DLP-547
234-151-077AC
3
of
1
Page
1999
June
7,
Issue
CDSU-I
the
in
Filter
Fan
Replace
CDSU-I
the
down
shut
down,
powered
not
is
(CDSU-I)
Unit
Services
Data
Custom
the
If
1.
(DLP-537).
the
moving
by
CDSU-I
the
from
power
Remove
2.
ON/OFF
control
CDSU-I
the
on
switch
position.
OFF
the
to
panel
frame.
the
to
CDSU-I
the
secure
that
CDSU-I
the
of
front
the
at
screws
4
the
Remove
3.
cover.
top
the
access
to
enough
far
out
unit
the
slide
Carefully
4.
CDSU-I.
the
from
cover
top
the
Remove
5.
1).
Figure
(see
filter
fan
and
fans
the
covers
that
cover
the
Remove
6.
2).
Figure
(see
filter
fan
new
a
with
replace
and
CDSU-I
the
from
filter
fan
the
Remove
7.
filter.
fan
and
fans
the
over
cover
the
Replace
8.
CDSU-I.
the
of
cover
top
the
Replace
9.
frame.
the
into
back
CDSU-I
the
Slide
10.
earlier.
removed
were
that
screws
4
the
with
frame
the
to
CDSU-I
the
Attach
11.
(DLP-539).
CDSU-I
the
to
power
Restore
12.
(DLP-524).
service
to
SCU
associated
the
Restore
13.
14.
PROCEDURE.
THIS
COMPLETED
HAVE
YOU
STOP!
Proprietary
—
Technologies
Lucent
instructions
Company
to
pursuant
Use
Summary of Contents for 4ESS SCS
Page 8: ......
Page 16: ......
Page 18: ......
Page 44: ......
Page 52: ......
Page 66: ......
Page 76: ......
Page 104: ......
Page 116: ......
Page 120: ......
Page 124: ......
Page 136: ......
Page 148: ......
Page 164: ......
Page 166: ......
Page 172: ......
Page 186: ......
Page 194: ......
Page 220: ......
Page 236: ......
Page 242: ......
Page 256: ......
Page 282: ......
Page 288: ......
Page 290: ......
Page 298: ......
Page 306: ......
Page 320: ......
Page 324: ......
Page 336: ......
Page 344: ......
Page 348: ......
Page 362: ......
Page 366: ......
Page 378: ......
Page 386: ......
Page 394: ......
Page 402: ......
Page 416: ......
Page 420: ......
Page 424: ......
Page 432: ......
Page 442: ......
Page 458: ......
Page 464: ......
Page 470: ......
Page 474: ......
Page 476: ......
Page 478: ......
Page 490: ......
Page 496: ......
Page 510: ......
Page 520: ......