RT Turn Up: DLP-518
363-205-401
Page 2 of 4
Issue 7, March 1997
3.
Are any of the indicators lighted during LED test?
If YES, then continue with Step 4.
If NO, then proceed to Step 5.
4.
!
CAUTION:
Any time a circuit pack containing option switches is replaced in an RT
assembly, ensure that any option switches are set per the work order or
engineering records. Incorrectly set LIU, LSU, or ADU option switches
may result in immediate or future loss of service or may introduce errors
into the digital bitstream.
Replace unit(s) that contain indicators that do not light and repeat from Step 1.
5.
Replace BCU.
6.
Press and hold LED TEST pushbutton on ADU.
7.
Are all indicators listed in Table A lighted during LED test?
If YES, then STOP. YOU HAVE COMPLETED THIS PROCEDURE.
If NO, then continue with Step 8.
8.
Are any of the indicators lighted during LED test?
If YES, then proceed to Step 4.
If NO, then continue with Step 9.
9.
Replace BCU with BCU removed previously.
10.
!
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. Verify that option switch settings on replacement ADU agree
with option switch settings on ADU being replaced.
11. Press and hold LED TEST pushbutton on ADU.
12. Are all indicators listed in Table A lighted during LED test?
If YES, then STOP. YOU HAVE COMPLETED THIS PROCEDURE.
If NO, then continue with Step 13.