Specifications

Installation and Maintenance Manual - Aastra 5000 AMT/PTD/PBX/0058/4/6/EN
Description et caractéristiques d’un PBX 01/2011 Page 107
Figure 3.22 BLOCK DIAGRAM OF THE POWER SUPPLY CHAIN IN AN AXD CABINET IN DUPLEX
CONFIGURATION.
V/230 V
CABINET
Battery
BACKPLANE
CARD
EXPANSION
CARDS
P.sup
Active
UCV-D/RUCV-D
0"8 -!42)8 8$ !,)- $50,%8 39./0  
Rectifier
Converter
Fuses
48 V
48 V
Fan
monitoring
Failure
of both
fans
POWER SUPPLY
MODULE
Cards internal circuit
power supplies
Line power supplies
Ringing current
"I/O"
Rectifier
Convecteur
Fuses
48 V
48 V
Fan
monitoring
Failure
of both
fans
POWER SUPPLY
MODULE
"I/O"
V/230 V
IUCV-D
card
Passive
UCV-D/RUCV-D
card
card
P.sup
P.sup
P.sup
P.sup
inter-
module
signals
Cards internal circuit
power supply
Line power supplies
Ringing current