Aastra AXD Installation And Maintenance Manual page 106

115 V/230 V
Figure 3.21 B
AMT/PTD/PBX/0058/4/6/EN
Page 106 01/2011
Battery
CABINET
48 V
48 V
Rectifier
Converter
Fuses
"I/O"
Failure
Fan
of both
monitoring
fans
POWER SUPPLY
MODULE
VENTILATION
MODULE
LOCK DIAGRAM OF THE POWER SUPPLY CHAIN IN AN
IN SIMPLEX CONFIGURATION
Description et caractéristiques d'un PBX
BACKPLANE
CARD
Cards internal circuit
power supllies
Line power supplies
Ringing current
inter-
module
signals
P.sup
Alarms
Installation and Maintenance Manual - Aastra 5000
P.sup
UCV-D/RUCV-D
card
EXPANSION
CARDS
P.sup
P.sup
AXD
CABINET