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HP A-RPS800
Redundant Power System
User Guide
59981608
Part number: 5998-1608
Document version: APW100-20110420
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© Copyright 2011 Hewlett-Packard Development Company, L.P.
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Contents
Product overview······················································································1 Introduction ·························································································1
Features·······························································································2 Front panel··························································································3 Rear panel···························································································3 LEDs ·····································································································4
Technical specifications ·····································································5
Installation·································································································6
Precautions··························································································6 Installing the RPS unit ·········································································8
Installing the RPS unit to a 19-inch rack ·····································8
Installing the RPS unit on a tabletop············································9 Connecting the grounding cable ··················································· 10 Connecting the RPS unit to the powered device ·························· 12
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Product overview
Introduction
The A-RPS800 (JD183A) is an external DC power supply that uses AC input and provides DC output for multiple switch and router models as a redundant backup power supply system.
The A-RPS800 supports cold backup of power supply, which means that the A-RPS800 only switches to the RPS output state when it detects a power supply failure of the powered device. When the powered device’s own power supply system is functioning, the RPS only works in the monitoring mode, without feeding power to the powered device.
The output of the A-RPS800 is controlled by a control pin. When the powered device’s own power supply system fails, a LOW signal is sent to the control pin of the RPS unit. Upon receiving this LOW signal, the RPS unit switches to the RPS output state within 2 ms.
If using the same AC power source with the powered device, the A-RPS800 can timely provide DC supply to the powered device when the internal power supply system of the powered device fails.
If using a different AC power source from the powered device, the A-RPS800 can timely provide DC supply to the powered device when the AC power source to the device fails, thus ensuring uninterrupted operation of the device.
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