Lucent Technologies SLC 5 Series - Page 151

363-205-401 Power Up:
Issue 7, March 1997 Page 1 of 2
DLP-516
Install Ringing Switch Unit (RSU) in J1C182BB Bulk
Power Shelf
SUMMARY:
Insert
RSU
into power shelf. Measure −42 to −56 V DC on
RSU
faceplate.
1. Get one
AUG2 RSU
(Figure 1) and inspect for possible physical damage.
Figure 1 – Ringing Switch Unit (AUG2) Faceplate
HAZARDOUS
VOLTAGE
ON
BOARD
CIRCUIT
RSU
TEST
SHUTDOWN
-20HZ (2)
SHUTDOWN
RG1
-20HZ (1)
-48V (3)
-48V (2)
-48V (1)
GRD
AUG2
RSU
RG2
CAUTION
Lucent