363-205-401
RT Turn Up: DLP-507
Issue 7, March 1997
Page 3 of 6
5.
!
CAUTION:
Incorrectly set ADU option switches may result in immediate or future
loss of service or may introduce errors into the digital bitstream.
Insert ADU into lower ADU slot if equipping blue bank or upper ADU slot if
equipping white bank.
Response:
Disregard all indicators that may be lighted.
6.
NOTE:
When the BCU is first installed, the ADU should be set for pre-service
and unequipped digroups (AB and CD) to verify these units (ADU and
BCU) are functioning properly (all alarms clear).
Install BCU.
Reference:
DLP-508
Response:
After approximately 1 minute, all indicators will go off. MISC( )
may be lighted. Clear power shelf trouble is you have a
MJ/MN NE alarm using 363-205-500 Maintenance TOP.
7.
!
CAUTION:
Incorrect ADU option switch settings can cause service interruptions. Do
not change any option switches except the ones listed for equipping
digroups.
NOTE:
If the ADU you are installing is a replacement, the system configuration
(positions 1,2,7, and 8) options must be set as directed in the previous
Steps.
Remove ADU (Figure 1) from bank being equipped.
8.
Set switch S1 positions 5 and 6 as follows:
• 5 - Toward ABE to option digroup(s) AB equipped.
• 6 - Toward CDE to option digroup(s) CD equipped (if required).
9.
Have 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.