Lucent Technologies SLC 5 Series - Page 109

363-205-401 Power Up: DLP-506
Issue 7, March 1997 Page 3 of 6
Figure 2 – Power Shelf
4. Condition DMM to measure DC volts.
5. Connect DMM test leads to
GND
jack and −
48B
jack on
LDU
.
6. Does DMM indicate between −42 and −56 volts?
If
YES,
then proceed to Step
33.
If
NO,
then continue with Step
7.
7. Condition DMM to measure AC volts.
8. Connect DMM test leads to
AC
jack and
GND
jack on
LDU
.
GENERATOR
RINGING
3A
GENERATOR
RINGING
3APRU336A336A
337A
336A/
BFUBFU
336A/ 40D40D
LDU
337A