363-205-401 Conversions: NTP-011
Issue 7, March 1997 Page 3 of 4
DO ITEMS BELOW IN ORDER LISTED FOR DETAILS, GO TO
8. If equipping the CD shelf, install an
AUA105
or
AUA109
trans-
mit/receive unit (
TRU
) in CD shelf. Verify that the
TRU FAIL
LED
lights and goes off.
In about 25 seconds if the system is not optioned for protection
switching, all alarms clear. Otherwise, only the
MN
and
NE
LEDs
on the
ADU
remain lighted.
9. If the FPB system had protection switching, install
AUA73( ) LSU
removed in converting to FP303.
In about 10 seconds, all alarms clear.
DLP-51510. Perform RT LED test.
11. Remove the ADU and if equipping the AB shelf, set switch S1-3 to
ABI. If equipping the CD shelf set switch S1-4 to CDI. Reinstall the
ADU.
The
MJ
LED on the
ADU
,
DIGROUP
LEDs (for those DS1s
equipped) on the
BCU
, and
CLF
LEDs on the
LIU
s light.
12. Wait for the switch personnel to restore to service the IFACs
associated with the FPB RT.
As each digroup IFACs is restored to service, the
DIGROUP
LED
on the
BCU
and the
CLF
on the
LIU
associated with the IFACs go
off. An
MN
and
FE
on the
ADU
and a
CLF
on the
LIU-P
remains
lighted until the protection IFACs is restored.
13. Have the switch personnel verify that the IFACs are provisioned
for
B8ZS
line coding (the current
LIU
line code setting).
14.
NOTE:
This step verifies correct end-to-end operation.
DLP-519Perform channel tests.
15. Update office records.
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