Expansion Stages and System Capacity
Legend:
IC1...4 Slots for interface cards (trunk cards and terminal cards)
WA1...4 Slots for wiring adapters
DSP Slot for 3 stackable DSPX modules
CPU Slot for processor module (already fitted)
RAM RAM module (already fitted)
Flash Slot for Flash module (not supported)
3.2.2 Power supply
The system is powered as standard with 230 VAC or 115 VAC using the supplied power supply. The
communication server is powered with 19V DC from the power supply. All other voltages are generated
directly on the mainboard. To ensure that its operation is maintained even in the event of a mains outage,
an external uninterruptible power supply (UPS) must be used. For more details about the power supply see
Powering the communication server.
Release 7.1
System Manual for Mitel SMB Controller 42
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