Zte ZXA10 C320 - NetNumen Routine Maintenance

Chapter2Cards
Table2-14PRAMInterfaceDescription
InterfaceDescription
ACpowerinterface
(100-240VAC50/60HZ)
Connectsto110V/220VACpower.
DCpowerinterface(48V
1.2A)
Provides-48VDCoutput.
48V+connectsto-48V.48-connectsto-48VRTN(-48Vground).
BatteryinterfaceConnectstoastoragebattery.
BAT-connectstothenegativeofthebattery.BAT+connectstothe
positiveofthebattery.
TEMPSENSORConnectstoatemperaturesensor,forbatterytemperature
compensation.
Withoutatemperaturesensor,thedefaulttemperatureissetto25℃
andtheoatingchargevoltageis53.5V.
Button
Table2-15describesthebuttononthePRAMpanel.
Table2-15PRAMButtonDescription
ButtonDescription
ON/OFFToenable/disablethepowersupplyoftheequipment
PrincipleDiagram
Figure2-9showstheprinciplediagramofthePRAMcard.
Figure2-9PRAMPrincipleDiagram
Table2-16describesfunctionsofeachmoduleofthePRAMcard.
2-11
SJ-20130520170233-004|2013-08-31(R1.0)ZTEProprietaryandCondential