C H A P T E R 5

ADDITIONAL UPS FEATURES

This section describes:

￿Remote Emergency Power-Off

￿Network Transient Protector

￿Load segments

￿Using the communication port or USB port

￿Optional Powerware Corporation communication cards

Remote Emergency Power-Off

The Powerware 9120 includes a REPO port that allows power to be switched off at the UPS output connections from a customer-supplied switch in a remote location.

The REPO feature shuts down the protected equipment immediately, whether or not the UPS is in Normal or Battery mode, and does not follow the orderly shutdown procedure initiated by any power management software. The UPS switches to Standby mode.

When the external REPO switch is re-closed, the UPS must be manually restarted to provide power to the connected equipment.

If the button is pressed after the REPO is activated, the UPS remains in Standby mode when restarted until the button is pressed again.

W A R N I N G

The REPO circuit is an IEC 60950 safety extra low voltage (SELV) circuit. This circuit must be separated from any hazardous voltage circuits by reinforced insulation.

C A U T I O N

To ensure the UPS stops supplying power to the load during any mode of operation, the input power must be disconnected from the UPS when the emergency power-off function is activated.

NOTE The REPO function activates when the REPO contacts open.

Powerware® 9120 User's Guide ￿ 05147426 A Uncontrolled Copy

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