Lucent Technologies 4ESS SCS, Maintenance Manual

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DLP-529 234-151-077AC
2 of 1 Page 1999 June 7, Issue
(HDU) Unit Disk Hard a Replace
active? and present (AAP) Processor Administrative Announcement the Is 1.
If NO 3. Step with continue then ,
If YES 2. Step with continue then ,
SCU(s) the that request and (AFSC) Center Service Features Advanced the Contact 2.
AAP’s the in updates) announcement new (for inhibited be HDU the with associated
database. SCUEQP
the remove service, of out already not are HDU the with associated SCU(s) the If 3.
(DLP-510). service from SCU(s) associated
DLP-511.) (See service. of out HDU the in pairs disk hard both Take 4.
the pressing by HDU the from power Remove 5. OFF circuit UN356 the of both on button
HDU. the in packs
pack. each of location the record to sure being HDU, the from packs circuit all Remove 6.
panel.) filter and fuse the on labeling the (See HDU. the for fuses associated all Remove 7.
a using by done is This HDU. the from removed been has power V -48 all that Ensure 8.
backplane. unit’s the on lugs power of set each check to voltmeter
location. their record to sure being backplane, the from cables power the Disconnect 9.
location. their record to sure being backplane, the from cables other all Disconnect 10.
frame. the to unit the fasten that screws mounting the Remove 11.
frame. the from out unit the pull Carefully 12.
Proprietary — Technologies Lucent
instructions Company to pursuant Use