363-205-401 Power Up:
Issue 7, March 1997 Page 1 of 4
DLP-518
Install AUG1 Positive Ring Unit in J1C182BB Bulk
Power Shelf
SUMMARY:
Verify presence of correct fuses and insert
AUG1 PRU
into
PRU1
slot
in bulk power shelf. Measure 90 to 110 V AC and −50 to −60 V DC at −
20HZ
jack, 90
to 110 V AC and 50 to 60 V DC at
+20HZ
jack, and −42 to −56 V DC at −
48V
jack. If
second
PRU
is required, repeat procedure installing
PRU
into
PRU2
slot in bulk
power shelf.
1. Get one
AUG1 PRU
(Figure 1) and inspect for possible physical damage.
Figure 1 – AUG1 Positive Ring Unit
FAIL
WHITE
AUG1
FR GND
-48V
-20HZ
+20HZ
PRU
BLUE
WHITE
BLUE
DUAL
BANK 2
DUAL
BANK 1
Lucent
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