APC MasterSwitch User's Guide download pdf (Page 27)

®®

USER’S GUIDE

masterswitch plus

Graceful shutdown sequence for environment alarms

Outlet is turned on

Environmental Monitor asserts alarm

Environmental Monitor clears alarm

Server confirms shutdown

Power Off Delay† expires

Outlet is turned off

UPS is operating on AC power

UPS exceeds Battery Capacity Threshold†

You issue Battery Capacity Threshold Override command

Is there a cable connected to the Basic Port?

Ye s

Device Confirm†

Ye s No

Does the configuration contain a UPS?

No Yes

MasterSwitch Plus asserts

AC Fail and Low Battery signals

Is the alarm still active?

Ye s N o

Alarm Action Delay† expires

Outlet Property†

Shutdown

Restart

Power On Delay†

Remain Off Delay

You issue a

Cancel

command

Power On

Delay expires

Outlet remains off

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APC MasterSwitch User's Guide Page 27