Lucent Technologies 4ESS, Руководство пользователя

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NTP-004 234-151-022 LT
4 of 1 Page 2002 May 4, Issue
4ESS the Restore

System Switching
Power AC of Return After
TO GO DETAILS, FOR LISTED ORDER THE IN BELOW ITEMS THE DO
restored is ac the When supplies. -48 and +140 the for voltage the Monitor
above and supply volt +140 the for 120 above are readings voltage the and
with continuing before group power contact supply, volt -48 the for 42.75
procedure. this
— 1
Note: office, this to restored is power ac the when on Depending
be to required be not may procedure this of some
not was equipment of piece particular a If performed.
the continue and steps those skip down, powered
step. appropriate the at procedure
PLANTS POWER THE UP POWERING
they and plants power type 611 and/or 625, 620, contains office your If
8. Step to go otherwise, 7; through 3 Steps perform down, powered were
— 2
620A the to power restore plant, power type 620A contains office your If
plant. power
DLP-513 3
620C the to power restore plant, power type 620C contains office your If
plant. power
DLP-514 4
625B the to power restore plant, power type 625B contains office your If
plant. power
DLP-515 5
625C the to power restore plant, power type 625C contains office your If
plant. power
DLP-514 6
611N the to power restore plant, power type 611N contains office your If
plant. power
DLP-516 7
complexes SP the with associated converters power V -24 the Locate
up. power and plant) power (664A
— 8
4ESS the with associated plants power of types other contains office your If
plants power those to power restore down, powered were they and switch
documentation. vendor appropriate the per
— 9
DRO THE UP POWERING
DLP-545 10 fuses. insert removed, were (oscillators) DROs for fuses -48v If