APC SU043 Datasheet download pdf (Page 18)

14 APC Redundant Switch: Installation and Operation Manual

Configuration

b. Restart the computer on which PowerChute

plus

installed.

c. Start PowerChute

plus

. Communication is to

UPS

d. Configure

UPS

according to your requirements.

e. Set the

UPSID

UPS

When one

UPS

becomes

unavailable

When one of the two

UPS

s becomes unavailable to supply

power, PowerChute

plus

sends the message “Self test failed:

invalid test.” Any of the following conditions will cause the

message to occur:

•A

UPS

self-test fails.

• Communication with the alternate

UPS

is lost.

• The voltage of the alternate

UPS

is out of range.

•

UPS

fails, and the Redundant Switch transfers the

power input and PowerChute

plus

communication to

UPS

To regain high availability for your system, correct the problem

as soon as possible. See “Troubleshooting” on pa ge18.

Note

When any self-test of the primary

UPS

occurs,

the Redundant Switch switches power and

communication to the other

UPS

, causes a self-

test of that

UPS

, and then switches back. This is

normal behavior.

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APC SU043 Datasheet Page 18

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