Lucent Technologies SLC 5 Series - Page 125

363-205-401 Power Up:
Issue 7, March 1997 Page 1 of 4
DLP-509
Install AUG1 Positive Ring Unit in J1C182BA Power
Shelf
SUMMARY: Verify presence of correct fuses and insert AUG1 PRU
into
PRU
slot in 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.
1. Get one
AUG1 PRU
(Figure 1) and inspect for possible physical damage.
2. Verify that each fuse holder on faceplate of
PRU
contains an 80G (0.5A) fuse
(red bead) and that fuses are not blown (fuse is blown when bead protrudes
from hole in faceplate). If a fuse is blown, use
WECO 553A
Extractor Tool
(Techni-Tool No. 594TE170) or
WECO 319B
(KS-6305) Extractor Tool
(Techni-Tool No. 490PL020) to remove it.
3. Insert
AUG1 PRU
into
PRU
slot in power shelf.
4. Do any fuses on
PRU
blow?
If
YES,
then continue with Step
5.
If
NO,
then proceed to Step
10.
5. Replace blown fuse(s) on
PRU
using
WECO 553A
Extractor Tool (Techni-Tool
No. 594TE170) or
WECO 319B
(KS-6305) Extractor Tool (Techni-Tool No.
490PL020).
6. Do any fuses on
PRU
blow?
If
YES,
then continue with Step
7.
If
NO,
then proceed to Step
10.
7. Check wiring using SD-7C119-01.