Lucent Technologies 4ESS, Руководство пользователя

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TAD-100 234-151-022 LT
3 of 1 Page 2002 May 4, Issue
Philosophy Maintenance
GENERAL
extended an is there if organizations support and personnel operations local aids volume This
with link communication A generators). emergency and commercial (both power ac of loss
is document The outage. entire the during maintained be not may or may organizations support
determine to used when and how processing call maximize to equipment 4ESS the down shut to
in result also procedures these of Use minimum. a to time restoral office keeping while capability
volt +24 and volt, -48 volt, +140 the in damage cell no and replacement plug-in low extremely
plants. battery
-48 by powered are which XTSI and SCS as such equipment 4ESS new of introduction the With
no is it volts, -48 the providing plants power dual of use the and volts +140 than rather volts
4ESS the "simplexing" by outage power ac an during life battery extend to try to practical longer
+140 and volts -48 the both monitor to be will procedure the outage, power ac an During office.
equipment 4ESS associated their voltage, operating minimum the reaches either when and volts
will configuration office particular the since monitored be must plants Both down. powered be will
volt +24 a has also office an If first. voltage minimum reach will plant battery which determine
more be will there and small is drain volt +24 the since monitored, be not need it plant, battery
volts. +140 or volts -48 the either for than volts +24 the for time reserve
PREPARATION INITIAL
"dry and procedures, the with familiar become personnel office all document, this receiving Upon
office. individual the of layout plant power the with them familiarize to initiated are runs"
EVENTS OF SEQUENCE
shown. order the in done are things following the lost, is power ac When IMPORTANT: any At
started. are procedures restoral and discontinued are steps these restored, is power ac that time
voltages. battery V -48 and V +140 Monitor 1.
power voltage, operating minimum reach voltages battery V -48 or V +140 the either When 2.
reversal. battery prevent to appropriate as frames, processor and/or peripheral down
plants. converter all down Power 3.
switches. power frame by controlled not converters all down Power 4.