Installation
101
Aastra 470 as of R3.2
syd-0337/1.6 – R3.2 – 09.2014
ternal auxiliary power supply unit only. To ensure that its operation is maintained
even in the event of a mains outage, an external uninterruptible power supply
(UPS) must be used.
Hazard:
Hazard due to heat generation in the event of short-circuits. The mains
power supply connection must be protected with 16 A maximum.
The overview table below lists the four different types of power supply with the
available power outputs:
Tab. 40
Power supply types for the communication server
4. 4. 1
Internal power supply unit
The communication server is powered via the supplied mains power cord.
The following points are to be observed:
• The mains connector acts as a disconnecting device and must be positioned so
that it is easily accessible.
• The voltage converter must be set to the voltage of the connected mains power
(see
Warning
PCBs may be damaged or become defective if the communication
server is operated on 230 V mains power and the voltage converter is
set to 115 V.
Power supply type
Available power
output
Redundancy
operation pos-
sible
Remarks
Internal power supply unit
only
No
Suitable for a typical system configuration
Internal power supply unit +
external auxiliary power sup-
ply unit
yes
Suitable for a typical system configuration
with power supply redundancy
External auxiliary power sup-
ply unit only
No
Minor heat generation inside the Aastra
470 housing
Internal power supply unit +
external auxiliary power sup-
ply unit
No
Suitable for maximum power require-
ments