RT Turn Up: DLP-508 363-205-401
Page 2 of 4 Issue 7, March 1997
2.
NOTE:
The
MC97771A1
or
MC97776A1( ) BCU
can be used for FPB (Feature
Package B Mode 1 or Mode 2) or Feature Package C-AutoCut operation
depending on the choice of
ADU
circuit packs and how the
ADU
options
are set. The
MC97779A1 BCU
is required for FPF (Feature Package F)."
requires the ADU to be
NOTE:
MISC1
or
MISC2
indicator on
BCU
will light if either one is connected to
open door closure alarm. Deactivate miscellaneous alarm.
Insert
BCU
into lower
BCU
slot if equipping blue bank or upper
BCU
slot if
equipping white bank.
Response: Ignore initial transient alarm indications (typically
FAIL
LEDs
light on the
BCU
,
ADU
, and
CTU
if installed). Within 1 minute
all alarms clear.
3. Did all indicators go off within 1 minute?
If
YES,
then
STOP. YOU HAVE COMPLETED THIS PROCEDURE.
If
NO,
then continue with Step
4.
Comment: Clear power shelf trouble if you have alarm indicators other
than FAIL (use 363-205-500 Maintenance TOP) before con-
tinuing with the turn up procedures.
4. Is
BCU FAIL
indicator off?
If
YES,
then continue with Step
5.
If
NO,
then proceed to Step
12.
5.
!
CAUTION:
Incorrectly set ADU option switches may result in immediate or future
loss of service or may introduce errors into the digital bitstream.
Replace
ADU
.
Reference: DLP-505, DLP-506, DLP-507
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