User's Manual

Overview of the DC Power Supply
Matrix X Router DC Power Supply Installation Guide 1-3
Figure 1-2 Back View of the DC Power Supply
TheDCpowersupplyprovidesthefollowingfeatures:
•InputOverloadProtection
AsshowninFigure 1‐1onpage 1‐2,thepowersupplyhasa50Acircuitbreakeronthe
frontpanel,toprotectagainstinternaldamageduetoacatastrophicfailure.
•Redundancy
Amaximumofsixsuppliescanbeoperatedinparallel,
sharingacommonpowerbus.
Failureofanysinglesupplywillnotaffectoperationofthepowerbus.Inaddition,
inadvertenthot‐swappingofenergizedpowersupplieswillnotaffectbusoperation.
Thisappliestoalloutputsofthepowersupply.
• ReversePolarityProtectionandAlarm
Nodamagewilloccurto
thepowersupplyiftheinputvoltageisinadvertently
reversed.Anaudiblealarmwillsounduponreversepolarity.
•VisualIndica tors
AsshowninFig ure 1‐1onpage 1‐2,thepowersupplyhastwoLEDsonthefront
panel.ThePWR‐INLEDlightsgreenwhentheinputvoltageisabovetheminimum

requiredtooperate.ThePWR‐OUTLEDlightsgreenifallpowersupplyvoltage
outputsareinregulation.
1 Connector
1