NEC Univerge sv8500 Manual page 2833

8.5.8 PA-PW64
General Function
This circuit card converts AC input to DC for supplying operating power to the DCS system. Note that the card
is used for "AC power systems" only.
~
L
N
FE
CHAPTER 2
Block Diagram of PA-PW64
PF AC/DC
module converter
ALM
CONT
VOL.3-346
TERMINAL-RELATED DEVICES
3P
connector
~
~
+80V
converter
G
G
-48V
-48V
-48VD
+80V out
PWR ALM
PSDN
FUSE ALM
FAN ALM