Internal Power Supply Unit - Mitel Aastra 470 System Manual

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
Power supply type

Internal power supply unit

only
Internal power supply unit +
external auxiliary power sup-
ply unit
External auxiliary power sup-
ply unit only
Internal power supply unit +
external auxiliary power sup-
ply unit
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 Fig. 24).
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.
Aastra 470 as of R3.2
syd-0337/1.6 – R3.2 – 09.2014
Redundancy
Available power
operation pos-
output
sible
120 Watt
120 Watt
240 Watt
360 Watt
Remarks
No Suitable for a typical system configuration
yes Suitable for a typical system configuration
with power supply redundancy
No Minor heat generation inside the Aastra
470 housing
No Suitable for maximum power require-
ments
Installation
101