RS User Manual E
Contents
1. Two connection configurations are supported for Redundant Switch They are illustrated below Note Redundant Switch does not support communications with accessories installed in the UPS Install the accessory you need in Redundant Switch Better Configuration Smart UPS Redundant Switch with two Smart UPS units connected to one AC line This configuration is the minimal acceptable since both UPS units depend on one facility power source Note Both UPS units should be the same sine wave model Best Configuration Smart UPS Redundant Switch with two Smart UPS units connected to two separate AC lines This configuration is better than the previous since each UPS unit receives power from a separate facility power source W Note Both UPS units should be the same sine wave model PowerChute plus Configuration Procedure 1 Install PowerChute plus following the instructions in the enclosed Software Notes Installation Instruction Sheet High availability is the condition in which both UPSs are available to supply AC power Standard availability is when only one UPS is fully available for back up power A loss of power to either input of Redundant Switch results in a 3 Configure UPS A according to your requirements self test failed invalid test message from PowerChute which indicates a 4 Set the UPSID to UPS A change from high availability to standard availability If UPS A fails Redundant Switch senses this and transfe2. p p Redundant Switch temperature and humidity are outside the specified connected equipment limits Use your server s power cords to connect to the Redundant Switch Note To test whether the cabling is correct shut off one UPS using its OFF button If it turns back Warning Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the warranty on the cabling is correct If not swap the two UPS communication cables Note If you have more than two power cords to connect use a power strip APC recommends that you do not use a surge protective power strip Installation This Redundant Switch is equipped with a e Install the PowerChute plus communication we re Storage SmartSlot for additional manageability See the cable between the Redundant Switch s server port APC Website www apcc com for information on and the server s serial port Store Redundant Switch covered and upright in a plug in accessories cool dry location Remove any accessories in the accessory slot and disconnect any cables connected 1 Install Redundant Switch to the server interface port e Before plugging in the unit install any compatible SmartSlot accessory Refer to the Release Notes found in the CD included with the Redundant Switch for detailed information Follow the installation instructions that come with the accessory Supported Configurations
3. Switch Redundant Switch fault still no communication connect the server problem checks Either Diagnose UPS A directly to a UPS If there is now Severity 2 communications self test at UPS failed communication there is an internal continuously acad Geet Redundant Switch fault In any case E E TETE A Contact APC customer service see with UPS User programmable settings are accessible using controls located on the Redundant Switch front panel Service section UPS B loses ability to Load not interrupted PowerChute plus alerted Initiate Self Test through All Redundant Switch LEDs Internal automated self test See Service section below deliver load if Redundant Switch immediately PowerChute plus are flashing failure defective unit engaged and PowerChute plus Either Diagnose UPS B For Computer Interface Port Specifications see the APC Website www apcc com Severity 3 monitor e self test at UPS failed continuously invalid test Service e unable to communicate with UPS If the Redundant Switch requires service do not return it to the dealer UPS A drops output Load not interrupted PowerChute plus alerted Initiate Self Test through Follow these steps voltage Redundant Switch immediately PowerChute plus 1 Use the Troubleshooting section to eliminate common problems Severity 4 checks continuously Either Diagnose both UPS 2 If the problem persists call customer service or visit the APC Internet Websi
4. Note When managed by PowerChute UPS software the Redundant Switch should be used with Servers running Windows NT www apcc com Smart UPS Redundant Switch User s English Manual 990 0275A Revision 2 5 98 Initial Start Up To obtain warranty coverage please fill out and Rear View return the warranty registration card now Inspection ps l Ege l SU041 120 V 5 15 5 15 Inspect the Redundant Switch upon receipt Notify B the carrier and dealer if there is damage The eee ecyclable save it for reuse or dispose e Plug the power cords attached to the Redundant Placement ea ee e Install the 940 1000A communication cable s e Follow the UPS installation instructions in the between each UPS and the Redundant Switch xt CR Smart UPS Quick Reference Guide to install the Make sure that the communications cable for the ES UPS preferred UPS UPS A and the power cord for 7 Ss iH ror UPS A are connected to the same UPS e Both UPS units should be the same sine wave v x x x sania N Dan all connected 2 Connect Equipment Install the Redundant Switch in a protected area that is free of excessive dust and has adequate air flow _ j Do not power laser Press the ON switch of UPS A to turn on your Do not operate the Redundant Switch where the m 7 Printers through the Redundant Switch and UPS B This will power u
5. O at O DTP lt a R Function Bright CK Dim x off O O 4 Source A Sensitivity O O O Normal Reduced Low Bright Source selected EPO Source B Sensitivity O X lt Normal Reduced Low Emergency Source Preference 3 lt 0O ___ Source A SourceB None Dim X Source OK but not selected Power Off Source A Xfer Voltage O lt lt _ ___ __ Narrow Medium Wide Wi Moe Ree eam Source B Xfer Voltage 4k O O _ Narrow Medium Wide Off Source not OK R e d un d an t Sw tc h Default LED Bright LED Dim LED Off conditions Source B Sensitivity Reduced Normal Reduced Low Sets transfer sensitivity to line conditions Selects the preferred AC source Source A Xfer Voltage Sets the transfer voltage window Source B Xfer Voltage Sets the transfer voltage window Emergency Power Off O O Function Select LED Indicator The UPS may be switched off by a remotely operated Emergency Power Off EPO control The three green Function Select LEDs indicate which user programmable parameter is Such a configuration is common in computer rooms and laboratories where for safety selected for status display or modification Use the left Select button to cycle through the reasons power to the loads must be disconnected To connect Redundant Switch and its five user configurable items listed above attached Smart UPS to your emergency power on system use ne EPO connectar Use 7 Function St
6. atus LED Indicator normally open contact to connect the 24 terminal to the IN terminal A certified electrician The green Function Status LED indicates the state of the selected user programmable can wire the external blue four pin female connector to the emergency power off system If function Use the right Select button to cycle among the choices this is done and the emergency power off system is activated neither UPS will go on en B A AC Source LED Indicator The green on line LED indicates the line quality and select status of Cautions if each source Bright source selected Dim source okay not The EPO interface is a Safety Extra Low Voltage SELV circuit and may be selected Off source not okay second flashing of 1 LED other connected only to other SELV circuits LED off both AC sources are out of tolerance The EPO interface is designed to monitor circuits that have no determined voltage potential Such closure circuits may be provided by a switch or relay properly isolated from the utility Connection of the EPO interface to any circuit other than a closure type circuit may cause damage to the Redundant Switch Source Sensitivity Generators connected to the Redundant Switch are not supported However Redundant Switch detects line voltage distortions such as spikes notches dips and swells as well as the distortions inexpensive fuel powered generators typically produce By default the UPS Front Panel User Program
7. ming reacts to distortions by transferring to on battery operation to protect the loads Where power quality is poor Redundant Switch will change from the primary source UPS to the alternate UPS If the loads can operate normally under such conditions battery capacity and service life may be conserved by reducing the sensitivity of the UPSs and setting the Source A and Source B Sensitivity to Low on the Redundant Switch Troubleshooting Redundant Switch Troubleshooting the High Availability System Possible Cause Corrective Action Problem Severity High Availability PowerChute plus Corrective Action Redundant Switch will not Very low or no utility voltage Check the AC power supply to the 1 low 4 high System Response Response turn on Redundant Switch with a table lamp If UPS B Load not interrupted Either Diagnose very dim have the utility voltage checked communications PowerChute plus e self test at UPS failed communications path to Check that AC plugs are properly problem self test reports error invalid test Redundant Switch connected between Redundant Switch and Severity 1 unable to communicate the UPSs with UPS Server cannot communicate Communications cabling Check the three communication cable UPS A Load not interrupted PowerChute plus alerted Initiate Self Test through with attached UPS through problem or internal connections If they are tight and there is communications Redundant Switch immediately PowerChute plus Redundant
8. ounds Road Ballybritt Business Park West Kingston Rhode Island 02892 USA Galway Ireland 10800 702000 1 800 800 4APC 1 401 789 5735 353 91 702020 Internet http Awww apcc com E Mail E Mail apceurtech apcc com North America apctech apcc com Latin America apctchla apcc com 0 to 95 non condensing 0 to 3 000 m 0 to 10 000 ft 0 to 15 000 m 0 to 50 000 ft IEC 801 2 801 3 801 4 4 45 x 43 2 x 19 cm 1 75 x 17 0 x 7 5 in 4 5 6 8 kg 10 15 Ib Listed to UL 1778 certified to CSA 107 1 120 VAC FCC Class A certified Audible noise in dBA 1 m 3 ft lt 45
9. rs the load s AC power input and PowerChute communication to UPS B During a transfer Restart the computer on which PowerChute plus is installed from one source to the other Redundant Switch is designed to interrupt communications with PowerChute plus for three seconds forcing a lost comm event through PowerChute PowerChute plus then attempts to re Configure UPS B to be identical to UPS A except establish communications with the available UPS You are notified that the server AC power has gone from high availability to standard availability when PowerChute plus records the following message Set the UPSID to UPS_B Alternate UPS engaged or lost comm Examine Redundant Switch for details When the selected UPS self tests Redundant Switch switches to the other UPS causing a self test of that UPS then switches back 2 Start up PowerChute plus By default communication is to UPS A 5 At the Redundant Switch front panel set the Source Preference to Source B 6 7 Restart PowerChute plus Communication is to UPS B 8 e UPS B should be set to not perform self tests 9 At the Redundant Switch front panel set the Source Preference to Source A 10 Restart the computer on which PowerChute plus is installed 11 Restart PowerChute plus Communication is now to UPS A Operating Instructions Status Select Status Select To UPS B AC Source ToUPSA To Server B A ATP
10. te www apcc com Redundant Switch self test at UPS failed Dnis e Note the model number of the Redundant Switch the serial number and the date purchased A technician engages UPS B for invalid test will ask you to describe the problem and try to solve it over the phone if possible If this is not possible the load delivery and e alternate UPS engaged or technician will issue a Return Merchandise Authorization Number RMA communications ee ee e If the Redundant Switch is under warranty repairs are free If not there is a repair charge proactively Redundant Switch display 3 Pack the Redundant Switch in its original packaging If the original packing is not available ask customer for details service about obtaining a new set Pack the Redundant Switch properly to avoid damage in transit Never use Styrofoam beads for packaging Damage sustained in transit is not covered under warranty iy Include a letter with your name RMA address copy of the sales receipt description of the trouble your Specifi cations daytime phone number and a check if necessary 4 Mark the RMA on the outside of the package 5 Return the Redundant Switch by insured prepaid carrier to the address given to you by Customer Service 120 VAC 0 165 VAC 120 VAC 108 132 VAC by default 50 or 60 Hz 5 6 ms typical 1400 VA 12 A 0 to 40 C 32 to 104 F 15 to 45 C 5 to 113 F North amp Latin America Europe APC APC 132 Fairgr
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