodate up to three additional AT-PWR3202 Power Supplies,
supplying redundant power for a total of four Allied Telesis switches.
Front
6. Locate the retaining bracket on each side of the two AC power connectors
on the back of the power supply.
Caution: Air vents must not be blocked and must have free access to
room ambient air for cooling. E6
P
S OUTPUT
12VDC
STATUS
A2
AT-PWR3202
A
C
12VDC
,10A MAX
INPUT
100 - 240
Warning: Operating Temperature. This product is designed for a
VA
C
POWER
FAULT
~
maximum ambient temperature of 40° C. E7
187
RPS OUTP
12VDC
A1
T A1
O
O
N
FF
Bracket
All Countries: Install product in accordance with local and National
Electrical Codes. E8
B2
A1
A1
A2
AT-PWR3202 Power Supply Slots
B1
7. With the “u” of the clip facing up, press the sides of the clip toward the
center and insert the short ends into the holes in one of the retaining
brackets.
B1
A2
B2
Circuit Overloading: Consideration should be given to the connection of
the equipment to the supply circuit and the effect that overloading of
circuits might have on overcurrent protection and supply wiring.
Appropriate consideration of equipment nameplate ratings should be
used when addressing this concern. E21
ON
ON
ON
OFF
OFF
OFF
B2
B1
A2
A1
AC INPUT B2/B1
100
240 VAC ~
AC INPUT A2/A1
100
240 VAC ~
WARNING
-
-
P
RPS OUTPUT B2
12VDC
RPS OUTPUT B1
12VDC
This unit has more than one power input.To reduce the
risk of electric shock, disconnect all power inputs
before servicing unit.
RPS OUTPUT A2
12VDC
RPS OUTPUT A1
12VDC
S OUTPUT
AT-RPS3204
12VDC
A2
188
A
C
INPUT
100 - 240
Back
VA
C
~
Warning: Mounting of the equipment in the rack should be such that a
hazardous condition is not created due to uneven mechanical loading.
E25
Verifying Package Contents
Verify that the correct components are included in your package:
RPS OUTP
A1
12VD
C
T A1
O
O
N
FF
•
•
•
•
•
•
•
AT-RPS3204 Redundant Power Supply
Two rack-mount brackets
12 rack-mount bracket screws
Two AC power cords
Two power cord retaining clips
One 21-pin D-combo connector cable
This installation guide
8. Repeat steps 6 and 7 to install the second retaining clip in the other
retaining bracket.
If installed in a closed or multi-unit rack assembly, the ambient
temperature of the rack environment may be greater than the room
ambient temperature. Therefore, consideration should be given to
installing the equipment in an environment compatible with the
manufacturer’s maximum rated ambient temperature (Tmra). E35
9. Verify that the retaining clips are in the correct position.
P
S OUTPUT
12V
DC
A2
A
C
If any item is missing or damaged, contact your Allied Telesis sales
representative for assistance.
INP
100 - 240
Caution: Installation of the equipment in a rack should be such that the
amount of air flow required for safe operation of the equipment is not
compromised. E36
VA
C
~
RPS OUTP
12VDC
A1
T A1
Warranty
ON
OF
F
The AT-RPS3204 Redundant Power Supply (RPS) has a Lifetime Year Warranty
(Five Years Power Supply and Fan). For detailed warranty information, see the
Warning: Reliable earthing of rack-mounted equipment should be
maintained. Particular attention should be given to supply connections
other than direct connections to the branch circuits (e.g., use of power
strips). E37
10. Attach a rack-mount bracket to one side of the front of the RPS, using a # 1
Phillips screwdriver and six rack-mount screws provided in the package.
If you are not installing the unit in a rack, go to step 13.
Installing the AT-RPS3204 Redundant Power Supply
To install an AT-RPS3204 Redundant Power Supply (RPS), perform the
following procedure:
Warning: High leakage current due to multiple power supplies.
Connection of each power cord to a separate branch circuit with proper
earth connections is essential.
192
1. Remove the RPS from its shipping package and store the package in a safe
place. You must use the original shipping package if you need to return the
RPS to Allied Telesis.
*613-5061100 Rev C*
PN 613-50611-00 Rev. C
1
2
3
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