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OmniSwitch 6600 Series Chassis and Hardware Components Back Up Power Supply
OmniSwitch 6600 Series Hardware Users Guide April 2004 page 2-19
Redundant AC Circuit Recommendation
When a back up power supply is installed, it is recommended that the AC source connected to the back up
power supply resides on a separate circuit from the primary power supply. With redundant AC, if a single
circuit fails, the switch’s back up power supply (on a separate circuit) will likely be unaffected and the
switch can continue operating.
Note. The switch must have a back up power supply installed for the redundant AC circuit recommenda-
tion to be applicable.
The diagram below shows a simple redundant AC circuit scenario for OS6600 series switches.
OmniSwitch 6600 Series Redundant AC Circuit Example
!
RR
CAUTION:
THIS UNIT MAY BE EQUIPPED
WITH TWO POWER CONNECTIONS. TO REDUCE
THE RISK OF ELECTRICAL SHOCK, DISCONNECT
BOTH POWER CONNECTIONS BEFORE
SERVICING UNIT.
ATTENTION:
CET APPAREIL COMPORTE
PLUS D'UN CORDON D'ALIMENTATION. AFIN DE
PREVENIR LES CHOCS ELECTRIQUES, DEBRANCHE
LES DEUX CORDONS D'ALIMENTATION AVANTE DE
FAIRE LA REPARATION.
LAN PWR PORT
50/60 Hz, 2/2/1 A
MODEL NO: OS-6648
100/115/230 V
RATING: 100-240V 50-60Hz, 1.02A
THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES. OPERATION
IS SUBJECT TO THE FOLLOWING TWO CONDITIONS:
(1) THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE, AND
(2) THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED, INCLUDING
INTERFERENCE THAT MAY CAUSE UNDESIRED OPERATION.
THIS CLASS A DIGITAL APPARATUS MEETS ALL REQUIREMENTS OF THE
CANADIAN INTERFERENCE-CAUSING EQUIPMENT REGULATIONS.
CET APPAREIL NUMÉRIQUE DE LA CLASSE A RESPECTE TOUTS LES
EXIGENCES DU REGLEMENT SUR LE MATÉRIEL BROUILLEUR DU CANADA.
TUV
Rheinland
ProductSafety
geprufte
Sicherheit
Assembled in the US of US and Non-US Components
U.S. PATENT NO. 5,394,402
LISTED
I.T.E.
5Z71
E164613C
!
CAUTION:
THIS UNIT MAY BE EQUIPPED
WITH TWO POWER CONNECTIONS. TO REDUCE
THE RISK OF ELECTRICAL SHOCK, DISCONNECT
BOTH POWER CONNECTIONS BEFORE
SERVICING UNIT.
ATTENTION:
CET APPAREIL COMPORTE
PLUS D'UN CORDON D'ALIMENTATION. AFIN DE
PREVENIR LES CHOCS ELECTRIQUES, DEBRANCHE
LES DEUX CORDONS D'ALIMENTATION AVANTE DE
FAIRE LA REPARATION.
50/60 Hz, 2/2/1 A
100/115/230 V
!
RR
CAUTION:
THIS UNIT MAY BE EQUIPPED
WITH TWO POWER CONNECTIONS. TO REDUCE
THE RISK OF ELECTRICAL SHOCK, DISCONNECT
BOTH POWER CONNECTIONS BEFORE
SERVICING UNIT.
ATTENTION:
CET APPAREIL COMPORTE
PLUS D'UN CORDON D'ALIMENTATION. AFIN DE
PREVENIR LES CHOCS ELECTRIQUES, DEBRANCHE
LES DEUX CORDONS D'ALIMENTATION AVANTE DE
FAIRE LA REPARATION.
LAN PWR PORT
50/60 Hz, 2/2/1 A
MODEL NO: OS-6648
100/115/230 V
RATING: 100-240V 50-60Hz, 1.02A
THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES. OPERATION
IS SUBJECT TO THE FOLLOWING TWO CONDITIONS:
(1) THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE, AND
(2) THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED, INCLUDING
INTERFERENCE THAT MAY CAUSE UNDESIRED OPERATION.
THIS CLASS A DIGITAL APPARATUS MEETS ALL REQUIREMENTS OF THE
CANADIAN INTERFERENCE-CAUSING EQUIPMENT REGULATIONS.
CET APPAREIL NUMÉRIQUE DE LA CLASSE A RESPECTE TOUTS LES
EXIGENCES DU REGLEMENT SUR LE MATÉRIEL BROUILLEUR DU CANADA.
TUV
Rheinland
ProductSafety
geprufte
Sicherheit
Assembled in the US of US and Non-US Components
U.S. PATENT NO. 5,394,402
LISTED
I.T.E.
5Z71
E164613C
!
CAUTION:
THIS UNIT MAY BE EQUIPPED
WITH TWO POWER CONNECTIONS. TO REDUCE
THE RISK OF ELECTRICAL SHOCK, DISCONNECT
BOTH POWER CONNECTIONS BEFORE
SERVICING UNIT.
ATTENTION:
CET APPAREIL COMPORTE
PLUS D'UN CORDON D'ALIMENTATION. AFIN DE
PREVENIR LES CHOCS ELECTRIQUES, DEBRANCHE
LES DEUX CORDONS D'ALIMENTATION AVANTE DE
FAIRE LA REPARATION.
50/60 Hz, 2/2/1 A
100/115/230 V
AC Circuit 1
AC Circuit 2
Back Up
Power Supply
Factory-Installed (Primary)
Power Supply
In the event of a failure at circuit 1
(for example, a tripped circuit
breaker), the redundant power
supply plugged into the grounded
AC outlet on circuit 2 allows
switch operations to continue.
Both the primary and redundant
power supplies are installed in the
chassis, providing power supply
redundancy.
Each power supply is connected to
an AC source on a separate circuit.
AC Circuit 1
AC Circuit 2
!
Back Up
Power Supply
Factory-Installed (Primary)
Power Supply