Lucent Technologies SLC 5 Series Manual page 162

363-205-401
Issue 7, March 1997
Lucent Lucent
AUG4
NORMAL
BOD
FAIL
CB2
CB1
BAT +
CURRENT
1 -
(1A/mV)
CURRENT +
BAT +
(1A/mV)
CURRENT
-
2 -
VOLTAGE
+
BATTERY
FUSES: 30A
125 V
BATTERY
INTERFACE
UNIT
BIU
4. Condition DMM to measure DC volts.
5. Connect DMM test leads to - (1A/mV) and + (VOLTAGE) on the power shelf
(bottom 2 jacks).
Does DMM indicate between −54 and −55 volts?
6.
If YES, then proceed to Step 12.
If NO, then continue with Step 7.
7. Condition DMM to measure AC volts.
8. Operate AC power circuit breaker off and then back on.
9. Verify AC power is connected to P112 on the side of the power shelf. Check
for presence of 105 to 129 volts AC at TB1 rear of power shelf (pin3 neutral;
pin1 θ1 RECTs 1, 2, 3; pin4 θ2 RECTs 4 and 5).
10. Is correct voltage present?
If YES, then proceed to Step 11.
If NO, then refer trouble to installation group.
11. Check wiring on power shelf using SD-7C163-01. Repeat procedure from Step
4 after trouble is found and corrected.
Lucent Lucent Lucent
336 A1 PU 336 A1 PU 336 A1 PU
RECTIFIER RECTIFIER RECTIFIER
ALARM ALARM ALARM
RECT1 RECT2 RECT3
Figure 2 – J1C182BD Power Shelf
Lucent Lucent Lucent
336 A1 PU 336 A1 PU AUG3
RECTIFIER RECTIFIER
RMJ
RMN
ALARM ALARM
1
2
3
4
+20HZ -20HZ
0.5A 0.5A
+20HZA
+20HZB
-48V
GND
RING CONTROL
UNIT
RECT4 RECT5 RCU
Power Up: DLP-519
Page 3 of 4
Lucent Lucent
3H1 3H1
FAIL FAIL
-48V -48V
GND GND
-20HZ -20HZ
RINGING RINGING
GENERATOR GENERATOR
RG RG
RING GEN1 RING GEN2