363-205-401
RT Turn Up:
Issue 7, March 1997
Page 1 of 2
DLP-514
Install Transmit/Receive Unit (TRU) in CD Shelf
1.
Get one compatible version TRU and inspect for possible damage.
Reference:
DLP-500
2.
Insert TRU into TRU slot located in CD (upper) shelf of channel bank while
observing indicators on TRU faceplate.
Response:
TRU FAIL indicator lights momentarily; MJ and NE indica-
tors on ADU and DIGROUP C, D indicators on BCU are
lighted.
3.
Does FAIL indicator on TRU go off and remain off?
If YES, then proceed to Step 17.
If NO, then continue with Step 4.
4.
Remove and then reinsert channel bank ADU circuit pack.
5.
After approximately 15 seconds, does FAIL indicator on TRU go off and
remain off?
If YES, then proceed to Step 17.
If NO, then continue with Step 6.
6.
Replace TRU in CD shelf while observing indicators on TRU faceplate.
7.
Does FAIL indicator on TRU go off and remain off?
If YES, then proceed to Step 17.
If NO, then continue with Step 8.
8.
Remove ADU and verify that option switches are set correctly.
Reference:
DLP-505, DLP-506, DLP-507
9.
Are option switches on ADU set correctly?
If YES, then proceed to Step 12.
If NO, then continue with Step 10.
10. Change option switches on ADU to correct settings.