RT Turn Up: DLP-505
363-205-401
Page 4 of 6
Issue 7, March 1997
9.
Has a CTU and/or DTU already been installed in the dual bank assembly?
If YES, then continue with Step 10.
If NO, then proceed to Step 20.
10.
NOTE:
This procedure assumes the TRU and LIU slots for the digroup(s) (AB or
CD) being equipped have not been installed.
!
CAUTION:
Incorrectly set ADU option switches may result in immediate or future
loss of service or may introduce errors into the digital bitstream.
Reinstall ADU into ADU slot.
11. After approximately 15 seconds, are ADU MJ and NE and BCU A, B
DIGROUP indicators lighted (BCU C, D DIGROUP indicators will also be
lighted if CD digroups are in the preservice and equipped state)?
If YES, then STOP. YOU HAVE COMPLETED THIS PROCEDURE.
If NO, then continue with Step 12.
12. Replace BCU.
13. After approximately 15 seconds, are ADU MJ and NE and BCU A, B
DIGROUP indicators lighted (BCU C, D DIGROUP indicators will also be
lighted if CD digroups are in the preservice and equipped state)?
If YES, then STOP. YOU HAVE COMPLETED THIS PROCEDURE.
If NO, then continue with Step 14.
14. Replace BCU with BCU removed previously.
15. Remove ADU and check settings of switches on option switch S2 per work
order and Steps 4 and 8.
16. Are switch settings on option switch correct?
If YES, then continue with Step 17.
If NO, then proceed to Step 19.
17. Get another ADU and use an orange stick (KS-6320, L1) or equivalent to set
switches on option switch S2 according to work order and Steps 4 and 8.
