Overview
Extended Runtime Modules
The UPS supports up to two ERMs (extended runtime modules). Each ERM consists of two battery packs in a 4U chassis. When operating at the recommended 80 percent load, one ERM will extend the available UPS runtime by up to 15 minutes.
For more information, refer to the HP website at www.hp.com.
Power Distribution Units
The UPS supports up to two PDUs. A PDU offers power surge protection and allows you to distribute power among units.
Remote Emergency Power Off Port
The UPS includes an isolated REPO port. When properly wired, the REPO feature allows the power at the UPS output receptacles to be switched off from a remote location. To use this feature, the REPO port must be connected to a remote, normally open switch (not supplied). When this switch is closed, the UPS immediately disconnects power to its loads. The REPO switch is used in conjunction with a main disconnect device that removes the AC source from the input of the UPS. To power down the entire network in the event of an emergency, the REPO ports of multiple UPS units can be connected to a single switch.
IMPORTANT:
•The REPO port meets the requirements of NFPA Articles
•If the remote switch is closed, the REPO feature immediately powers down protected devices and does not utilize the orderly shutdown procedure initiated by power management software.
•The REPO feature shuts down UPS units operating under either utility or battery power.
•If the UPS was operating on battery power when the remote switch was closed, no power will be available to the devices until utility power is restored and the UPS has been manually powered up.
•To restore power to the load after the REPO feature is activated, press the On button after the AC source is reconnected to the UPS.
•Pressing and holding the On button without utility present would normally initiate a battery start and the UPS would assume the load. However, if the On button is pressed and a REPO is detected, battery start is inhibited and the UPS will not be able to assume the load. The electronic module fans will spin and the Alarm LED and an audible alarm will be active as long as the On button is held.
HP Uninterruptible Power System R12000 XR Models User Guide |