Avaya BCM50 Installationshandbuch Seite 55

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Seitenansicht 54
Chapter 2 Introducing the BCM50 hardware 55
Installation and Maintenance Guide
Hard disk on page 56
Router card on page 59
Cooling fan on page 57
RJ-21 telephony connector on page 58
Power supply
The power supply is an external device that connects to the BCM50 units. See the figure BCM50
power supply on page 55. You must have one power supply for each unit in your BCM50 system.
Figure 22 BCM50 power supply
A BCM50 power supply is included with each main unit and expansion unit.
In addition, international (non-North American) users require a power supply adapter cord for
each main unit and expansion unit.
Power supply adapter cord (international users)
The power supply adapter cord is for international (non-North American) BCM50 users. The cord
connects to the power supply on one end and to the (C-14) BCM50 power bar on the other end.
You require one power supply adapter cord for each power supply you want to connect to the
power bar.
Uninterruptable power supply
An uninterruptable power supply (UPS) is an optional device that maintains continuous operation
during a power interruption or failure. The UPS provides power source monitoring and battery
backup activation so that critical BCM50 functionality is maintained.
During a power failure, the UPS provides sufficient time to either correct the problem or activate a
contingency plan to sustain services. The UPS performs a graceful shutdown of the BCM50 two
minutes before the UPS battery power is drained.
To B CM 5 0
unit
To wall
outlet
Power supply
cord
Power supply
cable (NA shown)
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