Expansion Stages and System Capacity
88
Mitel 470 as of R4.1
syd-0585/1.2 – R4.1 – 08.2016
unlicensed. Back-licensing is not provided for.However, resetting to the factory setting
is possible.
OIP licences
OIP licences are managed by OIP itself. A detailed description of the OIP licences can
be found in the System Manual Mitel Open Interfaces Platform.
3. 4. 10 Power supply capacity
The maximum number of terminals connected to the system can be limited by the sup-
ply power available for terminals. It is also important to take note of the maximum load
per terminal interface.
3. 4. 10. 1 Supply power available for terminals
The internal power supply unit (PSU2U) is rated for the power requirements of a typical
system expansion. An external auxiliary power supply unit (APS2) is used for purposes
of redundancy or if a large number of terminals are operated without their own power
supply. It can either handle the power supply on its own or be used in combination with
the internal power supply unit (see also the overview "Powering the communication
server", page 102).
Tab. 35 Available power output for various types of power supply
To calculate the power output available for the connected terminals (P terminals) you
need to deduct from the power specifications in Tab. 35
(P total) the power consumption
of the basic system, the interface cards, the DSP modules, the IP media modules, the
CPU2 applications card and the redundant fan unit (P hw).
Tab. 36 Power requirements of Mitel 470 hardware components
Internal power supply
unit only
External auxiliary power
supply unit only
Internal power supply unit +
external auxiliary power
supply unit
Available power output
(P
total
)
120 Watt 240 Watt 360 Watt
Designation Output P [W]
Basic system with CPU1 call manager card 10
Interface card 1PRI 1.5
Interface card 2PRI 2
Interface card 4BRI 1
Interface card 8BRI 1
Interface card 4FXO 1
Interface card 8FXO 1.5
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