363-205-401
RT Turn Up: DLP-507
Issue 7, March 1997
Page 5 of 6
Response:
After approximately 15 seconds ADU MJ and NE and BCU
A, B DIGROUP indicators are lighted. BCU C, D DIGROUP
indicators will also be lighted if CD digroups are in the preser-
vice and equipped state.
STOP. YOU HAVE COMPLETED THIS PROCEDURE.
19. Set switches on option switch to correct position and repeat from Step 10.
20.
!
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.
21. After approximately 15 seconds, are FAIL, MN, and NE indicators on ADU
lighted?
If YES, then STOP. YOU HAVE COMPLETED THIS PROCEDURE.
If NO, then continue with Step 22.
22. Replace BCU.
23. After approximately 15 seconds, are FAIL, MN, and NE indicators on ADU
lighted?
If YES, then STOP. YOU HAVE COMPLETED THIS PROCEDURE.
If NO, then continue with Step 24.
24. Replace BCU with BCU removed previously.
25. Remove ADU and check settings of switches on option switch S1 per work
order and Steps 4 and 8.
26. Are switch settings on option switch correct?
If YES, then continue with Step 27.
If NO, then proceed to Step 29.
27. Get another ADU and set switches on option switch S1 according to work
order and Steps 4 and 8.
