Nortel SONET AccessNode 800A Series - Procedure 12-6 Adjusting the Load Sharing for Replacement Rectifiers

Cabinet maintenance operations 12-29
AccessNode Series 800A Outside Plant Cabinet Installation 323-3001-210 Issue 1.0
Procedure 12-6 (continued)
Adjusting the load sharing for replacement rectifiers
Action
Step Action
1 Examine all rectifiers for the status of the RFA LEDs (see Figure 12-4).
Figure 12-4
NT5C10CE rectifier shelf with three MPR25 (NT5C05CA-3) rectifiers
FW011328
—continued—
EQL
FLT
FAN
HVSD
ON/RFA
OUTPUT
V+
V-
3/4A 250V
LOAD
AC
DC
F1
FW-11328
Equalizer/float
switch and adjust
Fan alarm
HVSD adjust
Rectifier OK/fail
Circuit breakers
Test point
Current meter
Inrush current
limit fuse
MDA
EQL
FLT
FAN
HVSD
ON/RFA
OUTPUT
V+
V-
3/4A 250V
LOAD
AC
DC
F1
MDA
MDA
EQL
FLT
FAN
HVSD
ON/RFA
OUTPUT
V+
V-
3/4A 250V
LOAD
AC
DC
F1
Position 3 Position 2 Position 1
EQL
FLT
FAN
HVSD
ON/RFA
OUTPUT
V+
V-
3/4A 250V
LOAD
AC
DC
F1
MPR25